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猪传染性胃肠炎病毒LJ-12株的分离与鉴定 被引量:4

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摘要 对黑龙江省某猪场腹泻仔猪的粪便进行病毒分离,获得1株疑似猪传染性胃肠炎病毒(TGEV),命名为LJ-12株。在原代猪肾细胞上盲传8代后细胞出现病变,用TGEV S基因的1段特异性引物进行RT-PCR方法检测,扩增出与预期结果相一致的约480 bp的目的基因片段;核酸序列测定结果表明该段基因与TGEV TH-98株的核苷酸同源性为98.5%,氨基酸同源性为98.8%;并通过间接免疫荧光试验,超薄切片电镜观察等方法确定该分离毒株为猪传染性胃肠炎病毒。
出处 《畜牧与兽医》 北大核心 2013年第3期47-50,共4页 Animal Husbandry & Veterinary Medicine
基金 科技部863计划项目(2011AA10A213) 黑龙江省高校科技创新基金(2011TD001)
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