CN108992665B - 基于重组减毒单增李斯特菌的宫颈癌治疗性疫苗 - Google Patents
基于重组减毒单增李斯特菌的宫颈癌治疗性疫苗 Download PDFInfo
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Abstract
本发明涉及一种基于重组减毒单增李斯特菌的宫颈癌治疗性疫苗。本发明以减毒单增李斯特菌(Listeria monocytogenes,在下文中简称Lm)作为载体,利用李斯特菌独特的能在宿主吞噬细胞胞内生长,是天然的T细胞免疫活化佐剂的特性,有效提高在肿瘤微环境中的特异性免疫应答,打破机体的免疫耐受,从而清除机体持续性病毒感染,达到清除病灶,遏制肿瘤发展的良好治疗效果。其优势在于弥补了核酸类及蛋白质多肽类疫苗免疫原性较低的缺点,减毒的李斯特菌保留了原始菌株能在胞内生长,完成抗原递呈的特性的同时又具有更高的安全性。
Description
技术领域
本发明属于生物技术领域,涉及一种基于重组减毒单增李斯特菌的宫颈癌治疗性疫苗。
背景技术
宫颈癌严重威胁着全球女性的健康,是死亡率仅次于乳腺癌的妇科恶性肿瘤。研究表明,HPV是宫颈癌的主要危险因素,有超过90%的宫颈癌患者伴随着高危型HPV的感染,其中以16型和18型为主。宫颈癌90%的癌症类型为宫颈鳞癌,其主要致病型为HPV16型。HPV的主要致癌因子为E6和E7蛋白,E6通过抑制肿瘤抑制因子p53的活性破坏正常的细胞周期调控,促使细胞永生化;E7蛋白通过结合并降解pRb蛋白使其失去抑癌作用。E6、E7自HPV感染早期持续高表达,且仅表达于HPV感染组织中使其成为制备宫颈癌治疗性疫苗的理想靶标。
治疗性疫苗与传统的治疗手段,如外科手术,放化疗相比具有伤害小、毒性低的特点。目前治疗性疫苗的存在形式主要有三种:蛋白质多肽疫苗、病毒(细菌)疫苗以及核酸疫苗。其成功的关键是引起足够的免疫应答,但是目前的核酸类及蛋白质多肽类疫苗免疫原性较低,缺陷明显。
发明内容
有鉴于此,本发明的目的在于提供一种基于重组减毒单增李斯特菌的宫颈癌治疗性疫苗。
为达到上述目的,本发明提供如下技术方案:
基于重组减毒单增李斯特菌的宫颈癌治疗性疫苗,其有效成分为携带HPV16型E6E7融合抗原表位肽基因的重组减毒单增李斯特菌。
优选的,所述减毒单增李斯特菌为单增李斯特菌完整敲除actA和plcB这两个毒力基因而得。
优选的,所述重组减毒单增李斯特菌的制备方法,是以减毒单增李斯特菌为载体,携带HPV16型E6E7融合抗原表位肽基因而得。
进一步优选的,具体步骤如下:
(1)合成HPV16型E6E7融合抗原表位肽基因片段;
(2)构建打靶质粒;
(3)制备感受态细胞LmΔactAplcB-lacZ;
(4)利用步骤(2)制备的打靶质粒对步骤(3)制备的感受态细胞进行电转化;
(5)LmΔactAplcB-lacZ与打靶质粒同源重组杂交培养、筛选验证。
更进一步优选的,步骤(1)的具体方法是:从NCBI上查询HPV 16型E6蛋白和E7蛋白氨基酸序列,再通过软件(如使用CTLPred和NetMHC 4.0软件分析序列中可能的CTL表位;ProPred和NetMHCIIpan 3.1软件分析序列中可能的Th表位),从中筛选出优势T细胞抗原表位依次排列,然后根据李斯特菌偏好密码子表进行密码子优化得到优化后的序列,再在其上游加入HindⅢ酶切位点(AAGCTT),下游加入XhoⅠ酶切位点(CTCGAG),将上述设计好的序列最后通过合成直接获得。其中,密码子优化方法是将氨基酸序列提交到网站(如http://www.jcat.de/),然后选择单增李斯特菌偏好密码子优化选项即可实现;DNA序列的合成方法是:使用ABI 3900-Thermo Fisher Scientific等型号的基因合成仪直接合成DNA序列,共866bp,如SEQ ID NO.1所示。
更进一步优选的,步骤(2)的具体方法是:用限制性内切酶HindⅢ和XhoⅠ双酶切步骤(1)获得的融合抗原表位肽基因片段,同时用相同的限制性内切酶酶切质粒pCW203(专利CN103074361B),经连接、转化等技术将融合抗原表位肽基因片段插入pCW203HindⅢ和XhoⅠ酶切位点,得到中间质粒pCW203-E6E7,如SEQ ID NO.2所示,通过PCR验证、提质粒验证、酶切验证证实中间质粒的成功构建。切下中间质粒pCW203-E6E7的BamH I酶切位点与Xho I酶切位点之间的片段插入重组质粒pCW180的BamH I酶切位点与Xho I酶切位点之间,得到打靶质粒pCW180-E6E7,如SEQ ID NO.3所示;其中,所述重组质粒pCW180的基因序列为序列表中SEQ ID NO.13所示。
更进一步优选的,重组质粒pCW180的制备方法如下:
(2-A)将上游携带SpeⅠ、下游携带NotⅠ的Lm mpl基因(Genbank ID:DQ054595.1)插入质粒pCW154(专利CN103074361B)的SpeⅠ和NotⅠ酶切位点之间,得到第一中间重组质粒pCW160,所述第一中间重组质粒pCW160的基因序列为序列表中SEQ ID NO.4所示;
(2-B)将上游携带XbaⅠ、下游携带NotⅠ的Lm orfBAldh基因(Genbank ID:M82881.1)插入上述步骤(2-A)得到的第一中间重组质粒pCW160的XbaⅠ和NotⅠ酶切位点之间,得到第二中间重组质粒pCW170,所述第二中间重组质粒pCW170的基因序列为序列表中SEQ ID NO.5所示;
(2-C)用NotⅠ酶切质粒pCW154,得到两头为NotⅠ酶切位点的一段基因,插入上述步骤(2-B)得到的第二中间重组质粒pCW170的NotⅠ酶切位点,得到重组质粒pCW180;所述重组质粒pCW180的基因序列为序列表中SEQ ID NO.13所示。
更进一步优选的,步骤(3)的具体方法是:将LmΔactAplcB-lacZ用含0.5mol/L蔗糖的BHI液体培养基进行培养,定期测定A600,当A600=0.4时,加入盘尼西林G,使其终浓度为12.5μg/ml继续培养;当A600=0.7时,离心,洗涤,分装,保存即可。
更进一步优选的,LmΔactAplcB-lacZ的制备方法如下:
(3-A)将上、下游分别带Not I酶切位点的lacZ基因片段(专利CN103074361B)插入第二中间重组质粒pCW170的Not I酶切位点之间,得到一个打靶质粒pCW190,所述质粒pCW190的基因序列为序列表中所示;
(3-B)将步骤(3-A)所得打靶质粒pCW190电转化Lm,然后将转化得到的菌经单、双同源重组杂交培养,即得。
更进一步优选的,步骤(3)的具体方法是:接种LmΔactAplcB-lacZ于15ml含0.5mol/L蔗糖的BHI液体培养基,37℃220rpm培养12~16小时;将上述菌液转移至250ml含0.5mol/L蔗糖的BHI液体培养基,定期测定A600,当A600=0.4时,加入盘尼西林G,使其终浓度为12.5μg/ml继续培养;当A600=0.7时,倒入50mL离心管,4℃10000rpm离心5分钟,弃上清;以0.5mol/L冰冷蔗糖溶液反复洗涤沉淀,每次加入20ml 0.5mol/L蔗糖溶液,4℃10000rpm离心10分钟,弃上清,洗涤3次;每管加0.5mol/L蔗糖的300μl重悬,按50μl/支分装预冷无菌EP管,-80℃保存。
进一步优选的,步骤(4)的具体方法是:取打靶质粒电转至LmΔactA/plcB-lacZ感受态细胞中,电转完成后加入BHI肉汤培养2小时;转化液涂布于红霉素BHI琼脂平板,通过蓝白斑筛选出单个蓝色菌落,纯培养后进行质粒提取和PCR验证。
更进一步优选的,步骤(4)的具体方法是:将制备的感受态细胞从-80℃冰箱中取出置于冰盒中,待其完全融化后,取5μl打靶质粒按1/10的比例用-20℃预冷枪头缓慢加至感受态细胞LmΔactAplcB-lacZ,同时作ddH2O阴性对照;温和混匀后,冰浴5分钟,再全部转入电转杯,冰浴5分钟,于电转仪中进行电转;电转完成后,冰浴5分钟,用37℃预热的枪头加入37℃预热的BHI肉汤750μl,混匀后全部转至EP管,摇床30℃,150rpm培养2小时;用无菌L形玻棒将菌液全量涂布于含红霉素1~5μg/ml、X-gal 20~60μg/ml的BHI琼脂平板(以下简称BHI-Ery-X-gal,BEXI平板),30℃培养48~72小时后,阳性菌为蓝色菌落,于BEXI平板上进行纯培养,30℃培养24小时,进行提质粒及PCR验证。
更进一步优选的,电转条件为:电压=1500V,持续时间=5ms,电转杯内径=1mm。
更进一步优选的,提质粒的具体方法是:按照质粒提取试剂盒说明提取质粒(李斯特菌为革兰阳性菌,SolutionⅠ使用前需加入溶菌酶,溶菌酶终浓度为20mg/L,加入含溶菌酶的SolutionⅠ后重悬细菌,37℃水浴45min),最后以30μl Elution Buffer洗脱后电泳;凝胶成像,观察有无条带以判断重组质粒导入是否成功,质粒大小为9540bp。
更进一步优选的,PCR验证的具体方法是:以煮沸法提取细菌内全部基因为模板,扩增目的条带HPV16E6E7,以SEQ ID NO.7和SEQ ID NO.8所示序列为引物进行PCR扩增;反应循环条件为:94℃3分钟→(94℃1分钟,47℃30秒,72℃1分钟)×30个循环→72℃10分钟→4℃;电泳观察PCR结果,预期结果:HPV16E6E7片段约852bp。
上游引物HPV-f:5’-CATCAAAAACGTACAGCAATG-3’,如SEQ ID NO.7所示;
下游引物HPV-r:5’-TGGTTTTTGAGAACAAATTGG-3’,如SEQ ID NO.8所示;
更进一步优选的,电泳条件为:1%琼脂糖凝胶;90V,上样量:5μl PCR产物。
进一步优选的,步骤(5)的具体方法是:将携带打靶质粒的单增李斯特菌,在42℃和30℃连续传代,利用同源重组杂交原理和基因打靶技术,将打靶质粒携带的目的片段整合至李斯特菌中,利用蓝白斑及红霉素敏感性筛选出可疑菌株;然后进行PCR筛选和基因测序验证。
更进一步优选的,传代培养的具体方法是:将已电转入打靶质粒的LmΔactAplcB-lacZ划线接种BEXI平板,42℃传代培养,挑取单个蓝色菌落接种BHI肉汤,30℃传代培养,待传到肉汤第3代开始,每代取培养物加入BHI稀释,分别涂布稀释菌液100μl于BEXI和BXI(含X-gal 20~60μg/ml的BHI琼脂平板)平板,30℃培养24小时。
更进一步优选的,传代培养的具体方法是:将已电转入打靶质粒的LmΔactAplcB-lacZ划线接种BEXI平板,42℃传代培养2~3代(每代培养时间为48小时),挑取单个蓝色菌落接种5ml BHI肉汤,30℃,200rpm传代培养6代(每代培养时间为24小时);待传到肉汤第3代开始,每代取40μl培养物加入360μl BHI肉汤(1:10稀释),多次连续1:10稀释直到稀释106倍,分别涂布106倍稀释的菌液100μl于BEXI和BXI平板,30℃培养24小时;阳性菌落LmΔactAplcB-HPV在BXI平板上长成白色菌落,在BEXI平板上不生长。
更进一步优选的,PCR筛选的具体方法是:对蓝白斑及红霉素筛选结果正确的上述可疑重组菌进行以下三组基因片段的扩增:抗红霉素基因、靶抗原基因HPV16E6E7以及actA基因,鉴定相应疫苗菌株。
更进一步优选的,PCR筛选的具体方法是:用细菌基因组提取试剂盒提取LmΔactAplcB-HPV的基因组DNA作为模板,进行以下三组基因片段的扩增:抗红霉素基因、靶抗原基因HPV16E6E7以及actA基因,根据扩增结果对重组菌Lm-ΔactA/plcB-E6E7进行鉴定。
更进一步优选的,抗红霉素基因Ery以SEQ ID NO.9和SEQ ID NO.10所示序列为引物进行PCR扩增;反应循环条件为:94℃3分钟→(94℃1分钟,60℃30s,72℃2分钟)×30个循环→72℃10分钟→4℃;电泳观察PCR结果,预期结果:Ery基因片段约1471bp。
上游引物Ery-f:5’-GATAAGTCGACGATTCACAAAAAATAG-3’,如SEQ ID NO.9所示;
下游引物Ery-r:5’-AAAACTAGTCCCGGG GCGAATTG-3’,如SEQ ID NO.10所示。
更进一步优选的,Lm actA基因以SEQ ID NO.11和SEQ ID NO.12所示序列为引物进行PCR扩增;反应循环条件为:94℃3分钟→(94℃1分钟,50℃30s,72℃1分钟)×30个循环→72℃10分钟→4℃;电泳观察PCR结果,预期结果:Lm actA基因片段约950bp。
上游引物Lm-actA-f:5’-GCTATAAATGAAGAGGCTTCAGG-3’,如SEQ ID NO.11所示;
下游引物Lm-actA-r:5’-CTCTTAAATCAGCTAGGCGATC-3’,如SEQ ID NO.12所示.
更进一步优选的,基因测序验证的具体方法是:经PCR鉴定正确的相应疫苗菌株,以基因组DNA作为模板,PCR扩增靶抗原基因HPV E6E7,对扩增产物测序验证,对测序正确的菌株进行菌种保存。
本发明的有益效果在于:
本发明所制备的宫颈癌治疗性疫苗携带HPV16型E6E7融合抗原肽表位基因,以减毒单增李斯特菌(Listeria monocytogenes,在下文中简称Lm)作为载体,利用李斯特菌独特的能在宿主吞噬细胞胞内生长,是天然的T细胞免疫活化佐剂的特性,有效提高在肿瘤微环境中的特异性免疫应答,打破机体的免疫耐受,从而清除机体持续性病毒感染,达到清除病灶,遏制肿瘤发展的良好治疗效果。其优势在于弥补了核酸类及蛋白质多肽类疫苗免疫原性较低的缺点,减毒的李斯特菌保留了原始菌株能在胞内生长,完成抗原递呈的特性的同时又具有更高的安全性。
本发明的来源菌是LmΔactAplcB-lacZ,最后导致的减毒是actA和plcB这两个基因的全部基因的缺失减毒,缺失的基因与细菌在胞间的转移和细菌逃离次级溶酶体有关,缺失后细菌毒力减低,与仅缺失溶血素部分基因的减毒方式相比,具有更好的安全性,同时本发明缺失的基因不影响细菌在吞噬细胞内的抗原递呈作用。本发明插入的HPV基因除E7蛋白编码基因外,还加入了E6蛋白编码基因,并且挑选出E6和E7蛋白编码基因中的抗原表位肽基因融合而成,且经过了李斯特菌密码子优化,具有独特性。本发明插入的HPV融合抗原基因可以提高疫苗菌对肿瘤细胞的识别,攻击更多的肿瘤细胞,达到更好的治疗效果。本发明对阳性菌的筛选是通过温度、红霉素和蓝白斑筛选。本发明的蓝白斑筛选通过肉眼识别,简单易行,筛选成功率高。HPV基因插入位点是在mpl基因下游,该位点不影响细菌其他重要蛋白的表达,尽量保留了原菌株的生物活性。
具体如下:
1)针对性:诱导特异性针对宫颈癌细胞的细胞因子,靶向治疗癌组织,不损伤正常细胞。
2)高效:疫苗菌株免疫活性高,诱导高效的细胞因子表达。李斯特菌株本身具有高效活化机体细胞免疫功能的作用,因此携带抗原的重组菌株能激活多种抗肿瘤免疫机制,激活特异的肿瘤杀伤性T细胞,打破免疫抑制重新激活有效的肿瘤杀伤机制。
3)安全:减毒菌株不会在体内长期存在,不会引起感染,在我们的临床前试验中表现了很好的耐受性,并经其他类似临床试验证实了其安全性,且能跟其他肿瘤治疗手段很好的兼容,如鸡尾酒式免疫抑制剂、外科手术、放疗和化疗。
4)稳定:本发明制备的疫苗菌株携带的抗原基因是整合到菌株基因组中的,抗原基因在菌株内稳定存在,不会丢失。
5)低成本:疫苗的生产成本低、快速、经济,使用标准的细菌发酵技术就可完成疫苗的大规模生产,无需细胞培养、冷链运输和储藏。
附图说明
为了使本发明的目的、技术方案和有益效果更加清楚,本发明提供如下附图进行说明:
图1为Lm打靶重组质粒结构图谱。为Lm打靶质粒的一种结构图谱,含有两段Lm同源基因(Lm mpl和Lm orfBAldh)、氨苄青霉素抗性基因(Amp)、红霉素抗性基因(Ery)、基因序列盒(gene cassette):包含启动子phly、HA epitope基因、VSV-G epitope基因、GP33epitope基因、GP61epitope基因、融合蛋白HPV16E6E7基因。
图2为打靶质粒电转化LmΔactAplcB-lacZ后的PCR鉴定电泳结果图。1为电转后从细菌中扩增出的目的片段HPV16E6E7,M为DNA ladder。
图3为打靶质粒电转化LmΔactAplcB-lacZ后提质粒鉴定电泳结果图。1为从电转后细菌中提取的质粒,M为DNA ladder。
图4为重组细菌PCR鉴定电泳结果图。为LmΔactAplcB-E6E7的PCR鉴定电泳结果图,图中,+为阳性对照,-为阴性对照,M为DL2000DNA marker。A:1为以LmΔactAplcB-E6E7基因组为模板扩增HPV16E6E7融合抗原基因;B:1为以LmΔactAplcB-E6E7基因组为模板扩增抗红霉素基因;C:1为以LmΔactAplcB-E6E7基因组为模板扩增actA基因。PCR扩增结果符合预期,表明LmΔactAplcB-E6E7重组疫苗株构建成功,打靶质粒中HPV E6E7基因片段已定点整合至细菌的基因组内。
图5为重组菌LmΔactAplcB-E6E7的基因组中插入的外源基因及前后基因结构示意图。由此图可知外源基因的插入位点,重组后的细菌基因组敲掉了actA和plcB基因。插入的外源基因在自带的启动子phly的作用下表达融合蛋白,融合蛋白具有分泌信号肽、GP33和GP61抗原表位肽标签、HA和VSV-G western blot检测标签。
图6为C57BL/6小鼠接种重组菌株后的生存曲线。为C57BL/6小鼠分别尾静脉接种不同剂量的LmΔactAplcB-E6E7,即2.7×107CFU/只、2.4×108CFU/只和2.6×109CFU/只3个接种剂量,连续10d观察小数的生存情况。计算各组生存率,根据改良寇氏法计算得LmΔactAplcB-E6E7的LD50为1.3×108CFU/只。
图7为宫颈癌模型C57BL/6小鼠经尾静脉注射重组单增李斯特菌(LmΔactAplcB-E6E7)免疫治疗后不同时间点的肿瘤体积。C57BL/6小鼠第0天右侧腹皮下接种TC-1细胞1×105个/只造模,对造模小鼠于TC-1细胞接种后第7天、第14天以及第21天进行三次免疫治疗,记录各组小鼠的肿瘤体积。图中a为模型小鼠自TC-1细胞接种后第7天各组肿瘤体积;b为各组模型小鼠免疫治疗后不同时间点的肿瘤体积。其中A为生理盐水对照组,B为Lm载体菌(LmΔactAplcB-lacZ)对照组,C为疫苗治疗组。第一次免疫治疗时(第7天)各组小鼠肿瘤体积均无统计学差异。经第二次(第14天)及第三次肿瘤治疗(第21天)后观察至第42天(当小鼠肿瘤长径为20mm时处死小鼠),生理盐水对照组和载体菌对照组均无小鼠存活,治疗组存活小鼠肿瘤大小得到有效控制,其中有两只小鼠完全治愈。
图8为宫颈癌模型小鼠经尾静脉注射免疫治疗后各组的生存情况。对宫颈癌模型小鼠在TC-1细胞接种后第7天、第14天以及第21天进行三次免疫治疗后各组小鼠的生存情况,其中A为生理盐水对照组,B为Lm载体菌对照组,C为疫苗治疗组。治疗组与各组进行生存分析,生理盐水与治疗组相比(P<0.001),载体对照组与治疗组相比(P<0.001),治疗组明显延长了宫颈癌模型小鼠的生存时间。
图9为宫颈癌模型35d小鼠肿瘤照片。A为生理盐水对照组;B为Lm载体菌对照组;C为疫苗治疗组。
具体实施方式
下面将结合附图,对本发明的优选实施例进行详细的描述。
实施例1.疫苗菌LmΔactAplcB-HPV的制备
(1)HPV16E6E7基因片段合成
从NCBI上查询HPV 16型E6蛋白和E7蛋白基因,利用网上在线软件分析预测其优势T细胞抗原表位,选择并组合成融合抗原表位肽基因,然后根据李斯特菌密码子进行相应优化,并在上游加入HindⅢ酶切位点,下游加入XhoⅠ酶切位点,最后通过合成直接获得DNA序列(以公司提供克隆质粒pUC57-E6E7的形式获得),片段长度为866bp(如SEQ ID NO.1所示)。
(2)构建打靶质粒
①中间质粒pCW203-E6E7的构建
按照质粒说明书提取质粒pUC57-E6E7和pCW203,以30μL Elution Buffer洗脱。
pUC57-E6E7和pCW203用HindⅢ和XhoⅠ双酶切,酶切体系20μL:pUC57-E6E7或pCW203<1ng,HindⅢ1μL,XhoⅠ1μL,10×NEB Buffer 2μL,ddH2O将体系补足20μL。37℃水浴1h酶切质粒,载体片段需加0.5μL CIAP,37℃水浴30min去磷酸化。将酶切混合物与6×Loading Buffer混合,电泳(1%琼脂糖,94V)并胶回收相应长度的片段(pUC57-E6E7回收酶切后的小片段即融合抗原表位肽基因片段,长度为866bp;pCW203回收酶切后的大片段即载体片段,长度约>10Kb)),以30μL Elution Buffer洗脱。
分别取融合表位肽抗原基因片段与载体片段按照连接体系:载体50ng,插入片段摩尔数:载体片段摩尔数=5:1,T4Ligase 1μL,10×Ligase Buffer 5μL,ddH2O将体系补足10μl,22℃连接1h。将连接产物按体积1:10与大肠杆菌DH5α的感受态细胞轻柔混匀,冰浴30min,42℃热击45s,冰浴3min,加入预热的SOB肉汤500μL,混匀后于37℃,180rpm培养1h,涂布于LA平板(LB-Amp平板:含100μg/mL Amp的LB平板),37℃培养16-20h。
PCR筛选:以煮沸法提取的细菌基因为模板,扩增目的条带HPV16E6E7,引物HPV-f/r(f:5’-CATCAAAAACGTACAGCAATG-3’,r:5’-TGGTTTTTGAGAACAAATTGG-3’),反应循环条件为:94℃3min→(94℃1min,47℃30s,72℃1min)×30个循环→72℃10min→4℃;电泳观察PCR结果(电泳条件:1%琼脂糖凝胶;90V,上样量:5μl PCR产物),预期结果:HPV16E6E7片段约852bp。
酶切验证:PCR筛选验证的阳性菌提取质粒,按照上述酶切体系以HindⅢ和XhoⅠ进行酶切,将酶切混合物与6×Loading Buffer混合进行电泳(1%琼脂糖,94V)。
测序验证:提取PCR及酶切验证符合预期的质粒送测序公司测序。将测序验证后完全正确的携带阳性质粒的大肠杆菌保存于-80℃。
②打靶质粒的构建
提取质粒pCW180,以30μL Elution Buffer洗脱。将质粒pCW180及中间质粒pCW203-E6E7分别用限制性内切酶BamHⅠ和XhoⅠ按照(2)①的体系混匀(将HindⅢ酶替换为BamHⅠ酶),进行酶切和去磷酸化,电泳后胶回收pCW203-E6E7酶切后的小片段即插入片段(931bp)及pCW180载体骨架(酶切后长片段,长度约8621bp)。按照(2)①的体系混匀进行连接并转化入大肠杆菌DH5α,涂布于LA平板,对长出的单个菌落进行PCR筛选、BamHⅠ和XhoⅠ双酶切验证以及测序验证,具体操作同实施例(2)①(将HindⅢ酶替换为BamHⅠ酶)。将测序验证后携带阳性质粒的大肠杆菌保存于-80℃。打靶质粒的结构图谱见图1。
(3)电转化用LmΔactAplcB-lacZ感受态细胞的制备
接种LmΔactAplcB-lacZ于15ml含0.5mol/L蔗糖的BHI液体培养基,37℃220rpm培养12~16h。将上述菌液转移至250ml含0.5mol/L蔗糖的BHI液体培养基,定期测定A600,当A600=0.4时,加入盘尼西林G,使其终浓度为12.5μg/ml继续培养。当A600=0.7时,倒入50mL离心管,4℃10000rpm离心5min,弃上清。以0.5mol/L冰冷蔗糖溶液反复洗涤沉淀,每次加入20ml 0.5mol/L蔗糖溶液,4℃10000rpm离心10min,弃上清,洗涤3次。每管加0.5mol/L蔗糖的300μl重悬,按50μl/支分装预冷无菌EP管,-80℃保存。
(4)打靶质粒电转化LmΔactAplcB-lacZ
将制备的感受态细胞从-80℃冰箱中取出置于冰盒中,待其完全融化后,取5μl打靶质粒按1/10的比例用-20℃预冷枪头缓慢加至感受态细胞LmΔactAplcB-lacZ,同时作ddH2O阴性对照。温和混匀后,冰浴5min,再全部转入电转杯,冰浴5min,于电转仪中进行电转(电转条件:电压=1500V,持续时间=5ms,电转杯内径=1mm)。电转完成后,冰浴5min,用37℃预热的枪头加入37℃预热的BHI肉汤750μl,混匀后全部转至EP管,摇床30℃,150rpm培养2h。用无菌L形玻棒将菌液全量涂布于含红霉素1~5μg/ml、X-gal 20~60μg/ml的BHI琼脂平板(以下简称BHI-Ery-X-gal,BEXI平板),30℃培养48~72h后,阳性菌为蓝色菌落,于BEXI平板上进行纯培养,30℃培养24h,进行PCR验证及提质粒验证,如图2和图3。
PCR验证:以煮沸法提取细菌全部基因为模板,扩增目的条带E6E7,引物HPV-f/r(f:5’-CATCAAAAACGTACAGCAATG-3’,r:5’-TGGTTTTTGAGAACAAATTGG-3’),反应循环条件为:94℃3min→(94℃1min,47℃30s,72℃1min)×30个循环→72℃10min→4℃;电泳观察PCR结果(电泳条件:1%琼脂糖凝胶;90V,上样量:5μl PCR产物),预期结果:HPV16E6E7片段约852bp。如图2所示,提示打靶质粒已转入细菌。
按照质粒提取试剂盒说明提取质粒(李斯特菌为革兰阳性菌,SolutionⅠ使用前需加入溶菌酶,溶菌酶终浓度为20mg/L,加入含溶菌酶的SolutionⅠ后重悬细菌,37℃水浴45min),最后以30μl Elution Buffer洗脱后电泳。凝胶成像,观察有无条带以判断重组质粒导入是否成功,质粒大小为9540bp。如图3所示,表明质粒提取成功,长度符合预期,提示打靶质粒已成功转入LmΔactAplcB-lacZ。
(5)LmΔactAplcB-lacZ与打靶质粒同源重组及筛选
①LmΔactAplcB-lacZ与打靶质粒同源重组杂交培养
将已电转入打靶质粒的LmΔactAplcB-lacZ划线接种BEXI板,42℃传代培养2-3代(每代培养时间为48小时),挑取单个蓝色菌落接种5ml BHI肉汤,30℃,200rpm传代培养6代(每代培养时间为24小时)。待传到肉汤第3代开始,每代取40μl培养物加入360μl BHI作1:10稀释,连续稀释106倍,分别涂布106倍稀释的菌液100μl于BEXI和BXI(含X-gal20~60μg/ml的BHI琼脂平板)平板,30℃培养24h。阳性菌落LmΔactAplcB-E6E7在BXI平板上长成白色菌落,在BEXI平板上不生长。
②PCR鉴定LmΔactAplcB-E6E7
细菌基因组提取试剂盒提取LmΔactAplcB-E6E7的基因组DNA作为模板,进行以下三组基因片段的扩增:抗红霉素基因、靶抗原基因盒以及actA基因,根据扩增结果对重组菌LmΔactAplcB-E6E7进行鉴定。结果如图4所示,从左到右依次为A、B、C,其中,A中的1为以LmΔactAplcB-E6E7基因组DNA为模板扩增融合表位肽抗原基因E6E7,其引物及反应条件见(2)①,B中的1为扩增目的条带抗红霉素基因Ery,约1471bp,引物Ery-f/r(f:5’-GATAAGTCGACGATTCACAAAAAATAG-3’,r:5’-AAAACTAGTCCCGGGGCGAATTG-3’),反应循环条件为:94℃3min→(94℃1min,60℃30s,72℃2min)×30个循环→72℃10min→4℃;C中的1为扩增Lm actA基因,约950bp,引物Lm-actA-f/r(f:5’-GCTATAAATGAAGAGGCTTCAGG-3’,r:5’-CTCTTAAATCAGCTAGGCGATC-3’),反应循环条件为:94℃3min→(94℃1min,50℃30s,72℃1min)×30个循环→72℃10min→4℃。经PCR鉴定,LmΔactA/plcB-E6E7携带有E6E7融合抗原表位肽基因,不携带抗红霉素基因,且actA基因被剔除。鉴定结果与预期吻合,表明LmΔactAplcB-E6E7构建成功。
③基因测序验证
PCR鉴定后以细菌基因组DNA作为模板,PCR扩增靶抗原基因HPV16E6E7,对扩增产物测序验证,对测序正确的菌株进行菌种保存。最终得到的重组菌基因组插入的外源基因及插入位点前后的基因结构示意图如图5所示。
(6)LmΔactAplcB-E6E7疫苗候选株LD50的测定
将-20℃保存的LmΔactAplcB-E6E7菌株置37℃水浴融化后,分别取10μl接种于5ml BHI肉汤中,37℃200rpm培养过夜。第二日,取复苏一次的菌液40μl于20ml BHI肉汤中,37℃200rpm培养过夜二次复苏。
取17.5ml二次复苏的各菌液接种350ml BHI肉汤,于37℃200rpm摇床培养,培养至A600值为0.3~0.7之间时,根据李斯特菌生长曲线,确定此时A600值所对应的菌量,并根据预计的细菌接种剂量进行浓缩或是稀释处理:取一定量菌液离心,13000rpm 2min,用生理盐水重悬后,再次离心,再用生理盐水将菌液重悬至染菌剂量,并置于冰上备用。
6~8周龄C57BL/6雌鼠适应性喂养3d后,随机分为3组,每组7只,尾静脉分别接种2.7×107CFU/只、2.4×108CFU/只和2.6×109CFU/只;连续观察10天,统计小鼠死亡、存活情况,绘制各剂量组生存曲线,如图6所示;利用改良寇式法计算LD50,并以0.1×LD50作为最适后续免疫剂量。
实施例2:疫苗菌株对宫颈癌治疗效果评价
(1)TC-1肿瘤细胞培养及宫颈癌模型的建立
用含10%胎牛血清、1%青霉素、链霉素的RPMI1640Medium在37℃ 5%CO2培养箱内培养TC-1细胞,待其密度达到80%左右,用Hank’s液润洗细胞2~3次后,胰酶消化并用PBS重悬计数,将细胞配制成浓度为1×106/ml的细胞悬液,6~8周龄的C57BL/6雌鼠右侧腹皮下注射100μl细胞悬液,建立小鼠HPV感染肿瘤模型,大约7d形成肉眼可见的肿瘤。肿瘤体积根据公式1/2×(a×b2)计算(a,b分别为肿瘤的最长直径和最短直径)。使用SPSS软件对数据进行统计学分析。两样本均值比较采用t检验,P<0.05为差异有统计学意义。如图7a所示,第7天各组小鼠肿瘤体积均匀,各组间无统计学差异。
(2)对建模小鼠进行免疫治疗
实验设立阴性对照组:分别于造模第7、14、21天注射与治疗组同等体积生理盐水(NS);Lm载体菌对照组:分别于造模第7、14、21天注射0.1×LD50的LmΔactAplcB-lacZ(注射剂量为5×106CFU/只),治疗组:分别于造模第7、14、21天注射0.1×LD50的LmΔactAplcB-E6E7(注射剂量为1.3×107CFU/只)。
将33只造模小鼠随机分为3组,每组11只。分别于TC-1细胞注射后第7天进行第一次免疫治疗,按实施例1(6)配制菌液,尾静脉接种菌液量为100μl,NS对照组尾静脉接种等体积NS。第14天进行第二次加强免疫治疗,第21天进行第三次加强免疫治疗,方法和剂量同第一次免疫治疗。每隔2天观察并记录小鼠体重,肿瘤生长情况及生存状况(当肿瘤长径达20mm时处死小鼠),并根据公式1/2×(a×b2)计算肿瘤体积(a,b分别为肿瘤的最长直径和最短直径)。生存期比较采用对数秩检验,P<0.05为差异有统计学意义。结果如图7中的a和b所示,加强免疫治疗后观察至42天,治疗组与Lm载体菌对照组及生理盐水组相比,肿瘤大小得到了有效控制,治疗组有两只小鼠治愈(图7)。治疗组小鼠比Lm载体菌对照组(P<0.001)及阴性对照组小鼠(P<0.001)生存率显著提高。实验制备疫苗株对宫颈癌起到有效的控制和治疗作用。(图8、图9)
最后说明的是,以上优选实施例仅用以说明本发明的技术方案而非限制,尽管通过上述优选实施例已经对本发明进行了详细的描述,但本领域技术人员应当理解,可以在形式上和细节上对其作出各种各样的改变,而不偏离本发明权利要求书所限定的范围。
序列表
<110> 南京颂悦生物科技有限公司
<120> 基于重组减毒单增李斯特菌的宫颈癌治疗性疫苗
<160> 13
<170> SIPOSequenceListing 1.0
<210> 1
<211> 866
<212> DNA
<213> 人工序列(Artificial Sequence)
<400> 1
aagctttgca tcaaaaacgt acagcaatgt tccaagatcc acaagaatct ggtcgtaaat 60
taccacaatt atgtacagaa ttacaaacaa caattcatga tattatttta gaatgtgttt 120
attgtaaaca acaattatta cgtcgtgaag tttatgattt cgcattccgt gatttatgta 180
ttgtttatcg tgatggtaac ccatatgcag tttgtgataa atgtttaaaa ttctattcta 240
aaatttctga atatcgtcat catggtgata caccaacatt acatgaatat atgttagatt 300
tacaaccaga aacaacagat ttatatggtt atggtcaatt aaacgattct tctgaagaag 360
aagatgaaat tgatggtcca gcaggtcaag cagaaccaga tcgtgcacat tataacattg 420
ttacattctg ttgtaaatgt gattctacat tagataaatg tttaaaattc tattctaaaa 480
tttctgaata tcgtcattat tgttattctg tttatggtac aacattagaa caacaatata 540
acaaaccatt atgtgattta ttaattcgtt gtattaactg tcaaaaacca ttatgtccag 600
aagaaaaaca acgtcattta gataaaaaac aacgtttcca taacattcgt ggtcgttgga 660
caggtcgttg tatgtcttgt tgtcgttctt ctcgtacacg tcgtgaaaca caattacatt 720
ataacattgt tacattctgt tgtaaatgtg attctacatt acgtttatgt gttcaatcta 780
cacatgttga tattcgtaca ttagaagatt tattaatggg tacattaggt attgtttgtc 840
caatttgttc tcaaaaacca ctcgag 866
<210> 2
<211> 13913
<212> DNA
<213> 人工序列(Artificial Sequence)
<400> 2
tgcggccgcc agtgtgatgg atatctgcag aattaattcg gctttctaga gtgactttta 60
tgttgaggca ttaacatttg ttaacgacga taaagggaca gcaggactag aataaagcta 120
taaagcaagc atataatatt gcgtttcatc tttagaagcg aatttcgcca atattataat 180
tatcaaaaga gaggggtggc aaacggtatt tggcattatt aggttaaaaa atgtagaagg 240
agagtgaaac ccatgaaaaa aataatgcta gtttttatta cacttatatt agttagtcta 300
ccaattgcgc aacaaactga agcaaaggat gcatcggatc catatccata tgatgttcca 360
gattatgcat cattgaattc aatgagaagt gaaagaccac aagctttgca tcaaaaacgt 420
acagcaatgt tccaagatcc acaagaatct ggtcgtaaat taccacaatt atgtacagaa 480
ttacaaacaa caattcatga tattatttta gaatgtgttt attgtaaaca acaattatta 540
cgtcgtgaag tttatgattt cgcattccgt gatttatgta ttgtttatcg tgatggtaac 600
ccatatgcag tttgtgataa atgtttaaaa ttctattcta aaatttctga atatcgtcat 660
catggtgata caccaacatt acatgaatat atgttagatt tacaaccaga aacaacagat 720
ttatatggtt atggtcaatt aaacgattct tctgaagaag aagatgaaat tgatggtcca 780
gcaggtcaag cagaaccaga tcgtgcacat tataacattg ttacattctg ttgtaaatgt 840
gattctacat tagataaatg tttaaaattc tattctaaaa tttctgaata tcgtcattat 900
tgttattctg tttatggtac aacattagaa caacaatata acaaaccatt atgtgattta 960
ttaattcgtt gtattaactg tcaaaaacca ttatgtccag aagaaaaaca acgtcattta 1020
gataaaaaac aacgtttcca taacattcgt ggtcgttgga caggtcgttg tatgtcttgt 1080
tgtcgttctt ctcgtacacg tcgtgaaaca caattacatt ataacattgt tacattctgt 1140
tgtaaatgtg attctacatt acgtttatgt gttcaatcta cacatgttga tattcgtaca 1200
ttagaagatt tattaatggg tacattaggt attgtttgtc caatttgttc tcaaaaacca 1260
ctcgagtata cagatattga aatgaataga ttaggaaaat gataagtcga cgattcacaa 1320
aaaataggca cacgaaaaac aagttaaggg atgcagttta tgcatccctt aacttactta 1380
ttaaataatt tatagctatt gacaagagat aagaattgtt caaagctaat attgtttaaa 1440
tcgtcaattc ctgcatgttt taaggaattg ttaaattgat tttttgtaaa tattttcttg 1500
tattctttgt taacccattt cagaacgaaa taattatact tttgtttatc tttgtgtgat 1560
attcttgatt tttttctact taatctgata agtgagctat tcactttagg tttaggatga 1620
aaatattctc ttggaaccat acttaatata gaaatatcaa cttctgccat taaaagtaat 1680
gccaatgagc gttttgtatt taataatctt ttagcaaacc cgtattccac gattaaataa 1740
atctcattag ctatactatc aagaacaatt ttgcgtatta tatccgtact tatgttataa 1800
ggtatattac catatatttt ataggattgg tttttaggaa atttaaactg caatatatcc 1860
ttgtttaaaa cttggaaatt atcgtgatca acaagtttat tttctgtagt tttgcataat 1920
ttatggtcta tttcaatggc agttacgaaa ttacacctct ttactaattc aagggtaaaa 1980
tggccttttc ctgagccgat ttcaaagata ttatcatgtt catttaatct tatatttgtc 2040
attattttat ctatattatg ttttgaagta ataaagtttt gactgtgttt tatatttttc 2100
tcgttcatta taaccctctt taatttggtt atatgaattt tgcttattaa cgattcatta 2160
taaccactta ttttttgttt ggttgataat gaactgtgct gattacaaaa atactaaaaa 2220
tgcccatatt ttttcctcct tataaaatta gtataattat agcacgagct ctgataaata 2280
tgaacatgat gagtgatcgt taaatttata ctgcaatcgg atgcgattat tgaataaaag 2340
atatgagaga tttatctaat ttcttttttc ttgtaaaaaa agaaagttct taaaggtttt 2400
atagttttgg tcgtagagca cacggtttaa cgacttaatt acgaagtaaa taagtctagt 2460
gtgttagact ttatgaaatc tttatacgtt tatatatatt tattatccgg aggtgtagca 2520
tgtctcattc aattttgagg gttgccagag ttaaaggatc aagtaataca aacgggatac 2580
aaagacataa tcaaagagag aataaaaact ataataataa agacataaat catgaggaaa 2640
catataaaaa ttatgatttg attaacgcac aaaatataaa gtataaagat aaaattgatg 2700
aaacgattga tgagaattat tcagggaaac gtaaaattcg gtcagatgca attcgccccg 2760
ggactagtgc ggccgctaat aatcttgcgc ttcgatgaca acagctgtac cagatgcagt 2820
gaccattagc attccgttat cagctccaag cacttcataa tcaatatcaa caccgataac 2880
ggcatttgcg ccaatatctt tcgcacgttg ttccatttca cgaattgctt cctcgcgagc 2940
attaataagt tcatcttcat agccttgcga acggcccccg aagaaatttc gaagtccagc 3000
cccaatatct ttcataaagt taacgccagt gatgacttcg ccgaaaacga tttttttata 3060
ttcgataatt tgtttgcctt caatatttgg tgaagttgtt acaatcatga gttatcccta 3120
cagtttttct tttatcatac ctcttagtac tttttctagt caaaggatat ccggttattt 3180
cgtacgattt cgcgcttttt ctatataaga aatagcatct ggaactttac aagctgtatt 3240
tccaaggttt acatgaactt tcccgactga tttcgcggct tccatcgctt tttcgtgcaa 3300
atcgtctttg taaattccac aagtgataat aaaaccgttc attgaatagc gggttctatt 3360
ggtttctgtt tgcagcgttt ctttcgcgcg ttgaagtaat gtctctgctt caggcaaatt 3420
gttaatatgt tcgctgtaaa tctgccagcc catggattta gttaaatcat aatcactttc 3480
aatccatgtt ttggcgaaaa ggagtgcatc atcacgtttg cttacaatcg atgctagtcc 3540
aaaagttagt tgtgaccatg tttcgcgaaa agcgatattc catttttcga tttgttcggt 3600
ggttattttg tttggattaa ttgctagcaa accgagataa atcaagtcac tattatttga 3660
ttcaatcagt tttacggcga gttcgtgatt ttttgtcagt ttttctcggc ggatgatttt 3720
ctttaaatca ccaattttta gtccgtaaag atctaatgaa tccggacaac cgtgattacg 3780
aaaaattttg atcgtattgg ggttttctaa ggcttgtagc tcggtgtcaa gttggtcaaa 3840
agtaatcata cgcgtcactc ctctcgaata aagtaagtat aacaaaaaaa gcatgcgaag 3900
gcgcatgctt taggatttaa gaatattagt ctatttgttt cattgcgtcg tctagctaga 3960
attaattctt gaagacgaaa gggcctcgtg atacgcctat ttttataggt taatgtcatg 4020
ataataatgg tttcttagac gtcaggtggc acttttcggg gaaatgtgcg cggaacccct 4080
atttgtttat ttttctaaat acattcaaat atgtatccgc tcatgagaca ataaccctga 4140
taaatgcttc aataatattg aaaaaggaag agtatgagta ttcaacattt ccgtgtcgcc 4200
cttattccct tttttgcggc attttgcctt cctgtttttg ctcacccaga aacgctggtg 4260
aaagtaaaag atgctgaaga tcagttgggt gcacgagtgg gttacatcga actggatctc 4320
aacagcggta agatccttga gagttttcgc cccgaagaac gttttccaat gatgagcact 4380
tttaaagttc tgctatgtgg cgcggtatta tcccgtgttg acgccgggca agagcaactc 4440
ggtcgccgca tacactattc tcagaatgac ttggttgagt actcaccagt cacagaaaag 4500
catcttacgg atggcatgac agtaagagaa ttatgcagtg ctgccataac catgagtgat 4560
aacactgcgg ccaacttact tctgacaacg atcggaggac cgaaggagct aaccgctttt 4620
ttgcacaaca tgggggatca tgtaactcgc cttgatcgtt gggaaccgga gctgaatgaa 4680
gccataccaa acgacgagcg tgacaccacg atgcctgcag caatggcaac aacgttgcgc 4740
aaactattaa ctggcgaact acttactcta gcttcccggc aacaattaat agactggatg 4800
gaggcggata aagttgcagg accacttctg cgctcggccc ttccggctgg ctggtttatt 4860
gctgataaat ctggagccgg tgagcgtggg tctcgcggta tcattgcagc actggggcca 4920
gatggtaagc cctcccgtat cgtagttatc tacacgacgg ggagtcaggc aactatggat 4980
gaacgaaata gacagatcgc tgagataggt gcctcactga ttaagcattg gtaactgtca 5040
gaccaagttt actcatatat actttagatt gatttaaaac ttcattttta atttaaaagg 5100
atctaggtga agatcctttt tgataatctc atgaccaaaa tcccttaacg tgagttttcg 5160
ttccactgag cgtcagaccc cgtagaaaag atcaaaggat cttcttgaga tccttttttt 5220
ctgcgcgtaa tctgctgctt gcaaacaaaa aaaccaccgc taccagcggt ggtttgtttg 5280
ccggatcaag agctaccaac tctttttccg aaggtaactg gcttcagcag agcgcagata 5340
ccaaatactg tccttctagt gtagccgtag ttaggccacc acttcaagaa ctctgtagca 5400
ccgcctacat acctcgctct gctaatcctg ttaccagtgg ctgctgccag tggcgataag 5460
tcgtgtctta ccgggttgga ctcaagacga tagttaccgg ataaggcgca gcggtcgggc 5520
tgaacggggg gttcgtgcac acagcccagc ttggagcgaa cgacctacac cgaactgaga 5580
tacctacagc gtgagctatg agaaagcgcc acgcttcccg aagggagaaa ggcggacagg 5640
tatccggtaa gcggcagggt cggaacagga gagcgcacga gggagcttcc agggggaaac 5700
gcctggtatc tttatagtcc tgtcgggttt cgccacctct gacttgagcg tcgatttttg 5760
tgatgctcgt caggggggcg gagcctatgg aaaaacgcca gcaacgcggc ctttttacgg 5820
ttcctggcct tttgctggcc ttttgctcac atgttctttc ctgcgttatc ccctgattct 5880
gtggataacc gtattaccgc ctttgagtga gctgataccg ctcgccgcag ccgaacgacc 5940
gagcgcagcg agtcagtgag cgaggaagcg gaagagcgcc tgatgcggta ttttctcctt 6000
acgcatctgt gcggtatttc acaccgcata tggtgcactc tcagtacaat ctgctctgat 6060
gccgcatagt taagccagta tacactccgc tatcgctacg tgactgggtc atggctgcgc 6120
cccgacaccc gccaacaccc gctgacgcgc cctgacgggc ttgtctgctc ccggcatccg 6180
cttacagaca agctgtgacc gtctccggga gctgcatgtg tcagaggttt tcaccgtcat 6240
caccgaaacg cgcgaggcag ctgcggtaaa gctcatcagc gtggtcgtga agcgattcac 6300
agatgtctgc ctgttcatcc gcgtccagct cgttgagttt ctccagaagc gttaatgtct 6360
ggcttctgat aaagcgggcc atgttaaggg cggttttttc ctgtttggtc acttgatgcc 6420
tccgtgtaag ggggaatttc tgttcatggg ggtaatgata ccgatgaaac gagagaggat 6480
gctcacgata cgggttactg atgatgaaca tgcccggtta ctggaacgtt gtgagggtaa 6540
acaactggcg gtatggatgc ggcgggacca gagaaaaatc actcagggtc aatgccagcg 6600
cttcgttaat acagatgtag gtgttccaca gggtagccag cagcatcctg cgatgcagat 6660
ccggaacata atggtgcagg gcgctgactt ccgcgtttcc agactttacg aaacacggaa 6720
accgaagacc attcatgttg ttgctcaggt cgcagacgtt ttgcagcagc agtcgcttca 6780
cgttcgctcg cgtatcggtg attcattctg ctaaccagta aggcaacccc gccagcctag 6840
ccgggtcctc aacgacagga gcacgatcat gcgcacccgt ggccaggacc caacgctgcc 6900
cgacgatgat aagctgtcaa acatgagaat taattcccga ttatgtcttt tgcgcactcg 6960
gcttaaacca gttttcgctg gtgcgaaaaa agagtgtctt gtgacaccta aattcaaaat 7020
ctatcggtca gatttatacc gatttgattt tatatattct tgaataacat acgccgagtt 7080
atcacataaa agcgggaacc aatcatcaaa tttaaacttc attgcataat ccattaaact 7140
cttaaattct acgattcctt gttcatcaat aaactcaatc atttctttaa ttaatttata 7200
tctatctgtt gttgttttct ttaataattc atcaacatct acaccgccat aaactatcat 7260
atcttctttt tgatatttaa atttattagg atcgtccatg tgaagcatat atctcacaag 7320
acctttcaca cttcctgcaa tctgcggaat agtcgcattc aattcttctg ttattatttt 7380
tatctgttca taagatttat taccctcata catcactaga atatgataat gctctttttt 7440
catcctacct tctgtatcag tatccctatc atgtaatgga gcactacaaa ttgaatgtgt 7500
aactctttta aatactctaa ccactcggct ttgctgattc tggatataaa acaaatgtcc 7560
aattacgtcc tcttgaattt ttcttgtttt cagtttcttt tattacattt tcgctcatga 7620
tataataacg gtgctaatac acttaacaaa atttagtcat agataggcag catgccagtg 7680
ctgtctatct ttttttgttt aaaatgcacc gtattcctcc tttgcatatt tttttattag 7740
aataccggtt gcatctgatt tgctaatatt atatttttct ttgattctat ttaatatctc 7800
attttcttct gttgtaagtc ttaaagtaac agcaactttt ttctcttctt ttctatctac 7860
aactatcact gtacctccca acatctgttt ttttcacttt aacataaaaa acaacctttt 7920
aacattaaaa acccaatatt tatttatttg tttggacaat ggacaatgga cacctagggg 7980
ggaggtcgta gtacccccct atgttttctc ccctaaataa ccccaaaaat ctaagaaaaa 8040
aagacctcaa aaaggtcttt aattaacatc tcaaatttcg catttattcc aatttccttt 8100
ttgcgtgtga tgcgctgcgt ccattaaaaa tcctagagct ttgcaaccga aagttaatag 8160
ctgtcgctac tactttcgct tacgctctaa gtatatttta aggactgtca cacgcaaaaa 8220
gttttctcgg cataaaagta cctctacatc tctaaatcgt ctgtacgctg tttctcacgc 8280
tttctatcga tcccgcaaga ggcccggcag taccggcata accaagccta tgcctacagc 8340
atccagggtg acggtgccga ggatgacgat gagcgcattg ttagatttca tacacggtgc 8400
ctgactgcgt tagcaattta actgtgataa actaccgcat taaagctagc tttaaggcta 8460
aatgccgaat ggttggcacc taccgcattg gcaaccgtgg cagaagaggg cgcatccgtt 8520
ttggcgaaaa agagtaaaac ggcgaggatg agtgcacagc cagagcccag ccagaaaaca 8580
aactgattat tgatggtgaa catgatgccg acaatcgagg cacacagcgc ccagccaaca 8640
cagccaaaca tccgcgcgcg accaaattcg aaattactgc gacggctgac tttctcaata 8700
aatgcctcta ctgctggcgc accggcgtta aaacaaaagc ctagataaat accaccaaca 8760
atcgatccta ctaaaatgtt gtattgtaac agtggcccga agataaaaat aaagaacggc 8820
gcaaacatca ctaacatgcc ggtaataatc cacagcaggt atttgcgcag cccgagtttg 8880
tcagaaagca gaccaaacag cggttggaat aatagcgaga acagagaaat agcggcaaaa 8940
ataatacccg tatcactttt gctgatatgg ttgatgtcat gtagccaaat cgggaaaaac 9000
gggaagtagg ctcccatgat aaaaaagtaa aagaaaaaga ataaaccgaa catccaaaag 9060
tttgtgtttt ttaaatagta cataatggat ttccttacgc gaaatacggg cagacatggc 9120
ctgcccggtt attattattt ttgacaccag accaactggt aatggtagcg accggcgctc 9180
agctggaatt aattccgccg atactgacgg gctccaggag tcgtcgccac caatccccat 9240
atggaaaccg tcgatattca gccatgtgcc ttcttccgcg tgcagcagat ggcgatggct 9300
ggtttccatc agttgctgtt gactgtagcg gctgatgttg aactggaagt cgccgcgcca 9360
ctggtgtggg ccataattca attcgcgcgt cccgcagcgc agaccgtttt cgctcgggaa 9420
gacgtacggg gtatacatgt ctgacaatgg cagatcccag cggtcaaaac aggcggcagt 9480
aaggcggtcg ggatagtttt cttgcggccc taatccgagc cagtttaccc gctctgctac 9540
ctgcgccagc tggcagttca ggccaatccg cgccggatgc ggtgtatcgc tcgccacttc 9600
aacatcaacg gtaatcgcca tttgaccact accatcaatc cggtaggttt tccggctgat 9660
aaataaggtt ttcccctgat gctgccacgc gtgagcggtc gtaatcagca ccgcatcagc 9720
aagtgtatct gccgtgcact gcaacaacgc tgcttcggcc tggtaatggc ccgccgcctt 9780
ccagcgttcg acccaggcgt tagggtcaat gcgggtcgct tcacttacgc caatgtcgtt 9840
atccagcggt gcacgggtga actgatcgcg cagcggcgtc agcagttgtt ttttatcgcc 9900
aatccacatc tgtgaaagaa agcctgactg gcggttaaat tgccaacgct tattacccag 9960
ctcgatgcaa aaatccattt cgctggtggt cagatgcggg atggcgtggg acgcggcggg 10020
gagcgtcaca ctgaggtttt ccgccagacg ccactgctgc caggcgctga tgtgcccggc 10080
ttctgaccat gcggtcgcgt tcggttgcac tacgcgtact gtgagccaga gttgcccggc 10140
gctctccggc tgcggtagtt caggcagttc aatcaactgt ttaccttgtg gagcgacatc 10200
cagaggcact tcaccgcttg ccagcggctt accatccagc gccaccatcc agtgcaggag 10260
ctcgttatcg ctatgacgga acaggtattc gctggtcact tcgatggttt gcccggataa 10320
acggaactgg aaaaactgct gctggtgttt tgcttccgtc agcgctggat gcggcgtgcg 10380
gtcggcaaag accagaccgt tcatacagaa ctggcgatcg ttcggcgtat cgccaaaatc 10440
accgccgtaa gccgaccacg ggttgccgtt ttcatcatat ttaatcagcg actgatccac 10500
ccagtcccag acgaagccgc cctgtaaacg gggatactga cgaaacgcct gccagtattt 10560
agcgaaaccg ccaagactgt tacccatcgc gtgggcgtat tcgcaaagga tcagcgggcg 10620
cgtctctcca ggtagcgaaa gccatttttt gatggaccat ttcggcacag ccgggaaggg 10680
ctggtcttca tccacgcgcg cgtacatcgg gcaaataata tcggtggccg tggtgtcggc 10740
tccgccgcct tcatactgca ccgggcggga aggatcgaca gatttgatcc agcgatacag 10800
cgcgtcgtga ttagcgccgt ggcctgattc attccccagc gaccagatga tcacactcgg 10860
gtgattacga tcgcgctgca ccattcgcgt tacgcgttcg ctcatcgccg gtagccagcg 10920
cggatcatcg gtcagacgat tcattggcac catgccgtgg gtttcaatat tggcttcatc 10980
caccacatac aggccgtagc ggtcgcacag cgtgtaccac agcggatggt tcggataatg 11040
cgaacagcgc acggcgttaa agttgttctg cttcatcagc aggatatcct gcaccatcgt 11100
ctgctcatcc atgacctgac catgcagagg atgatgctcg tgacggttaa cgcctcgaat 11160
cagcaacggc ttgccgttca gcagcagcag accattttca atccgcacct cgcggaaacc 11220
gacatcgcag gcttctgctt caatcagcgt gccgtcggcg gtgtgcagtt caaccaccgc 11280
acgatagaga ttcgggattt cggcgctcca cagtttcggg ttttcgacgt tcagacgtag 11340
tgtgacgcga tcggcataac caccacgctc atcgataatt tcaccgccga aaggcgcggt 11400
gccgctggcg acctgcgttt caccctgcca taaagaaact gttacccgta ggtagtcacg 11460
caactcgccg cacatctgaa cttcagcctc cagtacagcg cggctgaaat catcattaaa 11520
gcgagtggca acatggaaat cgctgatttg tgtagtcggt ttatgcagca acgagacgtc 11580
acggaaaatg ccgctcatcc gccacatatc ctgatcttcc agataactgc cgtcactcca 11640
acgcagcacc atcaccgcga ggcggttttc tccggcgcgt aaaaatgcgc tcaggtcaaa 11700
ttcagacggc aaacgactgt cctggccgta accgacccag cgcccgttgc accacagatg 11760
aaacgccgag ttaacgccat caaaaataat tcgcgtctgg ccttcctgta gccagctttc 11820
atcaacatta aatgtgagcg agtaacaacc cgtcggattc tccgtgggaa caaacggcgg 11880
attgaccgta atgggatagg ttacgttggt gtagatgggc gcatcgtaac cgtgcatctg 11940
ccagtttgag gggacgacga cagtatcggc ctcaggaaga tcgcactcca gccagctttc 12000
cggcaccgct tctggtgccg gaaaccaggc aaagcgccat tcgccattca ggctgcgcaa 12060
ctgttgggaa gggcgatcgg tgcgggcctc ttcgctatta cgccagctgg cgaaaggggg 12120
atgtgctgca aggcgattaa gttgggtaac gccagggttt tcccagtcac gacgttgtaa 12180
aacgacggga tccataaaaa ctagcattat ttttttcatg ggtttcactc tccttctaca 12240
ttttttaacc taataatgcc aaataccgtt tgccacccct ctcttttgat aattataata 12300
ttggcgaaat tcgcttctaa agatgaaacg caatattata tgcttgcttt atagctttat 12360
tctagtcctg ctgtcccttt atcgtcgtta acaaatgtta atgcctcaac ataaaagtca 12420
ctctagtaca tttttatctc atttttataa tcctgataga gataatactt atttgccggg 12480
ttttgctaat gcgaaaataa caggagcaaa gtatttcaat caatcggtga ctgattaccg 12540
agaagggaaa tttgacacag cgttttataa attaggccta gcaatccatt attatacgga 12600
tattagtcaa cctatgcacg ccaataattt taccgcaata tcataccctc caggctacca 12660
ctgtgcatat gaaaattacg tagataccat taaacacaat tatcaagcaa cggaagacat 12720
ggtagcaaaa agattttgct cagatgacgt gaaagactgg ctctatgaaa atgcgaaaag 12780
ggcgaaagcg gactacccga aaatagtcaa tgcgaaaact aaaaaatcat atttagtagg 12840
aaattctgaa tggaaaaagg atacagtgga acctactgga gctagactaa gagattcaca 12900
gcaaactttg gcaggttttt tagaattttg gtctaaaaaa acaaatgaat aacaatattt 12960
aggaatacat tcttatccac tcgttagcgg gtggatatat tttatgggga ggaagtaagc 13020
caaatgtata taaaagggag gttaatcttt ttctttgtag tgttagtaat cgcgttatgt 13080
tccgtattaa tattgcttat aataaaaata agcgtatgga aagatgaacc atttcattta 13140
agcgatgcaa aggagattga gtgtcttgga agttgtgaaa taaaaaatac taatcaaaaa 13200
atccatttct tctccataaa agagaatttg tttgaggaaa agggtgatat agctggaatt 13260
ttaaatgaag acgaacaaaa agttgctgat aagtccattt tcattgttat tttggatgat 13320
gaaaaaggga ttgcgaacga agagtaaagc ggtttgttag gtagtcttga atagttaaaa 13380
aacaatatag gaggaacatc tatgaaaatg cttaaaaagg gtaccgcagt tctatttgta 13440
atgatcatgg cagttatgtt agtcgcgtgt ggggataaag aagaaacgaa aacttacaca 13500
ctttcccaaa atggtgttga ttctaaatta acatacacat ataagggaga caaagttact 13560
aaacaaacag ctgaaaatac aatgtcatat gcttcgttag gtgtggcttc aaaagaagac 13620
gctgaaaaaa tgcttaaagc aacaagcgat aaattccaag gtattgatgg tttaaaagaa 13680
aagattgaat ataaagatga taaagctatt gaaacactag aagtagatta cactaaaatc 13740
tcttcggaag atatgaacaa aatccctggt atgtcttcaa atggtgatac ttctaaaggg 13800
attagcatgg aggaatctgc aaaaatgcta gaatcccaag gctataaaga agtttcaaaa 13860
taaatttgca ataaaaaaga agtatccgat tcatttggat acttcttttt tat 13913
<210> 3
<211> 9540
<212> DNA
<213> 人工序列(Artificial Sequence)
<400> 3
gaattcccga ttatgtcttt tgcgcactcg gcttaaacca gttttcgctg gtgcgaaaaa 60
agagtgtctt gtgacaccta aattcaaaat ctatcggtca gatttatacc gatttgattt 120
tatatattct tgaataacat acgccgagtt atcacataaa agcgggaacc aatcatcaaa 180
tttaaacttc attgcataat ccattaaact cttaaattct acgattcctt gttcatcaat 240
aaactcaatc atttctttaa ttaatttata tctatctgtt gttgttttct ttaataattc 300
atcaacatct acaccgccat aaactatcat atcttctttt tgatatttaa atttattagg 360
atcgtccatg tgaagcatat atctcacaag acctttcaca cttcctgcaa tctgcggaat 420
agtcgcattc aattcttctg ttattatttt tatctgttca taagatttat taccctcata 480
catcactaga atatgataat gctctttttt catcctacct tctgtatcag tatccctatc 540
atgtaatgga gcactacaaa ttgaatgtgt aactctttta aatactctaa ccactcggct 600
ttgctgattc tggatataaa acaaatgtcc aattacgtcc tcttgaattt ttcttgtttt 660
cagtttcttt tattacattt tcgctcatga tataataacg gtgctaatac acttaacaaa 720
atttagtcat agataggcag catgccagtg ctgtctatct ttttttgttt aaaatgcacc 780
gtattcctcc tttgcatatt tttttattag aataccggtt gcatctgatt tgctaatatt 840
atatttttct ttgattctat ttaatatctc attttcttct gttgtaagtc ttaaagtaac 900
agcaactttt ttctcttctt ttctatctac aactatcact gtacctccca acatctgttt 960
ttttcacttt aacataaaaa acaacctttt aacattaaaa acccaatatt tatttatttg 1020
tttggacaat ggacaatgga cacctagggg ggaggtcgta gtacccccct atgttttctc 1080
ccctaaataa ccccaaaaat ctaagaaaaa aagacctcaa aaaggtcttt aattaacatc 1140
tcaaatttcg catttattcc aatttccttt ttgcgtgtga tgcgctgcgt ccattaaaaa 1200
tcctagagct ttgcaaccga aagttaatag ctgtcgctac tactttcgct tacgctctaa 1260
gtatatttta aggactgtca cacgcaaaaa gttttctcgg cataaaagta cctctacatc 1320
tctaaatcgt ctgtacgctg tttctcacgc tttctatcga tcccgcaaga ggcccggcag 1380
taccggcata accaagccta tgcctacagc atccagggtg acggtgccga ggatgacgat 1440
gagcgcattg ttagatttca tacacggtgc ctgactgcgt tagcaattta actgtgataa 1500
actaccgcat taaagcttgt cgacgattca caaaaaatag gcacacgaaa aacaagttaa 1560
gggatgcagt ttatgcatcc cttaacttac ttattaaata atttatagct attgacaaga 1620
gataagaatt gttcaaagct aatattgttt aaatcgtcaa ttcctgcatg ttttaaggaa 1680
ttgttaaatt gattttttgt aaatattttc ttgtattctt tgttaaccca tttcagaacg 1740
aaataattat acttttgttt atctttgtgt gatattcttg atttttttct acttaatctg 1800
ataagtgagc tattcacttt aggtttagga tgaaaatatt ctcttggaac catacttaat 1860
atagaaatat caacttctgc cattaaaagt aatgccaatg agcgttttgt atttaataat 1920
cttttagcaa acccgtattc cacgattaaa taaatctcat tagctatact atcaagaaca 1980
attttgcgta ttatatccgt acttatgtta taaggtatat taccatatat tttataggat 2040
tggtttttag gaaatttaaa ctgcaatata tccttgttta aaacttggaa attatcgtga 2100
tcaacaagtt tattttctgt agttttgcat aatttatggt ctatttcaat ggcagttacg 2160
aaattacacc tctttactaa ttcaagggta aaatggcctt ttcctgagcc gatttcaaag 2220
atattatcat gttcatttaa tcttatattt gtcattattt tatctatatt atgttttgaa 2280
gtaataaagt tttgactgtg ttttatattt ttctcgttca ttataaccct ctttaatttg 2340
gttatatgaa ttttgcttat taacgattca ttataaccac ttattttttg tttggttgat 2400
aatgaactgt gctgattaca aaaatactaa aaatgcccat attttttcct ccttataaaa 2460
ttagtataat tatagcacga gctctgataa atatgaacat gatgagtgat cgttaaattt 2520
atactgcaat cggatgcgat tattgaataa aagatatgag agatttatct aatttctttt 2580
ttcttgtaaa aaaagaaagt tcttaaaggt tttatagttt tggtcgtaga gcacacggtt 2640
taacgactta attacgaagt aaataagtct agtgtgttag actttatgaa atctttatac 2700
gtttatatat atttattatc cggaggtgta gcatgtctca ttcaattttg agggttgcca 2760
gagttaaagg atcaagtaat acaaacggga tacaaagaca taatcaaaga gagaataaaa 2820
actataataa taaagacata aatcatgagg aaacatataa aaattatgat ttgattaacg 2880
cacaaaatat aaagtataaa gataaaattg atgaaacgat tgatgagaat tattcaggga 2940
aacgtaaaat tcggtcagat gcaattcgcc ccgggactag ttaaaggtgg agaaattgat 3000
tcgtttgtcc attatggctt gaattgcaat aatgcctttt gggatggcca agaaattctt 3060
tatggagatg gggacaaaaa gaatttcaaa ccattttcat gcgccaaaac tattgttggt 3120
catgaactaa cgcatgcagt tatccagtat tcggcgggat tggaatacga agggcaatca 3180
ggtgcgctaa acgagtcgtt cgccgatgtt tttggttatt ttattgcgcc aaatcattgg 3240
ttgattggtg aggatgtctg tgtgcgtggg tcgcgagatg ggcgaataag aagcattaaa 3300
gatcctgaca aatataatca agcggctcat atgaaggatt acgaatcgct tccaatcaca 3360
gaggaaggcg actggggcgg agttcattat aatagtggta tcccgaataa agcagcctat 3420
aatactatca ctaaacttgg aaaagaaaaa acagaacagc gacgatttcg cgccttaaag 3480
tactatttaa cgaaaaaagc ccagtttacc gatgcgaaaa aagcgcttca acaagcagcg 3540
aaagatttat atggtgaaga tgcttctaaa aaagttgctg aagcttggga agcggtagga 3600
gttaactgag cggccgccag tgtgatggat atctgcagaa ttaattcggc tttctagagt 3660
gacttttatg ttgaggcatt aacatttgtt aacgacgata aagggacagc aggactagaa 3720
taaagctata aagcaagcat ataatattgc gtttcatctt tagaagcgaa tttcgccaat 3780
attataatta tcaaaagaga ggggtggcaa acggtatttg gcattattag gttaaaaaat 3840
gtagaaggag agtgaaaccc atgaaaaaaa taatgctagt ttttattaca cttatattag 3900
ttagtctacc aattgcgcaa caaactgaag caaaggatgc atcggatctt aaagctgttt 3960
ataattttgc tactatgaag gatccatatc catatgatgt tccagattat gcatcattga 4020
attcaatgag aagtgaaaga ccacaagctt tgcatcaaaa acgtacagca atgttccaag 4080
atccacaaga atctggtcgt aaattaccac aattatgtac agaattacaa acaacaattc 4140
atgatattat tttagaatgt gtttattgta aacaacaatt attacgtcgt gaagtttatg 4200
atttcgcatt ccgtgattta tgtattgttt atcgtgatgg taacccatat gcagtttgtg 4260
ataaatgttt aaaattctat tctaaaattt ctgaatatcg tcatcatggt gatacaccaa 4320
cattacatga atatatgtta gatttacaac cagaaacaac agatttatat ggttatggtc 4380
aattaaacga ttcttctgaa gaagaagatg aaattgatgg tccagcaggt caagcagaac 4440
cagatcgtgc acattataac attgttacat tctgttgtaa atgtgattct acattagata 4500
aatgtttaaa attctattct aaaatttctg aatatcgtca ttattgttat tctgtttatg 4560
gtacaacatt agaacaacaa tataacaaac cattatgtga tttattaatt cgttgtatta 4620
actgtcaaaa accattatgt ccagaagaaa aacaacgtca tttagataaa aaacaacgtt 4680
tccataacat tcgtggtcgt tggacaggtc gttgtatgtc ttgttgtcgt tcttctcgta 4740
cacgtcgtga aacacaatta cattataaca ttgttacatt ctgttgtaaa tgtgattcta 4800
cattacgttt atgtgttcaa tctacacatg ttgatattcg tacattagaa gatttattaa 4860
tgggtacatt aggtattgtt tgtccaattt gttctcaaaa accactcgag ggattaaatg 4920
gaccagatat ttataaagga gtttatcaat ttaaaagtgt tgaatttgat gtcgagtata 4980
cagatattga aatgaataga ttaggaaaat gataagtcgg cggccgctaa taatcttgcg 5040
cttcgatgac aacagctgta ccagatgcag tgaccattag cattccgtta tcagctccaa 5100
gcacttcata atcaatatca acaccgataa cggcatttgc gccaatatct ttcgcacgtt 5160
gttccatttc acgaattgct tcctcgcgag cattaataag ttcatcttca tagccttgcg 5220
aacggccccc gaagaaattt cgaagtccag ccccaatatc tttcataaag ttaacgccag 5280
tgatgacttc gccgaaaacg atttttttat attcgataat ttgtttgcct tcaatatttg 5340
gtgaagttgt tacaatcatg agttatccct acagtttttc ttttatcata cctcttagta 5400
ctttttctag tcaaaggata tccggttatt tcgtacgatt tcgcgctttt tctatataag 5460
aaatagcatc tggaacttta caagctgtat ttccaaggtt tacatgaact ttcccgactg 5520
atttcgcggc ttccatcgct ttttcgtgca aatcgtcttt gtaaattcca caagtgataa 5580
taaaaccgtt cattgaatag cgggttctat tggtttctgt ttgcagcgtt tctttcgcgc 5640
gttgaagtaa tgtctctgct tcaggcaaat tgttaatatg ttcgctgtaa atctgccagc 5700
ccatggattt agttaaatca taatcacttt caatccatgt tttggcgaaa aggagtgcat 5760
catcacgttt gcttacaatc gatgctagtc caaaagttag ttgtgaccat gtttcgcgaa 5820
aagcgatatt ccatttttcg atttgttcgg tggttatttt gtttggatta attgctagca 5880
aaccgagata aatcaagtca ctattatttg attcaatcag ttttacggcg agttcgtgat 5940
tttttgtcag tttttctcgg cggatgattt tctttaaatc accaattttt agtccgtaaa 6000
gatctaatga atccggacaa ccgtgattac gaaaaatttt gatcgtattg gggttttcta 6060
aggcttgtag ctcggtgtca agttggtcaa aagtaatcat acgcgtcact cctctcgaat 6120
aaagtaagta taacaaaaaa agcatgcgaa ggcgcatgct ttaggattta agaatattag 6180
tctatttgtt tcattgcgtc gttctagaac ttttttaagt gtatctgcgg agtttttcat 6240
ttgttctttt tctttgtcat ttaagttcat ttcaacaata tggcgaacgc cttgacggtt 6300
aacgactgct ggtgcaccta tataaatatc gttcataccg taatggccat ctaaataaac 6360
agaaagtggc aaaatcgcat tttcgttatt tagaattgct tttgtaatac gagcaagagc 6420
tgcagcaacg ccgtagaatg tagcgccttt tttattaata atttcataag ctgcatcacg 6480
aacacttacg aaaatagtat ccattgcacc ttgttcatct tcgctaatcc attcagtaat 6540
tggaaggccg ccgacagttg tgtggctcca tgctgggaat tcttgaagac gaaagggcct 6600
cgtgatacgc ctatttttat aggttaatgt catgataata atggtttctt agacgtcagg 6660
tggcactttt cggggaaatg tgcgcggaac ccctatttgt ttatttttct aaatacattc 6720
aaatatgtat ccgctcatga gacaataacc ctgataaatg cttcaataat attgaaaaag 6780
gaagagtatg agtattcaac atttccgtgt cgcccttatt cccttttttg cggcattttg 6840
ccttcctgtt tttgctcacc cagaaacgct ggtgaaagta aaagatgctg aagatcagtt 6900
gggtgcacga gtgggttaca tcgaactgga tctcaacagc ggtaagatcc ttgagagttt 6960
tcgccccgaa gaacgttttc caatgatgag cacttttaaa gttctgctat gtggcgcggt 7020
attatcccgt gttgacgccg ggcaagagca actcggtcgc cgcatacact attctcagaa 7080
tgacttggtt gagtactcac cagtcacaga aaagcatctt acggatggca tgacagtaag 7140
agaattatgc agtgctgcca taaccatgag tgataacact gcggccaact tacttctgac 7200
aacgatcgga ggaccgaagg agctaaccgc ttttttgcac aacatggggg atcatgtaac 7260
tcgccttgat cgttgggaac cggagctgaa tgaagccata ccaaacgacg agcgtgacac 7320
cacgatgcct gcagcaatgg caacaacgtt gcgcaaacta ttaactggcg aactacttac 7380
tctagcttcc cggcaacaat taatagactg gatggaggcg gataaagttg caggaccact 7440
tctgcgctcg gcccttccgg ctggctggtt tattgctgat aaatctggag ccggtgagcg 7500
tgggtctcgc ggtatcattg cagcactggg gccagatggt aagccctccc gtatcgtagt 7560
tatctacacg acggggagtc aggcaactat ggatgaacga aatagacaga tcgctgagat 7620
aggtgcctca ctgattaagc attggtaact gtcagaccaa gtttactcat atatacttta 7680
gattgattta aaacttcatt tttaatttaa aaggatctag gtgaagatcc tttttgataa 7740
tctcatgacc aaaatccctt aacgtgagtt ttcgttccac tgagcgtcag accccgtaga 7800
aaagatcaaa ggatcttctt gagatccttt ttttctgcgc gtaatctgct gcttgcaaac 7860
aaaaaaacca ccgctaccag cggtggtttg tttgccggat caagagctac caactctttt 7920
tccgaaggta actggcttca gcagagcgca gataccaaat actgtccttc tagtgtagcc 7980
gtagttaggc caccacttca agaactctgt agcaccgcct acatacctcg ctctgctaat 8040
cctgttacca gtggctgctg ccagtggcga taagtcgtgt cttaccgggt tggactcaag 8100
acgatagtta ccggataagg cgcagcggtc gggctgaacg gggggttcgt gcacacagcc 8160
cagcttggag cgaacgacct acaccgaact gagataccta cagcgtgagc tatgagaaag 8220
cgccacgctt cccgaaggga gaaaggcgga caggtatccg gtaagcggca gggtcggaac 8280
aggagagcgc acgagggagc ttccaggggg aaacgcctgg tatctttata gtcctgtcgg 8340
gtttcgccac ctctgacttg agcgtcgatt tttgtgatgc tcgtcagggg ggcggagcct 8400
atggaaaaac gccagcaacg cggccttttt acggttcctg gccttttgct ggccttttgc 8460
tcacatgttc tttcctgcgt tatcccctga ttctgtggat aaccgtatta ccgcctttga 8520
gtgagctgat accgctcgcc gcagccgaac gaccgagcgc agcgagtcag tgagcgagga 8580
agcggaagag cgcctgatgc ggtattttct ccttacgcat ctgtgcggta tttcacaccg 8640
catatggtgc actctcagta caatctgctc tgatgccgca tagttaagcc agtatacact 8700
ccgctatcgc tacgtgactg ggtcatggct gcgccccgac acccgccaac acccgctgac 8760
gcgccctgac gggcttgtct gctcccggca tccgcttaca gacaagctgt gaccgtctcc 8820
gggagctgca tgtgtcagag gttttcaccg tcatcaccga aacgcgcgag gcagctgcgg 8880
taaagctcat cagcgtggtc gtgaagcgat tcacagatgt ctgcctgttc atccgcgtcc 8940
agctcgttga gtttctccag aagcgttaat gtctggcttc tgataaagcg ggccatgtta 9000
agggcggttt tttcctgttt ggtcacttga tgcctccgtg taagggggaa tttctgttca 9060
tgggggtaat gataccgatg aaacgagaga ggatgctcac gatacgggtt actgatgatg 9120
aacatgcccg gttactggaa cgttgtgagg gtaaacaact ggcggtatgg atgcggcggg 9180
accagagaaa aatcactcag ggtcaatgcc agcgcttcgt taatacagat gtaggtgttc 9240
cacagggtag ccagcagcat cctgcgatgc agatccggaa cataatggtg cagggcgctg 9300
acttccgcgt ttccagactt tacgaaacac ggaaaccgaa gaccattcat gttgttgctc 9360
aggtcgcaga cgttttgcag cagcagtcgc ttcacgttcg ctcgcgtatc ggtgattcat 9420
tctgctaacc agtaaggcaa ccccgccagc ctagccgggt cctcaacgac aggagcacga 9480
tcatgcgcac ccgtggccag gacccaacgc tgcccgacga tgataagctg tcaaacatga 9540
<210> 4
<211> 7967
<212> DNA
<213> 人工序列(Artificial Sequence)
<400> 4
gaattcccga ttatgtcttt tgcgcactcg gcttaaacca gttttcgctg gtgcgaaaaa 60
agagtgtctt gtgacaccta aattcaaaat ctatcggtca gatttatacc gatttgattt 120
tatatattct tgaataacat acgccgagtt atcacataaa agcgggaacc aatcatcaaa 180
tttaaacttc attgcataat ccattaaact cttaaattct acgattcctt gttcatcaat 240
aaactcaatc atttctttaa ttaatttata tctatctgtt gttgttttct ttaataattc 300
atcaacatct acaccgccat aaactatcat atcttctttt tgatatttaa atttattagg 360
atcgtccatg tgaagcatat atctcacaag acctttcaca cttcctgcaa tctgcggaat 420
agtcgcattc aattcttctg ttattatttt tatctgttca taagatttat taccctcata 480
catcactaga atatgataat gctctttttt catcctacct tctgtatcag tatccctatc 540
atgtaatgga gcactacaaa ttgaatgtgt aactctttta aatactctaa ccactcggct 600
ttgctgattc tggatataaa acaaatgtcc aattacgtcc tcttgaattt ttcttgtttt 660
cagtttcttt tattacattt tcgctcatga tataataacg gtgctaatac acttaacaaa 720
atttagtcat agataggcag catgccagtg ctgtctatct ttttttgttt aaaatgcacc 780
gtattcctcc tttgcatatt tttttattag aataccggtt gcatctgatt tgctaatatt 840
atatttttct ttgattctat ttaatatctc attttcttct gttgtaagtc ttaaagtaac 900
agcaactttt ttctcttctt ttctatctac aactatcact gtacctccca acatctgttt 960
ttttcacttt aacataaaaa acaacctttt aacattaaaa acccaatatt tatttatttg 1020
tttggacaat ggacaatgga cacctagggg ggaggtcgta gtacccccct atgttttctc 1080
ccctaaataa ccccaaaaat ctaagaaaaa aagacctcaa aaaggtcttt aattaacatc 1140
tcaaatttcg catttattcc aatttccttt ttgcgtgtga tgcgctgcgt ccattaaaaa 1200
tcctagagct ttgcaaccga aagttaatag ctgtcgctac tactttcgct tacgctctaa 1260
gtatatttta aggactgtca cacgcaaaaa gttttctcgg cataaaagta cctctacatc 1320
tctaaatcgt ctgtacgctg tttctcacgc tttctatcga tcccgcaaga ggcccggcag 1380
taccggcata accaagccta tgcctacagc atccagggtg acggtgccga ggatgacgat 1440
gagcgcattg ttagatttca tacacggtgc ctgactgcgt tagcaattta actgtgataa 1500
actaccgcat taaagcttgt cgacgattca caaaaaatag gcacacgaaa aacaagttaa 1560
gggatgcagt ttatgcatcc cttaacttac ttattaaata atttatagct attgacaaga 1620
gataagaatt gttcaaagct aatattgttt aaatcgtcaa ttcctgcatg ttttaaggaa 1680
ttgttaaatt gattttttgt aaatattttc ttgtattctt tgttaaccca tttcagaacg 1740
aaataattat acttttgttt atctttgtgt gatattcttg atttttttct acttaatctg 1800
ataagtgagc tattcacttt aggtttagga tgaaaatatt ctcttggaac catacttaat 1860
atagaaatat caacttctgc cattaaaagt aatgccaatg agcgttttgt atttaataat 1920
cttttagcaa acccgtattc cacgattaaa taaatctcat tagctatact atcaagaaca 1980
attttgcgta ttatatccgt acttatgtta taaggtatat taccatatat tttataggat 2040
tggtttttag gaaatttaaa ctgcaatata tccttgttta aaacttggaa attatcgtga 2100
tcaacaagtt tattttctgt agttttgcat aatttatggt ctatttcaat ggcagttacg 2160
aaattacacc tctttactaa ttcaagggta aaatggcctt ttcctgagcc gatttcaaag 2220
atattatcat gttcatttaa tcttatattt gtcattattt tatctatatt atgttttgaa 2280
gtaataaagt tttgactgtg ttttatattt ttctcgttca ttataaccct ctttaatttg 2340
gttatatgaa ttttgcttat taacgattca ttataaccac ttattttttg tttggttgat 2400
aatgaactgt gctgattaca aaaatactaa aaatgcccat attttttcct ccttataaaa 2460
ttagtataat tatagcacga gctctgataa atatgaacat gatgagtgat cgttaaattt 2520
atactgcaat cggatgcgat tattgaataa aagatatgag agatttatct aatttctttt 2580
ttcttgtaaa aaaagaaagt tcttaaaggt tttatagttt tggtcgtaga gcacacggtt 2640
taacgactta attacgaagt aaataagtct agtgtgttag actttatgaa atctttatac 2700
gtttatatat atttattatc cggaggtgta gcatgtctca ttcaattttg agggttgcca 2760
gagttaaagg atcaagtaat acaaacggga tacaaagaca taatcaaaga gagaataaaa 2820
actataataa taaagacata aatcatgagg aaacatataa aaattatgat ttgattaacg 2880
cacaaaatat aaagtataaa gataaaattg atgaaacgat tgatgagaat tattcaggga 2940
aacgtaaaat tcggtcagat gcaattcgcc ccgggactag ttaaaggtgg agaaattgat 3000
tcgtttgtcc attatggctt gaattgcaat aatgcctttt gggatggcca agaaattctt 3060
tatggagatg gggacaaaaa gaatttcaaa ccattttcat gcgccaaaac tattgttggt 3120
catgaactaa cgcatgcagt tatccagtat tcggcgggat tggaatacga agggcaatca 3180
ggtgcgctaa acgagtcgtt cgccgatgtt tttggttatt ttattgcgcc aaatcattgg 3240
ttgattggtg aggatgtctg tgtgcgtggg tcgcgagatg ggcgaataag aagcattaaa 3300
gatcctgaca aatataatca agcggctcat atgaaggatt acgaatcgct tccaatcaca 3360
gaggaaggcg actggggcgg agttcattat aatagtggta tcccgaataa agcagcctat 3420
aatactatca ctaaacttgg aaaagaaaaa acagaacagc gacgatttcg cgccttaaag 3480
tactatttaa cgaaaaaagc ccagtttacc gatgcgaaaa aagcgcttca acaagcagcg 3540
aaagatttat atggtgaaga tgcttctaaa aaagttgctg aagcttggga agcggtagga 3600
gttaactgag cggccgcaca aaaaacggaa atcagttagt aaaactggtt tccgtttttt 3660
attaatagtc ttgagcctca ataacaacag cagtgccaga tgctgtaacc attaacatac 3720
cattatccgc tccaagtact tcataatcga tatccacacc aattacggca tttgctccga 3780
tatctttggc gcgctgttcc atctctttaa tagcttcctc acgtgcgtta attaactcgt 3840
cttcataacc ttgtgatcgt ccaccgaaaa agtttctgag gccagctcca atgtctttca 3900
taaaattaac accagtaatt acttctccga aaacgatttt tttatattcg ataatttgct 3960
tgccttcaat atttggtgag gtagttacaa tcattattaa atccctccag ttttctttta 4020
tcatacctct aagttgtttt tttagtcaaa ggatagctgg ttatttttta cgggcgtggg 4080
ctttttcgat ataagtaatc gcatctggga ctttgcaagc agtttttcct aaatctacat 4140
atactttacc tattgattct gctgcttcca atgcttttgt gtaaagttcc tctttataaa 4200
ttccgcaagc gatgatataa ctattcatag agtaacgagt tctgttcgtt tcagattgta 4260
aagattcttt tgcgagttcc agtaattcct cggcttcagg caaagtcgcg atgtgttctg 4320
tgaaaatttg ccagcccatt gatttagtta aatcagcatc acttttaatc catttcctag 4380
caaaggtgag tgcgtcatca cgtttactta caacggaggc tagcccaaaa gttaacatcg 4440
tccaagcatc tcgaaaagct atattccatt tctcgatttg tgaaacagct acttttttag 4500
ggttcacggc aagtaaacca aggtaaatta agtcgctatt attagactcg attaattgga 4560
gtgctaattc gtgattttta ttcaattttt cacggcgaat aattttcttt aaatcaccaa 4620
tctttaatct ctagaacttt tttaagtgta tctgcggagt ttttcatttg ttctttttct 4680
ttgtcattta agttcatttc aacaatatgg cgaacgcctt gacggttaac gactgctggt 4740
gcacctatat aaatatcgtt cataccgtaa tggccatcta aataaacaga aagtggcaaa 4800
atcgcatttt cgttatttag aattgctttt gtaatacgag caagagctgc agcaacgccg 4860
tagaatgtag cgcctttttt attaataatt tcataagctg catcacgaac acttacgaaa 4920
atagtatcca ttgcaccttg ttcatcttcg ctaatccatt cagtaattgg aaggccgccg 4980
acagttgtgt ggctccatgc tgggaattct tgaagacgaa agggcctcgt gatacgccta 5040
tttttatagg ttaatgtcat gataataatg gtttcttaga cgtcaggtgg cacttttcgg 5100
ggaaatgtgc gcggaacccc tatttgttta tttttctaaa tacattcaaa tatgtatccg 5160
ctcatgagac aataaccctg ataaatgctt caataatatt gaaaaaggaa gagtatgagt 5220
attcaacatt tccgtgtcgc ccttattccc ttttttgcgg cattttgcct tcctgttttt 5280
gctcacccag aaacgctggt gaaagtaaaa gatgctgaag atcagttggg tgcacgagtg 5340
ggttacatcg aactggatct caacagcggt aagatccttg agagttttcg ccccgaagaa 5400
cgttttccaa tgatgagcac ttttaaagtt ctgctatgtg gcgcggtatt atcccgtgtt 5460
gacgccgggc aagagcaact cggtcgccgc atacactatt ctcagaatga cttggttgag 5520
tactcaccag tcacagaaaa gcatcttacg gatggcatga cagtaagaga attatgcagt 5580
gctgccataa ccatgagtga taacactgcg gccaacttac ttctgacaac gatcggagga 5640
ccgaaggagc taaccgcttt tttgcacaac atgggggatc atgtaactcg ccttgatcgt 5700
tgggaaccgg agctgaatga agccatacca aacgacgagc gtgacaccac gatgcctgca 5760
gcaatggcaa caacgttgcg caaactatta actggcgaac tacttactct agcttcccgg 5820
caacaattaa tagactggat ggaggcggat aaagttgcag gaccacttct gcgctcggcc 5880
cttccggctg gctggtttat tgctgataaa tctggagccg gtgagcgtgg gtctcgcggt 5940
atcattgcag cactggggcc agatggtaag ccctcccgta tcgtagttat ctacacgacg 6000
gggagtcagg caactatgga tgaacgaaat agacagatcg ctgagatagg tgcctcactg 6060
attaagcatt ggtaactgtc agaccaagtt tactcatata tactttagat tgatttaaaa 6120
cttcattttt aatttaaaag gatctaggtg aagatccttt ttgataatct catgaccaaa 6180
atcccttaac gtgagttttc gttccactga gcgtcagacc ccgtagaaaa gatcaaagga 6240
tcttcttgag atcctttttt tctgcgcgta atctgctgct tgcaaacaaa aaaaccaccg 6300
ctaccagcgg tggtttgttt gccggatcaa gagctaccaa ctctttttcc gaaggtaact 6360
ggcttcagca gagcgcagat accaaatact gtccttctag tgtagccgta gttaggccac 6420
cacttcaaga actctgtagc accgcctaca tacctcgctc tgctaatcct gttaccagtg 6480
gctgctgcca gtggcgataa gtcgtgtctt accgggttgg actcaagacg atagttaccg 6540
gataaggcgc agcggtcggg ctgaacgggg ggttcgtgca cacagcccag cttggagcga 6600
acgacctaca ccgaactgag atacctacag cgtgagctat gagaaagcgc cacgcttccc 6660
gaagggagaa aggcggacag gtatccggta agcggcaggg tcggaacagg agagcgcacg 6720
agggagcttc cagggggaaa cgcctggtat ctttatagtc ctgtcgggtt tcgccacctc 6780
tgacttgagc gtcgattttt gtgatgctcg tcaggggggc ggagcctatg gaaaaacgcc 6840
agcaacgcgg cctttttacg gttcctggcc ttttgctggc cttttgctca catgttcttt 6900
cctgcgttat cccctgattc tgtggataac cgtattaccg cctttgagtg agctgatacc 6960
gctcgccgca gccgaacgac cgagcgcagc gagtcagtga gcgaggaagc ggaagagcgc 7020
ctgatgcggt attttctcct tacgcatctg tgcggtattt cacaccgcat atggtgcact 7080
ctcagtacaa tctgctctga tgccgcatag ttaagccagt atacactccg ctatcgctac 7140
gtgactgggt catggctgcg ccccgacacc cgccaacacc cgctgacgcg ccctgacggg 7200
cttgtctgct cccggcatcc gcttacagac aagctgtgac cgtctccggg agctgcatgt 7260
gtcagaggtt ttcaccgtca tcaccgaaac gcgcgaggca gctgcggtaa agctcatcag 7320
cgtggtcgtg aagcgattca cagatgtctg cctgttcatc cgcgtccagc tcgttgagtt 7380
tctccagaag cgttaatgtc tggcttctga taaagcgggc catgttaagg gcggtttttt 7440
cctgtttggt cacttgatgc ctccgtgtaa gggggaattt ctgttcatgg gggtaatgat 7500
accgatgaaa cgagagagga tgctcacgat acgggttact gatgatgaac atgcccggtt 7560
actggaacgt tgtgagggta aacaactggc ggtatggatg cggcgggacc agagaaaaat 7620
cactcagggt caatgccagc gcttcgttaa tacagatgta ggtgttccac agggtagcca 7680
gcagcatcct gcgatgcaga tccggaacat aatggtgcag ggcgctgact tccgcgtttc 7740
cagactttac gaaacacgga aaccgaagac cattcatgtt gttgctcagg tcgcagacgt 7800
tttgcagcag cagtcgcttc acgttcgctc gcgtatcggt gattcattct gctaaccagt 7860
aaggcaaccc cgccagccta gccgggtcct caacgacagg agcacgatca tgcgcacccg 7920
tggccaggac ccaacgctgc ccgacgatga taagctgtca aacatga 7967
<210> 5
<211> 8130
<212> DNA
<213> 人工序列(Artificial Sequence)
<400> 5
gaattcccga ttatgtcttt tgcgcactcg gcttaaacca gttttcgctg gtgcgaaaaa 60
agagtgtctt gtgacaccta aattcaaaat ctatcggtca gatttatacc gatttgattt 120
tatatattct tgaataacat acgccgagtt atcacataaa agcgggaacc aatcatcaaa 180
tttaaacttc attgcataat ccattaaact cttaaattct acgattcctt gttcatcaat 240
aaactcaatc atttctttaa ttaatttata tctatctgtt gttgttttct ttaataattc 300
atcaacatct acaccgccat aaactatcat atcttctttt tgatatttaa atttattagg 360
atcgtccatg tgaagcatat atctcacaag acctttcaca cttcctgcaa tctgcggaat 420
agtcgcattc aattcttctg ttattatttt tatctgttca taagatttat taccctcata 480
catcactaga atatgataat gctctttttt catcctacct tctgtatcag tatccctatc 540
atgtaatgga gcactacaaa ttgaatgtgt aactctttta aatactctaa ccactcggct 600
ttgctgattc tggatataaa acaaatgtcc aattacgtcc tcttgaattt ttcttgtttt 660
cagtttcttt tattacattt tcgctcatga tataataacg gtgctaatac acttaacaaa 720
atttagtcat agataggcag catgccagtg ctgtctatct ttttttgttt aaaatgcacc 780
gtattcctcc tttgcatatt tttttattag aataccggtt gcatctgatt tgctaatatt 840
atatttttct ttgattctat ttaatatctc attttcttct gttgtaagtc ttaaagtaac 900
agcaactttt ttctcttctt ttctatctac aactatcact gtacctccca acatctgttt 960
ttttcacttt aacataaaaa acaacctttt aacattaaaa acccaatatt tatttatttg 1020
tttggacaat ggacaatgga cacctagggg ggaggtcgta gtacccccct atgttttctc 1080
ccctaaataa ccccaaaaat ctaagaaaaa aagacctcaa aaaggtcttt aattaacatc 1140
tcaaatttcg catttattcc aatttccttt ttgcgtgtga tgcgctgcgt ccattaaaaa 1200
tcctagagct ttgcaaccga aagttaatag ctgtcgctac tactttcgct tacgctctaa 1260
gtatatttta aggactgtca cacgcaaaaa gttttctcgg cataaaagta cctctacatc 1320
tctaaatcgt ctgtacgctg tttctcacgc tttctatcga tcccgcaaga ggcccggcag 1380
taccggcata accaagccta tgcctacagc atccagggtg acggtgccga ggatgacgat 1440
gagcgcattg ttagatttca tacacggtgc ctgactgcgt tagcaattta actgtgataa 1500
actaccgcat taaagcttgt cgacgattca caaaaaatag gcacacgaaa aacaagttaa 1560
gggatgcagt ttatgcatcc cttaacttac ttattaaata atttatagct attgacaaga 1620
gataagaatt gttcaaagct aatattgttt aaatcgtcaa ttcctgcatg ttttaaggaa 1680
ttgttaaatt gattttttgt aaatattttc ttgtattctt tgttaaccca tttcagaacg 1740
aaataattat acttttgttt atctttgtgt gatattcttg atttttttct acttaatctg 1800
ataagtgagc tattcacttt aggtttagga tgaaaatatt ctcttggaac catacttaat 1860
atagaaatat caacttctgc cattaaaagt aatgccaatg agcgttttgt atttaataat 1920
cttttagcaa acccgtattc cacgattaaa taaatctcat tagctatact atcaagaaca 1980
attttgcgta ttatatccgt acttatgtta taaggtatat taccatatat tttataggat 2040
tggtttttag gaaatttaaa ctgcaatata tccttgttta aaacttggaa attatcgtga 2100
tcaacaagtt tattttctgt agttttgcat aatttatggt ctatttcaat ggcagttacg 2160
aaattacacc tctttactaa ttcaagggta aaatggcctt ttcctgagcc gatttcaaag 2220
atattatcat gttcatttaa tcttatattt gtcattattt tatctatatt atgttttgaa 2280
gtaataaagt tttgactgtg ttttatattt ttctcgttca ttataaccct ctttaatttg 2340
gttatatgaa ttttgcttat taacgattca ttataaccac ttattttttg tttggttgat 2400
aatgaactgt gctgattaca aaaatactaa aaatgcccat attttttcct ccttataaaa 2460
ttagtataat tatagcacga gctctgataa atatgaacat gatgagtgat cgttaaattt 2520
atactgcaat cggatgcgat tattgaataa aagatatgag agatttatct aatttctttt 2580
ttcttgtaaa aaaagaaagt tcttaaaggt tttatagttt tggtcgtaga gcacacggtt 2640
taacgactta attacgaagt aaataagtct agtgtgttag actttatgaa atctttatac 2700
gtttatatat atttattatc cggaggtgta gcatgtctca ttcaattttg agggttgcca 2760
gagttaaagg atcaagtaat acaaacggga tacaaagaca taatcaaaga gagaataaaa 2820
actataataa taaagacata aatcatgagg aaacatataa aaattatgat ttgattaacg 2880
cacaaaatat aaagtataaa gataaaattg atgaaacgat tgatgagaat tattcaggga 2940
aacgtaaaat tcggtcagat gcaattcgcc ccgggactag ttaaaggtgg agaaattgat 3000
tcgtttgtcc attatggctt gaattgcaat aatgcctttt gggatggcca agaaattctt 3060
tatggagatg gggacaaaaa gaatttcaaa ccattttcat gcgccaaaac tattgttggt 3120
catgaactaa cgcatgcagt tatccagtat tcggcgggat tggaatacga agggcaatca 3180
ggtgcgctaa acgagtcgtt cgccgatgtt tttggttatt ttattgcgcc aaatcattgg 3240
ttgattggtg aggatgtctg tgtgcgtggg tcgcgagatg ggcgaataag aagcattaaa 3300
gatcctgaca aatataatca agcggctcat atgaaggatt acgaatcgct tccaatcaca 3360
gaggaaggcg actggggcgg agttcattat aatagtggta tcccgaataa agcagcctat 3420
aatactatca ctaaacttgg aaaagaaaaa acagaacagc gacgatttcg cgccttaaag 3480
tactatttaa cgaaaaaagc ccagtttacc gatgcgaaaa aagcgcttca acaagcagcg 3540
aaagatttat atggtgaaga tgcttctaaa aaagttgctg aagcttggga agcggtagga 3600
gttaactgag cggccgctaa taatcttgcg cttcgatgac aacagctgta ccagatgcag 3660
tgaccattag cattccgtta tcagctccaa gcacttcata atcaatatca acaccgataa 3720
cggcatttgc gccaatatct ttcgcacgtt gttccatttc acgaattgct tcctcgcgag 3780
cattaataag ttcatcttca tagccttgcg aacggccccc gaagaaattt cgaagtccag 3840
ccccaatatc tttcataaag ttaacgccag tgatgacttc gccgaaaacg atttttttat 3900
attcgataat ttgtttgcct tcaatatttg gtgaagttgt tacaatcatg agttatccct 3960
acagtttttc ttttatcata cctcttagta ctttttctag tcaaaggata tccggttatt 4020
tcgtacgatt tcgcgctttt tctatataag aaatagcatc tggaacttta caagctgtat 4080
ttccaaggtt tacatgaact ttcccgactg atttcgcggc ttccatcgct ttttcgtgca 4140
aatcgtcttt gtaaattcca caagtgataa taaaaccgtt cattgaatag cgggttctat 4200
tggtttctgt ttgcagcgtt tctttcgcgc gttgaagtaa tgtctctgct tcaggcaaat 4260
tgttaatatg ttcgctgtaa atctgccagc ccatggattt agttaaatca taatcacttt 4320
caatccatgt tttggcgaaa aggagtgcat catcacgttt gcttacaatc gatgctagtc 4380
caaaagttag ttgtgaccat gtttcgcgaa aagcgatatt ccatttttcg atttgttcgg 4440
tggttatttt gtttggatta attgctagca aaccgagata aatcaagtca ctattatttg 4500
attcaatcag ttttacggcg agttcgtgat tttttgtcag tttttctcgg cggatgattt 4560
tctttaaatc accaattttt agtccgtaaa gatctaatga atccggacaa ccgtgattac 4620
gaaaaatttt gatcgtattg gggttttcta aggcttgtag ctcggtgtca agttggtcaa 4680
aagtaatcat acgcgtcact cctctcgaat aaagtaagta taacaaaaaa agcatgcgaa 4740
ggcgcatgct ttaggattta agaatattag tctatttgtt tcattgcgtc gttctagaac 4800
ttttttaagt gtatctgcgg agtttttcat ttgttctttt tctttgtcat ttaagttcat 4860
ttcaacaata tggcgaacgc cttgacggtt aacgactgct ggtgcaccta tataaatatc 4920
gttcataccg taatggccat ctaaataaac agaaagtggc aaaatcgcat tttcgttatt 4980
tagaattgct tttgtaatac gagcaagagc tgcagcaacg ccgtagaatg tagcgccttt 5040
tttattaata atttcataag ctgcatcacg aacacttacg aaaatagtat ccattgcacc 5100
ttgttcatct tcgctaatcc attcagtaat tggaaggccg ccgacagttg tgtggctcca 5160
tgctgggaat tcttgaagac gaaagggcct cgtgatacgc ctatttttat aggttaatgt 5220
catgataata atggtttctt agacgtcagg tggcactttt cggggaaatg tgcgcggaac 5280
ccctatttgt ttatttttct aaatacattc aaatatgtat ccgctcatga gacaataacc 5340
ctgataaatg cttcaataat attgaaaaag gaagagtatg agtattcaac atttccgtgt 5400
cgcccttatt cccttttttg cggcattttg ccttcctgtt tttgctcacc cagaaacgct 5460
ggtgaaagta aaagatgctg aagatcagtt gggtgcacga gtgggttaca tcgaactgga 5520
tctcaacagc ggtaagatcc ttgagagttt tcgccccgaa gaacgttttc caatgatgag 5580
cacttttaaa gttctgctat gtggcgcggt attatcccgt gttgacgccg ggcaagagca 5640
actcggtcgc cgcatacact attctcagaa tgacttggtt gagtactcac cagtcacaga 5700
aaagcatctt acggatggca tgacagtaag agaattatgc agtgctgcca taaccatgag 5760
tgataacact gcggccaact tacttctgac aacgatcgga ggaccgaagg agctaaccgc 5820
ttttttgcac aacatggggg atcatgtaac tcgccttgat cgttgggaac cggagctgaa 5880
tgaagccata ccaaacgacg agcgtgacac cacgatgcct gcagcaatgg caacaacgtt 5940
gcgcaaacta ttaactggcg aactacttac tctagcttcc cggcaacaat taatagactg 6000
gatggaggcg gataaagttg caggaccact tctgcgctcg gcccttccgg ctggctggtt 6060
tattgctgat aaatctggag ccggtgagcg tgggtctcgc ggtatcattg cagcactggg 6120
gccagatggt aagccctccc gtatcgtagt tatctacacg acggggagtc aggcaactat 6180
ggatgaacga aatagacaga tcgctgagat aggtgcctca ctgattaagc attggtaact 6240
gtcagaccaa gtttactcat atatacttta gattgattta aaacttcatt tttaatttaa 6300
aaggatctag gtgaagatcc tttttgataa tctcatgacc aaaatccctt aacgtgagtt 6360
ttcgttccac tgagcgtcag accccgtaga aaagatcaaa ggatcttctt gagatccttt 6420
ttttctgcgc gtaatctgct gcttgcaaac aaaaaaacca ccgctaccag cggtggtttg 6480
tttgccggat caagagctac caactctttt tccgaaggta actggcttca gcagagcgca 6540
gataccaaat actgtccttc tagtgtagcc gtagttaggc caccacttca agaactctgt 6600
agcaccgcct acatacctcg ctctgctaat cctgttacca gtggctgctg ccagtggcga 6660
taagtcgtgt cttaccgggt tggactcaag acgatagtta ccggataagg cgcagcggtc 6720
gggctgaacg gggggttcgt gcacacagcc cagcttggag cgaacgacct acaccgaact 6780
gagataccta cagcgtgagc tatgagaaag cgccacgctt cccgaaggga gaaaggcgga 6840
caggtatccg gtaagcggca gggtcggaac aggagagcgc acgagggagc ttccaggggg 6900
aaacgcctgg tatctttata gtcctgtcgg gtttcgccac ctctgacttg agcgtcgatt 6960
tttgtgatgc tcgtcagggg ggcggagcct atggaaaaac gccagcaacg cggccttttt 7020
acggttcctg gccttttgct ggccttttgc tcacatgttc tttcctgcgt tatcccctga 7080
ttctgtggat aaccgtatta ccgcctttga gtgagctgat accgctcgcc gcagccgaac 7140
gaccgagcgc agcgagtcag tgagcgagga agcggaagag cgcctgatgc ggtattttct 7200
ccttacgcat ctgtgcggta tttcacaccg catatggtgc actctcagta caatctgctc 7260
tgatgccgca tagttaagcc agtatacact ccgctatcgc tacgtgactg ggtcatggct 7320
gcgccccgac acccgccaac acccgctgac gcgccctgac gggcttgtct gctcccggca 7380
tccgcttaca gacaagctgt gaccgtctcc gggagctgca tgtgtcagag gttttcaccg 7440
tcatcaccga aacgcgcgag gcagctgcgg taaagctcat cagcgtggtc gtgaagcgat 7500
tcacagatgt ctgcctgttc atccgcgtcc agctcgttga gtttctccag aagcgttaat 7560
gtctggcttc tgataaagcg ggccatgtta agggcggttt tttcctgttt ggtcacttga 7620
tgcctccgtg taagggggaa tttctgttca tgggggtaat gataccgatg aaacgagaga 7680
ggatgctcac gatacgggtt actgatgatg aacatgcccg gttactggaa cgttgtgagg 7740
gtaaacaact ggcggtatgg atgcggcggg accagagaaa aatcactcag ggtcaatgcc 7800
agcgcttcgt taatacagat gtaggtgttc cacagggtag ccagcagcat cctgcgatgc 7860
agatccggaa cataatggtg cagggcgctg acttccgcgt ttccagactt tacgaaacac 7920
ggaaaccgaa gaccattcat gttgttgctc aggtcgcaga cgttttgcag cagcagtcgc 7980
ttcacgttcg ctcgcgtatc ggtgattcat tctgctaacc agtaaggcaa ccccgccagc 8040
ctagccgggt cctcaacgac aggagcacga tcatgcgcac ccgtggccag gacccaacgc 8100
tgcccgacga tgataagctg tcaaacatga 8130
<210> 6
<211> 12118
<212> DNA
<213> 人工序列(Artificial Sequence)
<400> 6
gaattcccga ttatgtcttt tgcgcactcg gcttaaacca gttttcgctg gtgcgaaaaa 60
agagtgtctt gtgacaccta aattcaaaat ctatcggtca gatttatacc gatttgattt 120
tatatattct tgaataacat acgccgagtt atcacataaa agcgggaacc aatcatcaaa 180
tttaaacttc attgcataat ccattaaact cttaaattct acgattcctt gttcatcaat 240
aaactcaatc atttctttaa ttaatttata tctatctgtt gttgttttct ttaataattc 300
atcaacatct acaccgccat aaactatcat atcttctttt tgatatttaa atttattagg 360
atcgtccatg tgaagcatat atctcacaag acctttcaca cttcctgcaa tctgcggaat 420
agtcgcattc aattcttctg ttattatttt tatctgttca taagatttat taccctcata 480
catcactaga atatgataat gctctttttt catcctacct tctgtatcag tatccctatc 540
atgtaatgga gcactacaaa ttgaatgtgt aactctttta aatactctaa ccactcggct 600
ttgctgattc tggatataaa acaaatgtcc aattacgtcc tcttgaattt ttcttgtttt 660
cagtttcttt tattacattt tcgctcatga tataataacg gtgctaatac acttaacaaa 720
atttagtcat agataggcag catgccagtg ctgtctatct ttttttgttt aaaatgcacc 780
gtattcctcc tttgcatatt tttttattag aataccggtt gcatctgatt tgctaatatt 840
atatttttct ttgattctat ttaatatctc attttcttct gttgtaagtc ttaaagtaac 900
agcaactttt ttctcttctt ttctatctac aactatcact gtacctccca acatctgttt 960
ttttcacttt aacataaaaa acaacctttt aacattaaaa acccaatatt tatttatttg 1020
tttggacaat ggacaatgga cacctagggg ggaggtcgta gtacccccct atgttttctc 1080
ccctaaataa ccccaaaaat ctaagaaaaa aagacctcaa aaaggtcttt aattaacatc 1140
tcaaatttcg catttattcc aatttccttt ttgcgtgtga tgcgctgcgt ccattaaaaa 1200
tcctagagct ttgcaaccga aagttaatag ctgtcgctac tactttcgct tacgctctaa 1260
gtatatttta aggactgtca cacgcaaaaa gttttctcgg cataaaagta cctctacatc 1320
tctaaatcgt ctgtacgctg tttctcacgc tttctatcga tcccgcaaga ggcccggcag 1380
taccggcata accaagccta tgcctacagc atccagggtg acggtgccga ggatgacgat 1440
gagcgcattg ttagatttca tacacggtgc ctgactgcgt tagcaattta actgtgataa 1500
actaccgcat taaagcttgt cgacgattca caaaaaatag gcacacgaaa aacaagttaa 1560
gggatgcagt ttatgcatcc cttaacttac ttattaaata atttatagct attgacaaga 1620
gataagaatt gttcaaagct aatattgttt aaatcgtcaa ttcctgcatg ttttaaggaa 1680
ttgttaaatt gattttttgt aaatattttc ttgtattctt tgttaaccca tttcagaacg 1740
aaataattat acttttgttt atctttgtgt gatattcttg atttttttct acttaatctg 1800
ataagtgagc tattcacttt aggtttagga tgaaaatatt ctcttggaac catacttaat 1860
atagaaatat caacttctgc cattaaaagt aatgccaatg agcgttttgt atttaataat 1920
cttttagcaa acccgtattc cacgattaaa taaatctcat tagctatact atcaagaaca 1980
attttgcgta ttatatccgt acttatgtta taaggtatat taccatatat tttataggat 2040
tggtttttag gaaatttaaa ctgcaatata tccttgttta aaacttggaa attatcgtga 2100
tcaacaagtt tattttctgt agttttgcat aatttatggt ctatttcaat ggcagttacg 2160
aaattacacc tctttactaa ttcaagggta aaatggcctt ttcctgagcc gatttcaaag 2220
atattatcat gttcatttaa tcttatattt gtcattattt tatctatatt atgttttgaa 2280
gtaataaagt tttgactgtg ttttatattt ttctcgttca ttataaccct ctttaatttg 2340
gttatatgaa ttttgcttat taacgattca ttataaccac ttattttttg tttggttgat 2400
aatgaactgt gctgattaca aaaatactaa aaatgcccat attttttcct ccttataaaa 2460
ttagtataat tatagcacga gctctgataa atatgaacat gatgagtgat cgttaaattt 2520
atactgcaat cggatgcgat tattgaataa aagatatgag agatttatct aatttctttt 2580
ttcttgtaaa aaaagaaagt tcttaaaggt tttatagttt tggtcgtaga gcacacggtt 2640
taacgactta attacgaagt aaataagtct agtgtgttag actttatgaa atctttatac 2700
gtttatatat atttattatc cggaggtgta gcatgtctca ttcaattttg agggttgcca 2760
gagttaaagg atcaagtaat acaaacggga tacaaagaca taatcaaaga gagaataaaa 2820
actataataa taaagacata aatcatgagg aaacatataa aaattatgat ttgattaacg 2880
cacaaaatat aaagtataaa gataaaattg atgaaacgat tgatgagaat tattcaggga 2940
aacgtaaaat tcggtcagat gcaattcgcc ccgggactag ttaaaggtgg agaaattgat 3000
tcgtttgtcc attatggctt gaattgcaat aatgcctttt gggatggcca agaaattctt 3060
tatggagatg gggacaaaaa gaatttcaaa ccattttcat gcgccaaaac tattgttggt 3120
catgaactaa cgcatgcagt tatccagtat tcggcgggat tggaatacga agggcaatca 3180
ggtgcgctaa acgagtcgtt cgccgatgtt tttggttatt ttattgcgcc aaatcattgg 3240
ttgattggtg aggatgtctg tgtgcgtggg tcgcgagatg ggcgaataag aagcattaaa 3300
gatcctgaca aatataatca agcggctcat atgaaggatt acgaatcgct tccaatcaca 3360
gaggaaggcg actggggcgg agttcattat aatagtggta tcccgaataa agcagcctat 3420
aatactatca ctaaacttgg aaaagaaaaa acagaacagc gacgatttcg cgccttaaag 3480
tactatttaa cgaaaaaagc ccagtttacc gatgcgaaaa aagcgcttca acaagcagcg 3540
aaagatttat atggtgaaga tgcttctaaa aaagttgctg aagcttggga agcggtagga 3600
gttaactgag cggccgctag ctttaaggct aaatgccgaa tggttggcac ctaccgcatt 3660
ggcaaccgtg gcagaagagg gcgcatccgt tttggcgaaa aagagtaaaa cggcgaggat 3720
gagtgcacag ccagagccca gccagaaaac aaactgatta ttgatggtga acatgatgcc 3780
gacaatcgag gcacacagcg cccagccaac acagccaaac atccgcgcgc gaccaaattc 3840
gaaattactg cgacggctga ctttctcaat aaatgcctct actgctggcg caccggcgtt 3900
aaaacaaaag cctagataaa taccaccaac aatcgatcct actaaaatgt tgtattgtaa 3960
cagtggcccg aagataaaaa taaagaacgg cgcaaacatc actaacatgc cggtaataat 4020
ccacagcagg tatttgcgca gcccgagttt gtcagaaagc agaccaaaca gcggttggaa 4080
taatagcgag aacagagaaa tagcggcaaa aataataccc gtatcacttt tgctgatatg 4140
gttgatgtca tgtagccaaa tcgggaaaaa cgggaagtag gctcccatga taaaaaagta 4200
aaagaaaaag aataaaccga acatccaaaa gtttgtgttt tttaaatagt acataatgga 4260
tttccttacg cgaaatacgg gcagacatgg cctgcccggt tattattatt tttgacacca 4320
gaccaactgg taatggtagc gaccggcgct cagctggaat taattccgcc gatactgacg 4380
ggctccagga gtcgtcgcca ccaatcccca tatggaaacc gtcgatattc agccatgtgc 4440
cttcttccgc gtgcagcaga tggcgatggc tggtttccat cagttgctgt tgactgtagc 4500
ggctgatgtt gaactggaag tcgccgcgcc actggtgtgg gccataattc aattcgcgcg 4560
tcccgcagcg cagaccgttt tcgctcggga agacgtacgg ggtatacatg tctgacaatg 4620
gcagatccca gcggtcaaaa caggcggcag taaggcggtc gggatagttt tcttgcggcc 4680
ctaatccgag ccagtttacc cgctctgcta cctgcgccag ctggcagttc aggccaatcc 4740
gcgccggatg cggtgtatcg ctcgccactt caacatcaac ggtaatcgcc atttgaccac 4800
taccatcaat ccggtaggtt ttccggctga taaataaggt tttcccctga tgctgccacg 4860
cgtgagcggt cgtaatcagc accgcatcag caagtgtatc tgccgtgcac tgcaacaacg 4920
ctgcttcggc ctggtaatgg cccgccgcct tccagcgttc gacccaggcg ttagggtcaa 4980
tgcgggtcgc ttcacttacg ccaatgtcgt tatccagcgg tgcacgggtg aactgatcgc 5040
gcagcggcgt cagcagttgt tttttatcgc caatccacat ctgtgaaaga aagcctgact 5100
ggcggttaaa ttgccaacgc ttattaccca gctcgatgca aaaatccatt tcgctggtgg 5160
tcagatgcgg gatggcgtgg gacgcggcgg ggagcgtcac actgaggttt tccgccagac 5220
gccactgctg ccaggcgctg atgtgcccgg cttctgacca tgcggtcgcg ttcggttgca 5280
ctacgcgtac tgtgagccag agttgcccgg cgctctccgg ctgcggtagt tcaggcagtt 5340
caatcaactg tttaccttgt ggagcgacat ccagaggcac ttcaccgctt gccagcggct 5400
taccatccag cgccaccatc cagtgcagga gctcgttatc gctatgacgg aacaggtatt 5460
cgctggtcac ttcgatggtt tgcccggata aacggaactg gaaaaactgc tgctggtgtt 5520
ttgcttccgt cagcgctgga tgcggcgtgc ggtcggcaaa gaccagaccg ttcatacaga 5580
actggcgatc gttcggcgta tcgccaaaat caccgccgta agccgaccac gggttgccgt 5640
tttcatcata tttaatcagc gactgatcca cccagtccca gacgaagccg ccctgtaaac 5700
ggggatactg acgaaacgcc tgccagtatt tagcgaaacc gccaagactg ttacccatcg 5760
cgtgggcgta ttcgcaaagg atcagcgggc gcgtctctcc aggtagcgaa agccattttt 5820
tgatggacca tttcggcaca gccgggaagg gctggtcttc atccacgcgc gcgtacatcg 5880
ggcaaataat atcggtggcc gtggtgtcgg ctccgccgcc ttcatactgc accgggcggg 5940
aaggatcgac agatttgatc cagcgataca gcgcgtcgtg attagcgccg tggcctgatt 6000
cattccccag cgaccagatg atcacactcg ggtgattacg atcgcgctgc accattcgcg 6060
ttacgcgttc gctcatcgcc ggtagccagc gcggatcatc ggtcagacga ttcattggca 6120
ccatgccgtg ggtttcaata ttggcttcat ccaccacata caggccgtag cggtcgcaca 6180
gcgtgtacca cagcggatgg ttcggataat gcgaacagcg cacggcgtta aagttgttct 6240
gcttcatcag caggatatcc tgcaccatcg tctgctcatc catgacctga ccatgcagag 6300
gatgatgctc gtgacggtta acgcctcgaa tcagcaacgg cttgccgttc agcagcagca 6360
gaccattttc aatccgcacc tcgcggaaac cgacatcgca ggcttctgct tcaatcagcg 6420
tgccgtcggc ggtgtgcagt tcaaccaccg cacgatagag attcgggatt tcggcgctcc 6480
acagtttcgg gttttcgacg ttcagacgta gtgtgacgcg atcggcataa ccaccacgct 6540
catcgataat ttcaccgccg aaaggcgcgg tgccgctggc gacctgcgtt tcaccctgcc 6600
ataaagaaac tgttacccgt aggtagtcac gcaactcgcc gcacatctga acttcagcct 6660
ccagtacagc gcggctgaaa tcatcattaa agcgagtggc aacatggaaa tcgctgattt 6720
gtgtagtcgg tttatgcagc aacgagacgt cacggaaaat gccgctcatc cgccacatat 6780
cctgatcttc cagataactg ccgtcactcc aacgcagcac catcaccgcg aggcggtttt 6840
ctccggcgcg taaaaatgcg ctcaggtcaa attcagacgg caaacgactg tcctggccgt 6900
aaccgaccca gcgcccgttg caccacagat gaaacgccga gttaacgcca tcaaaaataa 6960
ttcgcgtctg gccttcctgt agccagcttt catcaacatt aaatgtgagc gagtaacaac 7020
ccgtcggatt ctccgtggga acaaacggcg gattgaccgt aatgggatag gttacgttgg 7080
tgtagatggg cgcatcgtaa ccgtgcatct gccagtttga ggggacgacg acagtatcgg 7140
cctcaggaag atcgcactcc agccagcttt ccggcaccgc ttctggtgcc ggaaaccagg 7200
caaagcgcca ttcgccattc aggctgcgca actgttggga agggcgatcg gtgcgggcct 7260
cttcgctatt acgccagctg gcgaaagggg gatgtgctgc aaggcgatta agttgggtaa 7320
cgccagggtt ttcccagtca cgacgttgta aaacgacggg atccataaaa actagcatta 7380
tttttttcat gggtttcact ctccttctac attttttaac ctaataatgc caaataccgt 7440
ttgccacccc tctcttttga taattataat attggcgaaa ttcgcttcta aagatgaaac 7500
gcaatattat atgcttgctt tatagcttta ttctagtcct gctgtccctt tatcgtcgtt 7560
aacaaatgtt aatgcctcaa cataaaagtc actctaggcg gccgctaata atcttgcgct 7620
tcgatgacaa cagctgtacc agatgcagtg accattagca ttccgttatc agctccaagc 7680
acttcataat caatatcaac accgataacg gcatttgcgc caatatcttt cgcacgttgt 7740
tccatttcac gaattgcttc ctcgcgagca ttaataagtt catcttcata gccttgcgaa 7800
cggcccccga agaaatttcg aagtccagcc ccaatatctt tcataaagtt aacgccagtg 7860
atgacttcgc cgaaaacgat ttttttatat tcgataattt gtttgccttc aatatttggt 7920
gaagttgtta caatcatgag ttatccctac agtttttctt ttatcatacc tcttagtact 7980
ttttctagtc aaaggatatc cggttatttc gtacgatttc gcgctttttc tatataagaa 8040
atagcatctg gaactttaca agctgtattt ccaaggttta catgaacttt cccgactgat 8100
ttcgcggctt ccatcgcttt ttcgtgcaaa tcgtctttgt aaattccaca agtgataata 8160
aaaccgttca ttgaatagcg ggttctattg gtttctgttt gcagcgtttc tttcgcgcgt 8220
tgaagtaatg tctctgcttc aggcaaattg ttaatatgtt cgctgtaaat ctgccagccc 8280
atggatttag ttaaatcata atcactttca atccatgttt tggcgaaaag gagtgcatca 8340
tcacgtttgc ttacaatcga tgctagtcca aaagttagtt gtgaccatgt ttcgcgaaaa 8400
gcgatattcc atttttcgat ttgttcggtg gttattttgt ttggattaat tgctagcaaa 8460
ccgagataaa tcaagtcact attatttgat tcaatcagtt ttacggcgag ttcgtgattt 8520
tttgtcagtt tttctcggcg gatgattttc tttaaatcac caatttttag tccgtaaaga 8580
tctaatgaat ccggacaacc gtgattacga aaaattttga tcgtattggg gttttctaag 8640
gcttgtagct cggtgtcaag ttggtcaaaa gtaatcatac gcgtcactcc tctcgaataa 8700
agtaagtata acaaaaaaag catgcgaagg cgcatgcttt aggatttaag aatattagtc 8760
tatttgtttc attgcgtcgt tctagaactt ttttaagtgt atctgcggag tttttcattt 8820
gttctttttc tttgtcattt aagttcattt caacaatatg gcgaacgcct tgacggttaa 8880
cgactgctgg tgcacctata taaatatcgt tcataccgta atggccatct aaataaacag 8940
aaagtggcaa aatcgcattt tcgttattta gaattgcttt tgtaatacga gcaagagctg 9000
cagcaacgcc gtagaatgta gcgccttttt tattaataat ttcataagct gcatcacgaa 9060
cacttacgaa aatagtatcc attgcacctt gttcatcttc gctaatccat tcagtaattg 9120
gaaggccgcc gacagttgtg tggctccatg ctgggaattc ttgaagacga aagggcctcg 9180
tgatacgcct atttttatag gttaatgtca tgataataat ggtttcttag acgtcaggtg 9240
gcacttttcg gggaaatgtg cgcggaaccc ctatttgttt atttttctaa atacattcaa 9300
atatgtatcc gctcatgaga caataaccct gataaatgct tcaataatat tgaaaaagga 9360
agagtatgag tattcaacat ttccgtgtcg cccttattcc cttttttgcg gcattttgcc 9420
ttcctgtttt tgctcaccca gaaacgctgg tgaaagtaaa agatgctgaa gatcagttgg 9480
gtgcacgagt gggttacatc gaactggatc tcaacagcgg taagatcctt gagagttttc 9540
gccccgaaga acgttttcca atgatgagca cttttaaagt tctgctatgt ggcgcggtat 9600
tatcccgtgt tgacgccggg caagagcaac tcggtcgccg catacactat tctcagaatg 9660
acttggttga gtactcacca gtcacagaaa agcatcttac ggatggcatg acagtaagag 9720
aattatgcag tgctgccata accatgagtg ataacactgc ggccaactta cttctgacaa 9780
cgatcggagg accgaaggag ctaaccgctt ttttgcacaa catgggggat catgtaactc 9840
gccttgatcg ttgggaaccg gagctgaatg aagccatacc aaacgacgag cgtgacacca 9900
cgatgcctgc agcaatggca acaacgttgc gcaaactatt aactggcgaa ctacttactc 9960
tagcttcccg gcaacaatta atagactgga tggaggcgga taaagttgca ggaccacttc 10020
tgcgctcggc ccttccggct ggctggttta ttgctgataa atctggagcc ggtgagcgtg 10080
ggtctcgcgg tatcattgca gcactggggc cagatggtaa gccctcccgt atcgtagtta 10140
tctacacgac ggggagtcag gcaactatgg atgaacgaaa tagacagatc gctgagatag 10200
gtgcctcact gattaagcat tggtaactgt cagaccaagt ttactcatat atactttaga 10260
ttgatttaaa acttcatttt taatttaaaa ggatctaggt gaagatcctt tttgataatc 10320
tcatgaccaa aatcccttaa cgtgagtttt cgttccactg agcgtcagac cccgtagaaa 10380
agatcaaagg atcttcttga gatccttttt ttctgcgcgt aatctgctgc ttgcaaacaa 10440
aaaaaccacc gctaccagcg gtggtttgtt tgccggatca agagctacca actctttttc 10500
cgaaggtaac tggcttcagc agagcgcaga taccaaatac tgtccttcta gtgtagccgt 10560
agttaggcca ccacttcaag aactctgtag caccgcctac atacctcgct ctgctaatcc 10620
tgttaccagt ggctgctgcc agtggcgata agtcgtgtct taccgggttg gactcaagac 10680
gatagttacc ggataaggcg cagcggtcgg gctgaacggg gggttcgtgc acacagccca 10740
gcttggagcg aacgacctac accgaactga gatacctaca gcgtgagcta tgagaaagcg 10800
ccacgcttcc cgaagggaga aaggcggaca ggtatccggt aagcggcagg gtcggaacag 10860
gagagcgcac gagggagctt ccagggggaa acgcctggta tctttatagt cctgtcgggt 10920
ttcgccacct ctgacttgag cgtcgatttt tgtgatgctc gtcagggggg cggagcctat 10980
ggaaaaacgc cagcaacgcg gcctttttac ggttcctggc cttttgctgg ccttttgctc 11040
acatgttctt tcctgcgtta tcccctgatt ctgtggataa ccgtattacc gcctttgagt 11100
gagctgatac cgctcgccgc agccgaacga ccgagcgcag cgagtcagtg agcgaggaag 11160
cggaagagcg cctgatgcgg tattttctcc ttacgcatct gtgcggtatt tcacaccgca 11220
tatggtgcac tctcagtaca atctgctctg atgccgcata gttaagccag tatacactcc 11280
gctatcgcta cgtgactggg tcatggctgc gccccgacac ccgccaacac ccgctgacgc 11340
gccctgacgg gcttgtctgc tcccggcatc cgcttacaga caagctgtga ccgtctccgg 11400
gagctgcatg tgtcagaggt tttcaccgtc atcaccgaaa cgcgcgaggc agctgcggta 11460
aagctcatca gcgtggtcgt gaagcgattc acagatgtct gcctgttcat ccgcgtccag 11520
ctcgttgagt ttctccagaa gcgttaatgt ctggcttctg ataaagcggg ccatgttaag 11580
ggcggttttt tcctgtttgg tcacttgatg cctccgtgta agggggaatt tctgttcatg 11640
ggggtaatga taccgatgaa acgagagagg atgctcacga tacgggttac tgatgatgaa 11700
catgcccggt tactggaacg ttgtgagggt aaacaactgg cggtatggat gcggcgggac 11760
cagagaaaaa tcactcaggg tcaatgccag cgcttcgtta atacagatgt aggtgttcca 11820
cagggtagcc agcagcatcc tgcgatgcag atccggaaca taatggtgca gggcgctgac 11880
ttccgcgttt ccagacttta cgaaacacgg aaaccgaaga ccattcatgt tgttgctcag 11940
gtcgcagacg ttttgcagca gcagtcgctt cacgttcgct cgcgtatcgg tgattcattc 12000
tgctaaccag taaggcaacc ccgccagcct agccgggtcc tcaacgacag gagcacgatc 12060
atgcgcaccc gtggccagga cccaacgctg cccgacgatg ataagctgtc aaacatga 12118
<210> 7
<211> 21
<212> DNA
<213> 人工序列(Artificial Sequence)
<400> 7
catcaaaaac gtacagcaat g 21
<210> 8
<211> 21
<212> DNA
<213> 人工序列(Artificial Sequence)
<400> 8
tggtttttga gaacaaattg g 21
<210> 9
<211> 27
<212> DNA
<213> 人工序列(Artificial Sequence)
<400> 9
gataagtcga cgattcacaa aaaatag 27
<210> 10
<211> 23
<212> DNA
<213> 人工序列(Artificial Sequence)
<400> 10
aaaactagtc ccggggcgaa ttg 23
<210> 11
<211> 23
<212> DNA
<213> 人工序列(Artificial Sequence)
<400> 11
gctataaatg aagaggcttc agg 23
<210> 12
<211> 22
<212> DNA
<213> 人工序列(Artificial Sequence)
<400> 12
ctcttaaatc agctaggcga tc 22
<210> 13
<211> 9285
<212> DNA
<213> 人工序列(Artificial Sequence)
<400> 13
gaattcccga ttatgtcttt tgcgcactcg gcttaaacca gttttcgctg gtgcgaaaaa 60
agagtgtctt gtgacaccta aattcaaaat ctatcggtca gatttatacc gatttgattt 120
tatatattct tgaataacat acgccgagtt atcacataaa agcgggaacc aatcatcaaa 180
tttaaacttc attgcataat ccattaaact cttaaattct acgattcctt gttcatcaat 240
aaactcaatc atttctttaa ttaatttata tctatctgtt gttgttttct ttaataattc 300
atcaacatct acaccgccat aaactatcat atcttctttt tgatatttaa atttattagg 360
atcgtccatg tgaagcatat atctcacaag acctttcaca cttcctgcaa tctgcggaat 420
agtcgcattc aattcttctg ttattatttt tatctgttca taagatttat taccctcata 480
catcactaga atatgataat gctctttttt catcctacct tctgtatcag tatccctatc 540
atgtaatgga gcactacaaa ttgaatgtgt aactctttta aatactctaa ccactcggct 600
ttgctgattc tggatataaa acaaatgtcc aattacgtcc tcttgaattt ttcttgtttt 660
cagtttcttt tattacattt tcgctcatga tataataacg gtgctaatac acttaacaaa 720
atttagtcat agataggcag catgccagtg ctgtctatct ttttttgttt aaaatgcacc 780
gtattcctcc tttgcatatt tttttattag aataccggtt gcatctgatt tgctaatatt 840
atatttttct ttgattctat ttaatatctc attttcttct gttgtaagtc ttaaagtaac 900
agcaactttt ttctcttctt ttctatctac aactatcact gtacctccca acatctgttt 960
ttttcacttt aacataaaaa acaacctttt aacattaaaa acccaatatt tatttatttg 1020
tttggacaat ggacaatgga cacctagggg ggaggtcgta gtacccccct atgttttctc 1080
ccctaaataa ccccaaaaat ctaagaaaaa aagacctcaa aaaggtcttt aattaacatc 1140
tcaaatttcg catttattcc aatttccttt ttgcgtgtga tgcgctgcgt ccattaaaaa 1200
tcctagagct ttgcaaccga aagttaatag ctgtcgctac tactttcgct tacgctctaa 1260
gtatatttta aggactgtca cacgcaaaaa gttttctcgg cataaaagta cctctacatc 1320
tctaaatcgt ctgtacgctg tttctcacgc tttctatcga tcccgcaaga ggcccggcag 1380
taccggcata accaagccta tgcctacagc atccagggtg acggtgccga ggatgacgat 1440
gagcgcattg ttagatttca tacacggtgc ctgactgcgt tagcaattta actgtgataa 1500
actaccgcat taaagcttgt cgacgattca caaaaaatag gcacacgaaa aacaagttaa 1560
gggatgcagt ttatgcatcc cttaacttac ttattaaata atttatagct attgacaaga 1620
gataagaatt gttcaaagct aatattgttt aaatcgtcaa ttcctgcatg ttttaaggaa 1680
ttgttaaatt gattttttgt aaatattttc ttgtattctt tgttaaccca tttcagaacg 1740
aaataattat acttttgttt atctttgtgt gatattcttg atttttttct acttaatctg 1800
ataagtgagc tattcacttt aggtttagga tgaaaatatt ctcttggaac catacttaat 1860
atagaaatat caacttctgc cattaaaagt aatgccaatg agcgttttgt atttaataat 1920
cttttagcaa acccgtattc cacgattaaa taaatctcat tagctatact atcaagaaca 1980
attttgcgta ttatatccgt acttatgtta taaggtatat taccatatat tttataggat 2040
tggtttttag gaaatttaaa ctgcaatata tccttgttta aaacttggaa attatcgtga 2100
tcaacaagtt tattttctgt agttttgcat aatttatggt ctatttcaat ggcagttacg 2160
aaattacacc tctttactaa ttcaagggta aaatggcctt ttcctgagcc gatttcaaag 2220
atattatcat gttcatttaa tcttatattt gtcattattt tatctatatt atgttttgaa 2280
gtaataaagt tttgactgtg ttttatattt ttctcgttca ttataaccct ctttaatttg 2340
gttatatgaa ttttgcttat taacgattca ttataaccac ttattttttg tttggttgat 2400
aatgaactgt gctgattaca aaaatactaa aaatgcccat attttttcct ccttataaaa 2460
ttagtataat tatagcacga gctctgataa atatgaacat gatgagtgat cgttaaattt 2520
atactgcaat cggatgcgat tattgaataa aagatatgag agatttatct aatttctttt 2580
ttcttgtaaa aaaagaaagt tcttaaaggt tttatagttt tggtcgtaga gcacacggtt 2640
taacgactta attacgaagt aaataagtct agtgtgttag actttatgaa atctttatac 2700
gtttatatat atttattatc cggaggtgta gcatgtctca ttcaattttg agggttgcca 2760
gagttaaagg atcaagtaat acaaacggga tacaaagaca taatcaaaga gagaataaaa 2820
actataataa taaagacata aatcatgagg aaacatataa aaattatgat ttgattaacg 2880
cacaaaatat aaagtataaa gataaaattg atgaaacgat tgatgagaat tattcaggga 2940
aacgtaaaat tcggtcagat gcaattcgcc ccgggactag ttaaaggtgg agaaattgat 3000
tcgtttgtcc attatggctt gaattgcaat aatgcctttt gggatggcca agaaattctt 3060
tatggagatg gggacaaaaa gaatttcaaa ccattttcat gcgccaaaac tattgttggt 3120
catgaactaa cgcatgcagt tatccagtat tcggcgggat tggaatacga agggcaatca 3180
ggtgcgctaa acgagtcgtt cgccgatgtt tttggttatt ttattgcgcc aaatcattgg 3240
ttgattggtg aggatgtctg tgtgcgtggg tcgcgagatg ggcgaataag aagcattaaa 3300
gatcctgaca aatataatca agcggctcat atgaaggatt acgaatcgct tccaatcaca 3360
gaggaaggcg actggggcgg agttcattat aatagtggta tcccgaataa agcagcctat 3420
aatactatca ctaaacttgg aaaagaaaaa acagaacagc gacgatttcg cgccttaaag 3480
tactatttaa cgaaaaaagc ccagtttacc gatgcgaaaa aagcgcttca acaagcagcg 3540
aaagatttat atggtgaaga tgcttctaaa aaagttgctg aagcttggga agcggtagga 3600
gttaactgag cggccgccag tgtgatggat atctgcagaa ttaattcggc tttctagagt 3660
gacttttatg ttgaggcatt aacatttgtt aacgacgata aagggacagc aggactagaa 3720
taaagctata aagcaagcat ataatattgc gtttcatctt tagaagcgaa tttcgccaat 3780
attataatta tcaaaagaga ggggtggcaa acggtatttg gcattattag gttaaaaaat 3840
gtagaaggag agtgaaaccc atgaaaaaaa taatgctagt ttttattaca cttatattag 3900
ttagtctacc aattgcgcaa caaactgaag caaaggatgc atcggatctt aaagctgttt 3960
ataattttgc tactatgaag gatccatatc catatgatgt tccagattat gcatcattga 4020
attcaatgag aagtgaaaga ccacaagctt tgttggggaa gtgcttgacc gcgtgctgtt 4080
gctcgcgatt gctttttttg tggtgtatcg tgccgttcta tcttgctgtg ctcgtcaacg 4140
ccagcaacaa caacagctct catattcagt tgatttataa cttaacgcta tgtgagctga 4200
atggcacaga ttggctggcg caaaaatttg actgggcagt ggagactttt gtcatcttcc 4260
ccgtgttgac tcacattgtt tcctatgggg cactcaccac cagccatttc cttgacacag 4320
ttggtctggc cactgtgtcc accgccggat attatcacgg gcggtatgtc ttgagtagca 4380
tttacgcagt ctgtgctctg gctgcgttga tttgctttgt cattaggctt gcgaagaact 4440
gcatgtcctg gcgctactct tgtaccagat ataccaactt ccttctggac actaagggca 4500
gactctatcg ttggcggtcg cccgtcattg tggagaaagg gggtaaggtt gaggtcgaag 4560
gtcacctgat cgacctcaag agagttgtgc ttgatggttc cgcggcaacc cctttaacca 4620
gagtttcagc ggaacaatgg ggtcgtctcc tcgagggatt aaatggacca gatatttata 4680
aaggagttta tcaatttaaa agtgttgaat ttgatgtcga gtatacagat attgaaatga 4740
atagattagg aaaatgataa gtcggcggcc gctaataatc ttgcgcttcg atgacaacag 4800
ctgtaccaga tgcagtgacc attagcattc cgttatcagc tccaagcact tcataatcaa 4860
tatcaacacc gataacggca tttgcgccaa tatctttcgc acgttgttcc atttcacgaa 4920
ttgcttcctc gcgagcatta ataagttcat cttcatagcc ttgcgaacgg cccccgaaga 4980
aatttcgaag tccagcccca atatctttca taaagttaac gccagtgatg acttcgccga 5040
aaacgatttt tttatattcg ataatttgtt tgccttcaat atttggtgaa gttgttacaa 5100
tcatgagtta tccctacagt ttttctttta tcatacctct tagtactttt tctagtcaaa 5160
ggatatccgg ttatttcgta cgatttcgcg ctttttctat ataagaaata gcatctggaa 5220
ctttacaagc tgtatttcca aggtttacat gaactttccc gactgatttc gcggcttcca 5280
tcgctttttc gtgcaaatcg tctttgtaaa ttccacaagt gataataaaa ccgttcattg 5340
aatagcgggt tctattggtt tctgtttgca gcgtttcttt cgcgcgttga agtaatgtct 5400
ctgcttcagg caaattgtta atatgttcgc tgtaaatctg ccagcccatg gatttagtta 5460
aatcataatc actttcaatc catgttttgg cgaaaaggag tgcatcatca cgtttgctta 5520
caatcgatgc tagtccaaaa gttagttgtg accatgtttc gcgaaaagcg atattccatt 5580
tttcgatttg ttcggtggtt attttgtttg gattaattgc tagcaaaccg agataaatca 5640
agtcactatt atttgattca atcagtttta cggcgagttc gtgatttttt gtcagttttt 5700
ctcggcggat gattttcttt aaatcaccaa tttttagtcc gtaaagatct aatgaatccg 5760
gacaaccgtg attacgaaaa attttgatcg tattggggtt ttctaaggct tgtagctcgg 5820
tgtcaagttg gtcaaaagta atcatacgcg tcactcctct cgaataaagt aagtataaca 5880
aaaaaagcat gcgaaggcgc atgctttagg atttaagaat attagtctat ttgtttcatt 5940
gcgtcgttct agaacttttt taagtgtatc tgcggagttt ttcatttgtt ctttttcttt 6000
gtcatttaag ttcatttcaa caatatggcg aacgccttga cggttaacga ctgctggtgc 6060
acctatataa atatcgttca taccgtaatg gccatctaaa taaacagaaa gtggcaaaat 6120
cgcattttcg ttatttagaa ttgcttttgt aatacgagca agagctgcag caacgccgta 6180
gaatgtagcg ccttttttat taataatttc ataagctgca tcacgaacac ttacgaaaat 6240
agtatccatt gcaccttgtt catcttcgct aatccattca gtaattggaa ggccgccgac 6300
agttgtgtgg ctccatgctg ggaattcttg aagacgaaag ggcctcgtga tacgcctatt 6360
tttataggtt aatgtcatga taataatggt ttcttagacg tcaggtggca cttttcgggg 6420
aaatgtgcgc ggaaccccta tttgtttatt tttctaaata cattcaaata tgtatccgct 6480
catgagacaa taaccctgat aaatgcttca ataatattga aaaaggaaga gtatgagtat 6540
tcaacatttc cgtgtcgccc ttattccctt ttttgcggca ttttgccttc ctgtttttgc 6600
tcacccagaa acgctggtga aagtaaaaga tgctgaagat cagttgggtg cacgagtggg 6660
ttacatcgaa ctggatctca acagcggtaa gatccttgag agttttcgcc ccgaagaacg 6720
ttttccaatg atgagcactt ttaaagttct gctatgtggc gcggtattat cccgtgttga 6780
cgccgggcaa gagcaactcg gtcgccgcat acactattct cagaatgact tggttgagta 6840
ctcaccagtc acagaaaagc atcttacgga tggcatgaca gtaagagaat tatgcagtgc 6900
tgccataacc atgagtgata acactgcggc caacttactt ctgacaacga tcggaggacc 6960
gaaggagcta accgcttttt tgcacaacat gggggatcat gtaactcgcc ttgatcgttg 7020
ggaaccggag ctgaatgaag ccataccaaa cgacgagcgt gacaccacga tgcctgcagc 7080
aatggcaaca acgttgcgca aactattaac tggcgaacta cttactctag cttcccggca 7140
acaattaata gactggatgg aggcggataa agttgcagga ccacttctgc gctcggccct 7200
tccggctggc tggtttattg ctgataaatc tggagccggt gagcgtgggt ctcgcggtat 7260
cattgcagca ctggggccag atggtaagcc ctcccgtatc gtagttatct acacgacggg 7320
gagtcaggca actatggatg aacgaaatag acagatcgct gagataggtg cctcactgat 7380
taagcattgg taactgtcag accaagttta ctcatatata ctttagattg atttaaaact 7440
tcatttttaa tttaaaagga tctaggtgaa gatccttttt gataatctca tgaccaaaat 7500
cccttaacgt gagttttcgt tccactgagc gtcagacccc gtagaaaaga tcaaaggatc 7560
ttcttgagat cctttttttc tgcgcgtaat ctgctgcttg caaacaaaaa aaccaccgct 7620
accagcggtg gtttgtttgc cggatcaaga gctaccaact ctttttccga aggtaactgg 7680
cttcagcaga gcgcagatac caaatactgt ccttctagtg tagccgtagt taggccacca 7740
cttcaagaac tctgtagcac cgcctacata cctcgctctg ctaatcctgt taccagtggc 7800
tgctgccagt ggcgataagt cgtgtcttac cgggttggac tcaagacgat agttaccgga 7860
taaggcgcag cggtcgggct gaacgggggg ttcgtgcaca cagcccagct tggagcgaac 7920
gacctacacc gaactgagat acctacagcg tgagctatga gaaagcgcca cgcttcccga 7980
agggagaaag gcggacaggt atccggtaag cggcagggtc ggaacaggag agcgcacgag 8040
ggagcttcca gggggaaacg cctggtatct ttatagtcct gtcgggtttc gccacctctg 8100
acttgagcgt cgatttttgt gatgctcgtc aggggggcgg agcctatgga aaaacgccag 8160
caacgcggcc tttttacggt tcctggcctt ttgctggcct tttgctcaca tgttctttcc 8220
tgcgttatcc cctgattctg tggataaccg tattaccgcc tttgagtgag ctgataccgc 8280
tcgccgcagc cgaacgaccg agcgcagcga gtcagtgagc gaggaagcgg aagagcgcct 8340
gatgcggtat tttctcctta cgcatctgtg cggtatttca caccgcatat ggtgcactct 8400
cagtacaatc tgctctgatg ccgcatagtt aagccagtat acactccgct atcgctacgt 8460
gactgggtca tggctgcgcc ccgacacccg ccaacacccg ctgacgcgcc ctgacgggct 8520
tgtctgctcc cggcatccgc ttacagacaa gctgtgaccg tctccgggag ctgcatgtgt 8580
cagaggtttt caccgtcatc accgaaacgc gcgaggcagc tgcggtaaag ctcatcagcg 8640
tggtcgtgaa gcgattcaca gatgtctgcc tgttcatccg cgtccagctc gttgagtttc 8700
tccagaagcg ttaatgtctg gcttctgata aagcgggcca tgttaagggc ggttttttcc 8760
tgtttggtca cttgatgcct ccgtgtaagg gggaatttct gttcatgggg gtaatgatac 8820
cgatgaaacg agagaggatg ctcacgatac gggttactga tgatgaacat gcccggttac 8880
tggaacgttg tgagggtaaa caactggcgg tatggatgcg gcgggaccag agaaaaatca 8940
ctcagggtca atgccagcgc ttcgttaata cagatgtagg tgttccacag ggtagccagc 9000
agcatcctgc gatgcagatc cggaacataa tggtgcaggg cgctgacttc cgcgtttcca 9060
gactttacga aacacggaaa ccgaagacca ttcatgttgt tgctcaggtc gcagacgttt 9120
tgcagcagca gtcgcttcac gttcgctcgc gtatcggtga ttcattctgc taaccagtaa 9180
ggcaaccccg ccagcctagc cgggtcctca acgacaggag cacgatcatg cgcacccgtg 9240
gccaggaccc aacgctgccc gacgatgata agctgtcaaa catga 9285
Claims (3)
1.基于重组减毒单增李斯特菌的宫颈癌治疗性疫苗,其特征在于,其有效成分为携带HPV16型E6E7融合抗原表位肽基因的重组减毒单增李斯特菌;
所述减毒单增李斯特菌为单增李斯特菌完整敲除actA和plcB这两个毒力基因而得;
所述重组减毒单增李斯特菌的制备方法,是以减毒单增李斯特菌为载体,携带HPV16型E6E7融合抗原表位肽基因而得;具体步骤如下:
(1)合成HPV16型E6E7融合抗原表位肽基因片段;
(2)构建打靶质粒;
(3)制备感受态细胞LmΔactAplcB-lacZ;
(4)利用步骤(2)制备的打靶质粒对步骤(3)制备的感受态细胞进行电转化;
(5)LmΔactAplcB-lacZ与打靶质粒同源重组杂交培养、筛选验证;
所述步骤(1)的具体方法是:从NCBI上查询HPV 16型E6蛋白和E7蛋白氨基酸序列,再通过软件,从中筛选出优势T细胞抗原表位依次排列,然后根据李斯特菌密码子进行相应优化得到优化后的序列,再在其上游加入HindⅢ酶切位点,下游加入XhoⅠ酶切位点,将上述设计好的序列最后通过合成直接获得,共866bp,如SEQ ID NO. 1所示;
所述步骤(2)的具体方法是:用限制性内切酶HindⅢ和XhoⅠ双酶切步骤(1)获得的融合抗原表位肽基因片段,同时用相同的限制性内切酶酶切质粒pCW203,经连接、转化等技术将融合抗原表位肽基因片段插入pCW203 HindⅢ和XhoⅠ酶切位点,得到中间质粒pCW203-E6E7,如SEQ ID NO. 2所示,通过PCR验证、提质粒验证、酶切验证证实中间质粒的成功构建;切下中间质粒pCW203-E6E7的BamH I酶切位点与Xho I酶切位点之间的片段插入重组质粒pCW180的BamH I酶切位点与XhoI酶切位点之间,得到打靶质粒pCW180-E6E7,如SEQ IDNO. 3所示;其中,所述重组质粒pCW180的基因序列为序列表中SEQ ID NO.13所示;
所述步骤(3)的具体方法是:将LmΔactAplcB-lacZ用含0.5mol/L蔗糖的BHI液体培养基进行培养,定期测定A600,当A600=0.4时,加入盘尼西林G,使其终浓度为12.5μg/ml继续培养;当A600=0.7时,离心,洗涤,分装,保存即可;
LmΔactAplcB-lacZ的制备方法如下:
(3-A)将上、下游分别带Not I酶切位点的lacZ基因片段插入第二中间重组质粒pCW170的Not I酶切位点之间,得到一个打靶质粒pCW190,所述质粒pCW190的基因序列为序列表中SEQ ID NO.6所示;
(3-B)将步骤(3-A)所得打靶质粒pCW190电转化Lm,然后将转化得到的菌经单、双同源重组杂交培养,即得。
2.根据权利要求1所述的疫苗,其特征在于,所述步骤(4)的具体方法是:取打靶质粒电转至LmΔactAplcB-lacZ感受态细胞中,电转完成后加入BHI肉汤培养2小时;转化液涂布于红霉素BHI琼脂平板,通过蓝白斑筛选出单个蓝色菌落,纯培养后进行质粒提取和PCR验证。
3.根据权利要求1所述的疫苗,其特征在于,所述步骤(5)的具体方法是:将携带打靶质粒的单增李斯特菌,在 42℃和30℃连续传代,利用同源重组杂交原理和基因打靶技术,将打靶质粒携带的目的片段整合至李斯特菌中,利用蓝白斑及红霉素敏感性筛选出可疑菌株;然后进行PCR筛选和基因测序验证。
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