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猪圆环病毒2型甘肃兰州株全基因组序列的克隆及序列分析
引用本文:贾怀杰,景志忠,房永祥,王晓霞,陈国华,李克斌,窦永喜,瞿惠玲. 猪圆环病毒2型甘肃兰州株全基因组序列的克隆及序列分析[J]. 中国畜牧兽医, 2010, 37(1): 45-50
作者姓名:贾怀杰  景志忠  房永祥  王晓霞  陈国华  李克斌  窦永喜  瞿惠玲
作者单位:(1.中国农业科学院兰州兽医研究所, 家畜疫病病原生物学国家重点实验室,农业部兽医公共卫生重点实验室, 兰州 730046; 2.甘肃农业大学动物医学院, 兰州 730070; 3.甘肃省兽医局, 兰州 730030)
基金项目:国家自然基金项目(30871884);;国家支撑计划(2006BAD31B03);;甘肃省支撑计划(0804NKCA076)
摘    要:参照GenBank中登录的猪圆环病毒2型(PCV2)全基因组序列,设计合成了2对特异性引物,从甘肃兰州疑似断奶仔猪多系统衰竭综合征(PMWS)病料中提取PCV2基因组DNA,分段PCR扩增全长基因组。回收PCR产物,将其插入pGEM-T Easy载体,构建了重组质粒pGEM-PCV2,转化后筛选、提取阳性重组质粒进行测序。结果表明,克隆到的PCV2全基因组长为1767 bp。应用DNAStar序列分析软件对所测PCV2序列与GenBank中登录的包括甘肃在内的国内外PCV2毒株进行同源性分析。结果显示,克隆的PCV2与ZhouKou(EU656143)毒株遗传关系较近,其核苷酸和推导的氨基酸序列同源性高达99.4%、98.6%,与已报道的GS03(EU547458)甘肃毒株遗传关系较远,可能是流行于甘肃兰州的一个变异毒株GSLZ(GenBank登录号为:FJ447482)。

关 键 词:猪圆环病毒2型  基因组  克隆  序列分析  

Cloning and Sequence Analysis of the Complete Genome of PorcineCircovirus Type 2 Gansu Lanzhou Strain
JIA Huai-jie,JING Zhi-zhong,FANG Yong-xiang,WANG Xiao-xia,CHEN Guo-hua,LI Ke-bin,DOU Yong-xi,QU Hui-ling. Cloning and Sequence Analysis of the Complete Genome of PorcineCircovirus Type 2 Gansu Lanzhou Strain[J]. China Animal Husbandry & Veterinary Medicine, 2010, 37(1): 45-50
Authors:JIA Huai-jie  JING Zhi-zhong  FANG Yong-xiang  WANG Xiao-xia  CHEN Guo-hua  LI Ke-bin  DOU Yong-xi  QU Hui-ling
Affiliation:(1.State Key Laboratory of Veterinary Etiological Biology, Lanzhou Veterinary Research Institute, CAAS; Key Laboratory of Veterinary Public Health of Ministry of Agriculture, Lanzhou 730046, China; 2.Veterinary College of Gansu Agricultural University, Lanzhou 730070, China; 3.Veterinary Bureau of Gansu Province, Lanzhou 730030, China)
Abstract:Two pairs of primers were designed and synthesized according to the full length genome of PCV2 in GenBank.Genomic DNA was extracted from samples of suspected post weaning multisystemic wasting syndrome(PMWS) pig in Lanzhou,Gansu province,and the full length genome of PCV2 was fragmentation cloned by PCR into pGEM-T easy vector,recombinant vector pGEM-PCV2 were constructed and then sequenced.Sequence analysis with DNAStar software showed that the genome of PCV2 Gansu Lanzhou strain is 1767 bp and the result ...
Keywords:porcine circovirus type 2(PCV2)  genome  cloning  sequence analysis
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