Table 1. Primers used in this study.

Detection for antibiotic resistance genes		16S rRNA gene sequencing
Primers	Sequence(5′-3′)	Primers	Sequence(5′-3′)
CTX-M-F	CGTTGTAAAACGACGGCCAGTGAA	5F	TTGGAGAGTTTGATCCTGGCTC
	TGTGCAGYACCAGTAARGTKATGGC	341F	CTACGGGAGGCAGCAGTGGG
CTX-M-R	TGGGTRAARTARGTSACCAGAAYCAGCGG	810R	GCGTGGACTTCCAGGGTATCT
IMP-F	GGAATAGAGTGGCTTAAYTCTC	1194R	ACGTCATCCCCACCTTCCTC
IMP-R	GGTTTAAYAAAACAACCACC	1485R	TACGGTTACCTTGTTACGAC
KPC-F	CGTCTAGTTCTGCTGTCTTG
KPC-R	CTTGTCATCCTTGTTAGGCG
NDM-F	GGTTTGGCGATCTGGTTTTC
NDM-R	CGGAATGGCTCATCACGATC
OXA-23like-F	GATCGGATTGGAGAACCAGA
OXA-23like-R	ATTTCTGACCGCATTTCCAT
OXA-24/40like-F	GGTTAGTTGGCCCCCTTAAA
OXA-24/40like-R	AGTTGAGCGAAAAGGGGATT
OXA48-F	GCGTGGTTAAGGATGAACAC
OXA48-R	CATCAAGTTCAACCCAACCG
OXA-58like-F	CCCCTCTGCGCTCTACATAC
OXA-58like-R	AAGTATTGGGGCTTGTGCTG
VIM-F	GATGGTGTTTGGTCGCATA
VIM-R	CGAATGCGCAGCACCAG