树鼩呼肠孤病毒的分离鉴定
Dong wu xue yan jiu = Zoological research / "Dong wu xue yan jiu" bian ji wei yuan hui bian ji(2013)
Abstract
致病性病毒严重危害树鼩(treeshrew,Tupaia)生命健康,但却鲜见有关树鼩自然感染病毒的报道。该研究采集6份因腹泻死亡的野生树鼩粪便,用Vero细胞进行病毒分离,72h后细胞发生病变,特征为颗粒增多、破碎、变圆固缩、拉网及脱落等;电镜观察显示该病毒为球形,双层衣壳,完整直径~75nm。纯化病毒经核酸PAGE电泳后呈现10个核酸节段,并为典型的3:3:4排列。哺乳动物呼肠孤病毒(mammalian orthoreovirus,MRV)L1基因保守区RT-PCR检测、序列分析及进化树构建结果表明,该病毒株属于MRV,且与来源于蝙蝠的呼肠孤病毒分离株(T3/Bat/Germany/342/08)同源性最高。MRV是人兽共患病病毒,该实验首次从树鼩体内成功分离到MRV,对今后研究制定实验树鼩病毒学控制标准具有指导意义,同时为有效预防该病毒在树鼩与人类之间传播提供了实验依据。
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Key words
identification,tree shrew: tupaia reovirus,isolation,Tree shrew: Tupaia reovirus,Isolation,Identification
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