%0 Journal Article %T 幽门螺杆菌NCTC11637株Hp1501基因序列的测定与生物信息学分析 %A 杨继文 %A 敬保迁 %A 王朝丽 %A 冯莉 %J 华西医学 %P 58-62 %D 2012 %R CNKI:51-1356/R.20120115.1546.013 %X 目的 幽门螺杆菌NCTC11637菌株Hp1501基因进行序列测定,并运用生物信息学软件对其进行分析。方法 用聚合酶链反应方法从幽门螺杆菌NCTC11637菌株基因组DNA扩增Hp1501基因,T-A克隆,鉴定后测序,将基因序列向GeneBank提交并申请登录号,用生物信息学软件分析其生物学特性。结果 成功获取幽门螺杆菌NCTC11637株Hp1501基因序列,获得GeneBank登录号JF820815。软件分析表明,序列全长为1164bp,与幽门螺杆菌国际标准株26695和J99的基因序列一致性为96%~97%,氨基酸序列一致性为97%~98%;软件预测其编码的前59个氨基酸为信号肽,其编码的核心肽为幽门螺杆菌外膜蛋白。结论 成功测定幽门螺杆菌NCTC11637菌株Hp1501基因序列并预测出其生物学特性,为进一步研究其功能,阐明其致病机制奠定了基础。Objective TodeterminethesequenceofHp1501genefromH.pyloriNCTC11637andanalyzethesequencewithbioinformaticssoftware.Methods Polymerasechainreaction(PCR)wasusedtoamplifytheHp1501genefromchromosomalDNAofH.pyloriNCTC11637.AfterT-Aclone,theamplifiedDNAsequencewasdeterminedandthegenesequencewassenttoGeneBankforanalysiswithbioinformaticssoftware.Results Hp1501genefromH.pyloriNCTC11637wassuccessfullyattained,andtheloggingnumberforGeneBankwasJF820815.Theanalysisshowedthatthegenesequencewas1164bpinlength,96%-97%identicalinDNAsequenceand97%-98%identicalinaminoacidsequencecomparedwithstandardstrain26695andJ99.Theforward59aminoacidsweresignalpeptideandthecorepeptidewasoutermembraneproteinofH.pyloribasedonthesoftwareprediction.Conclusions ThesequenceandbionomicsofHp1501genefromH.pyloriNCTC11637hasbeendeterminedsuccessfully.ItprovidesasolidbaseforthefurtherresearchofthebiologicalfunctionandpathogenicitymechanismofH.pylori. %K 幽门螺杆菌 %K Hp1501基因 %K 序列测定 %K 生物信息学分析 %U http://www.hxyxqk.com.cn/oa/DArticle.aspx?type=view&id=201201015