TABLE 1.

Oligonucleotide primers used for conventional PCR in the study

Primer use and name	Sequence	Position	Product size (bp)
Detection of erm(B)
F-ECP	5′-GAAAAGGTACTCAACCAAATA-3′	43-62	639
R-ECP	5′-AGTAACGGTACTTAAATTGTTTAC-3′	658-681
Detection of mef genes
F-MCP-S	5′-ATGGAAAAATACAACAATTGGAAA-3′	1-24	263
R-MCP-S	5′-CCAGCTGCTGCGATAATTAA-3′	245-263
Detection of mef genes
F-MCP-L	5′-ATGGAAAAATACAACAATTGGAAA-3′	1-24	1,218
R-MCP-L	5′-TTATTTTAAATCTAATTTTCTAACCTC-3′	1191-1218