TABLE 3.

Primers used in this study to extract different regions of 16S rRNA genes

Region	Primer name	Sequence (5′–3′)	Reference
V1–V2	27F	AGAGTTTGATYMTGGCTCAG	44
	338R	TGCTGCCTCCCGTAGGAGT	44
V1–V3	27F	AGAGTTTGATYMTGGCTCAG	3
	534R	ATTACCGCGGCTGCTGG	3
V1–V9	27F	AGAGTTTGATCMTGGCTCAG	1
	1492R	TACGGYTACCTTGTTAYGACTT	1
V3	341F	CCTACGGGAGGCAGCAG	12
	518R	ATTACCGCGGCTGCTGG	12
V3–V4	341F	CCTACGGGNGGCWGCAG	36
	785R	GACTACNNGGGTATCTAATCC	36
V4	515F	GTGYCAGCMGCCGCGGTAA	45
	806R	GGACTACNVGGGTWTCTAAT	46
V4–V5	515F	GTGYCAGCMGCCGCGGTAA	45
	926R	CCGTCAATTCMTTTRAGT	45
V5–V7	799F	AACMGGATTAGATACCCKG	47
	1193R	ACGTCATCCCCACCTTCC	47
V6	967F	CAACGCGAAGAACCTTACC	12
	1046R	CGACAGCCATGCANCACCT	12
V6–V8	926F	AAACTYAAAKGAATTGACGG	48
	1392R	ACGGGCGGTGTGTRC	48
V7–V9	1115F	CAACGAGCGCAACCCT	2
	1492R	TACGGYTACCTTGTTACGACTT	2