Table 1.

Specific primer pairs used in the present study.

Bacterium	Primer sequence (5′-3′)	bp	Ann. (°C)
Bifidobacterium spp.	CTCCTGGAAACGGGTGG	550	56
	GGTGTTCTTCCCGATATCTACA
B. fragilis group	ATAGCCTTTCGAAAGRAAGAT	495	50
	CCAGTATCAACTGCAATTTTA
Lactobacillus spp.	AGCAGTAGGGAATCTTCCA	341	55
	CACCGCTACACATGGAG
A. muciniphila	CAGCACGTGAAGGTGGGGAC	327	60
	CCTTGCGGTTGGCTTCAGAT
F. prausnitzii	GATGGCCTCGCGTCCGATTAG	199	60
	CCGAAGACCTTCTTCCTCC
Enterobacteriaceae	CATTGACGTTACCCGCAGAAGAAGC	195	63
	CTCTACGAGACTCAAGCTTGC

Ann: annealing temperature.