The ORF1 sequence of gene mrp encoding muramidase-released protein(MRP) was amplified from genomic DNA of Streptococcus suis type 2 Qinghai strain by PCR with specific primers.

• 根据猪链球菌2型溶菌酶释放蛋白基因(mrp)的序列,设计并合成了1对特异性引物,以青海株的基因组DNA为模板扩增了mrp基因ORF1序列。