猪A组轮状病毒Vp4全基因的克隆与序列分析.pdf
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吉林农业大学学报2005,27(5):549—553
JournalofJilinAgricultural
University
猪A组轮状病毒Vp4全基因
的克隆与序列分析+
王春凤7,于守平7,杨树宝2,李玉2”
331
摘要:应用RT—PCR技术,从猪A组轮状病毒总RNA中扩增了2bp的Vp4全基因,通过T—A克隆技
术,将PCR产物克隆至克隆载体pGEM—T中,转化至受体菌株JMl09中,通过质粒提取、限制性内切酶酶切、
酸序列,结果显示该实验株与黑龙江株和美国株的同源性最高,均达到99%以上,并具有轮状病毒vp4全基
因的抗原袁位区。
关键词:轮状病毒;vp4全基因;克隆与测序
中图分类号:$852.65 文献标识码:A 文章编号:1000-5684(2005)05—0549—05
and ofFull Geneof APorcineRotavirus
Vp4 Group
CloningSequencing
yu2
WANG Shu—ba01,LI
Shou—pin91,YANG
Chun.fengI,YU
Scienceand 18,Chi—
(1.CollegeofAnimal Technology,JilinAgriculturalUniversity,Changchun1.301
M;2.Institute 130118,China)
ofMycology,JilinAgriculturalUniversity,Changchun
of of ARotavimswere fromcell
Abstract:Thedeterminants
antigenic Vp4geneporcinegroup amplified
of
infectedwithmtavimsthereverse chainw_action(RT—PCR).The
by transcripfion.polymerase length
full was2331 ofRT—PCRwere with and
Vp4gene bp.Theproducts ligatedplasmidpGEM—Teasy
to the ofrestrictionendonuclease and re-
transformed analysis cutting,PCRsequencing,the
JMl09.By
resultsofnucleotideandaminoacidse-
combinant wasconstructed.The
plasmidspGEM—T—Vp4
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