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犬新孢子虫Nc-GFP株对BALB/c小鼠的人工感染试验 被引量:1

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摘要 为了解犬新孢子虫Nc-GFP株的生物学特性,本试验采用Vero细胞培养的犬新孢子虫速殖子,腹腔接种BALB/c小鼠,观察小鼠的临床症状及发病情况,脱颈处死濒死期小鼠,无菌分离小鼠脑组织,接种Vero细胞进行连续培养,并提取脑组织DNA进行NcMAG1基因的PCR鉴定。结果显示:BALB/c小鼠接种犬新孢子虫Nc-GFP株速殖子后,先后出现被毛逆立、共济失调等临床症状;小鼠脑组织接种Vero细胞14 d后,在荧光显微镜下观察到绿色荧光的犬新孢子虫Nc-GFP株速殖子和包囊;小鼠脑组织经NcMAG1基因的PCR检测,扩增出1 047 bp的目的基因条带,经测序与GenBank中发表的NcMAG1(EF580924.1)核苷酸序列的同源性为99.6%。本试验成功地从BALB/c小鼠脑组织中分离出了犬新孢子虫Nc-GFP株,为Nc-GFP株生物学特性的深入研究奠定了基础。
出处 《畜牧与兽医》 北大核心 2013年第6期84-86,共3页 Animal Husbandry & Veterinary Medicine
基金 国家自然科学基金(31160501) 吉林省青年科研基金(201201076) 吉林省自然科学基金(201115230) 延边大学项目(延大科合字2011第37号 博士科研启动基金)
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