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鸭肝炎病毒JS株VP1基因克隆及序列分析

Chinese Journal of Animal Husbandry and Veterinary Medicine(2014)

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Abstract
通过PCR技术,从自行分离的鸭肝炎病毒JS株基因组中扩增出病毒衣壳蛋白VP1完整基因片段,并对该片段进行序列测定及分析。结果显示JS-VP1与DHV-A的VP1基因序列酸核苷酸同源性在92.7%~99.7%之间,与DHV-B的VP1基因序列酸核苷酸同源性在58.5%~58.7%之间,与DHV-C的VP1基因序列酸核苷酸同源性在61.6%~63.9%之间,分析表明JS株为鸭肝炎病毒基因A型,血清型分型为血清1型。进化树表明JS株与E53、X、R、AV2111株的亲缘关系较进。
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