TABLE 1.

16S rRNA gene specific primers for the studied bacterial genera.

Target organism	Forward (5′ to 3′)	Reverse (5′ to 3′)	Amplicon size (bp)	References
Lactobacillus	AGCAGTAGGGAATCTTCCA	CACCGCTACACATGGAG	341	(25)
Bifidobacterium	TCGCGTCYGGTGTGAAAG	CCACATCCAGCRTCCAC	243	(26)
Akkermansia	CAGCACGTGAAGGTGGGGAC	CCTTGCGGTTGGCTTCAGAT	329	(27)
Bacteroides	GGTGTCGGCTTAAGTGCCAT	CGGAYGTAAGGGCCGTGC	140	(29)
Faecalibacterium	GGAGGAAGAAGGTCTTCGG	AATTCCGCCTACCTCTGCACT	248	(30)
Escherichia	CATTGACGTTACCCGCAGAAGAAGC	CTCTACGAGACTCAAGCTTGC	190	(28)
Prevotella	CACCAAGGCGACGATCA	GGATAACGCCYGGACCT	283	(24)