【摘 要】
：
以 1株从发病猪中分离到的副粘病毒( MP01株)为研究对象,用反转录-聚合酶链式反应( RT- PCR)对它的 F基因进行分段扩增、定向克隆到 pUC119质粒载体,然后测定它们的核苷酸序
【机 构】
：
上海交通大学,上海市实验动物质量监督检验站
论文部分内容阅读
以 1株从发病猪中分离到的副粘病毒( MP01株)为研究对象,用反转录-聚合酶链式反应( RT- PCR)对它的 F基因进行分段扩增、定向克隆到 pUC119质粒载体,然后测定它们的核苷酸序列,并推导出相应的氨基酸序列. MP01株的 F基因全长 1 662 bp,编码 553个氨基酸,它们的裂解位点的氨基酸序列为 112G- K- Q- G- R- L117,是 NDV弱毒株特有的序列结构.序列分析结果表明,它与国内标准毒株 F48E9的核苷酸同源率为 90%,氨基酸的同源率为 93%;它与弱毒株 La Sota的核苷酸同源率为 91%,氨基酸同源率为 94%.
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