This article briefly deals with the research advance in species, distribution, isolation, culture and virulence assay methods of aphid pathogens.
作者通过评述国内外已有的研究报道，概述了蚜虫病原真菌的种类、分布、分离培养及毒力评价方法。
Objective To study the distribution characteristics of virulence genes in Vibrio parahaemolyticus isolated from seafood in China.
目的了解中国部分水产品中副溶血性弧菌毒力基因的分布情况。
To investigate the distribution of virulence associate factors of Streptococcus suis(SS), 8 virulence factors were selected to be detected by PCR assay.
石家庄地区SS的毒力因子分布情况不很清楚，本实验对石家庄地区SS分离株的毒力因子进行检测。
To investigate the distribution of virulence associate factors of Streptococcus suis(SS), 8 virulence factors were selected to be detected by PCR assay.
石家庄地区SS的毒力因子分布情况不很清楚，本实验对石家庄地区SS分离株的毒力因子进行检测。
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