毒力因子 meaning in English

virulence factor

Virulence factor of the streptococcus suis type
2型猪链球菌毒力因子
Primary analysis of virulent genes of 114 strains ehec o157 : h7 in anhui province
7菌株毒力因子基因的初步分析
Epidemiological study of streptococcus pneumoniae infection and the development of virulence factors
肺炎链球菌感染的流行病学及毒力因子研究进展
Type 1 pili is the important virulence factors on the e . coli in fection in chicken . through the adhering of pili , e . coli adhered on the epidermic cell of aspiratory tract , which was the first step of invading in host
1型菌毛是鸡源致病性大肠杆菌的重要毒力因子，在致病过程中介导细菌吸附于鸡呼吸道粘膜上皮细胞完成入侵的第一步。
Methode competence is induced in the s . pn detached from clinic and creat the come duplicaion mutants by insertion - duplication . use the real - time rt - pcr to test the expressing level of vurilence between the mutants and the wild type
8的ctm中生长的菌作为阴性对照。分别在生长的不同时间点提取rna ，最后采用rea卜timert ? pcr来定量测定各种毒力因子mrna表达的水平。