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口蹄疫A型病毒AF/72株标准乳鼠组织毒的研制

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摘要 用口蹄疫A型病毒AF/72株的第3代乳鼠组织毒,通过乳鼠适应至6代,获得该毒株的乳鼠组织毒AF/72/MF6,经测定其LD50为10-8.0.mL-1;经RT-PCR获得其VP1基因序列,并与GenBank中的其它6株口蹄疫A型病毒株比对,同源性大于85%;经无菌检验和外源病毒检验,纯净性达到兽用生物制品标准要求;经间接夹心ELISA测定,OD值均大于0.2,且经乳鼠中和试验证实该毒仅能被口蹄疫A型标准血清中和,具有型特异性;经紫外分光光度法测定其146S含量,均值为189 ng.mL-1,远大于22 ng.mL-1的国际标准。综合纯净性检验、特异性检验和146S含量测定结果,可确定AF/72/MF6为口蹄疫A型病毒AF/72株乳鼠组织毒的标准毒。
作者 杜进鑫 王永录 张永光 方玉珍 蒋守田 吕建亮 潘丽 刘力宽 张淑刚 李正丰 张昱 张中旺
机构地区 中国农业科学院兰州兽医研究所家畜疫病病原生物学国家重点实验室农业部畜禽病毒学重点开放实验室 甘肃农业大学动物医学院
出处 《浙江农业科学》 2009年第3期596-599,共4页 Journal of Zhejiang Agricultural Sciences
关键词 FMD 标准毒株
分类号 S859.8 [农业科学—临床兽医学]
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参考文献14

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二级参考文献9

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浙江农业科学
2009年 第3期

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