Muramidase released protein (MRP) is a key virulencefactor of SS2.
溶菌酶释放蛋白（MRP）是SS2的主要毒力因子之一。
2
Objective:To construct mouse peritonitis models of Enterococcus for the study of the putative virulencefactor of Enterococcus.
目的：建立肠球菌毒力相关性小鼠腹膜炎模型，用于肠球菌类毒力因子的研究。
3
It is suggested that virulence of rice brown planthopper was variable and the character of variety resistant or susceptible to insect was the exterior factor of virulent shift.