数字农科院2.0

口蹄疫A型病毒AF/72株标准乳鼠组织毒的研制

文献类型: 中文期刊

作者: 杜进鑫;王永录;张永光;方玉珍;蒋守田

作者机构:

关键词: FMD;标准毒株

期刊名称:浙江农业科学

ISSN: 0528-9017

年卷期: 2009 年 1 卷 03 期

页码: 596-599

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。

分类号: S852.65

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