不同动物来源的新城疫病毒F基因序列分析

来源 :动物医学进展 | 被引量 : 0次 | 上传用户:wcxydm
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为了解广西地区新城疫病毒(NDV)在不同动物宿主内的分布流行情况,对从广西地区鸡、野鸟、猪、鹅、马等5种不同动物体内分离到 NDV 毒株,进行了 F 基因的克隆扩增和序列分析。结果表明,5个NDV 分离株 F 基因的核苷酸序列同源性为85.2%~98.6%,推导氨基酸序列同源性为88.9%~98.6%,同源性差异较大;5个毒株的 F 基因与国内贵州、长春、福建等地的当前流行株同源性较高;以 F 基因前374 bp核甘酸同源性比较分型表明,鸡源、鹅源、马源毒株为当前流行的基因Ⅶ型,而猪源毒株和野鸟源毒株为传统的基因Ⅱ型。
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