It was found that all these 11 strains possessed 2 main virulence factors, i.e. muramidase released protein ( MRP) gene and extracellular factor ( EF) protein gene.

  • 结果(1)从采集的病料中分离到11株猪链球菌2型菌,都具有胞外因子(EF)和溶菌酶释放蛋白(MRP)两个特征性毒力因子;

  • 互联网摘选 2025-01-20 19:01:51

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