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Sequencing and Analysis of US2 Gene of Duck Enteritis Virus
Author(s): 
Pages: 33-36
Year: Issue:  3
Journal: SHANDONG AGRICULTURAL SCIENCES

Keyword:  鸭肠炎病毒US2基因PCR疱疹病毒;
Abstract: 以鸭肠炎病毒(DEV)SD-01株DNA为模板,根据GenBank上已发表的基因序列设计一对引物,利用PCR技术扩增出US2全基因,将目的条带连人pGM-T载体,得到的阳性重组质粒命名为pGM-US2并进行序列测定.将测序结果与疫苗株、鸭瘟鸡胚化弱毒疫苗(C-KCE)株和单纯疱疹病毒-1型(HSV-1)、马立克氏病病毒(MDV)、伪狂犬病病毒(PRV)的US2基因同源性进行比较,发现核苷酸和氨基酸的序列同源性分别为100%~25.8%和100%~28%.结果表明,US2基因在DEV中是完全保守的,但与其它疱疹病毒相比同源性较低.
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