Table 2.

List of core fecal taxa and their abundance.

Core taxa		Reads number	OPUs included
Phylum level	Uncultured Saccharibacteria	4,630	OPU 149
Class level	Uncultured Mollicutes	44,772	OPU 166
Order level	Uncultured Clostridiales	20,151	OPU 587, OPU 712, OPU 725, OPU 727
	Uncultured Gastranaerophilales	6,084	OPU 287
	Uncultured Bacteroidales	4,135	OPU 33
Family level	Uncultured Ruminococcaceae	329,996	OPU 106, OPU 107, OPU 115, OPU 116, OPU 117,
			OPU 123, OPU 131, OPU 139, OPU 142, OPU 144
	Uncultured Christensenellaceae	72,199	OPU 151, OPU 160, OPU 164
	Uncultured Lachnospiraceae	43,430	OPU 612, OPU 617, OPU 618, OPU 664, OPU 666
			OPU 668, OPU 704
	Uncultured Rikenellaceae	21,233	OPU 32
	Ruminococcaceae	17,182	OPU 124, OPU 130
	Uncultured Planctomycetaceae	7,041	OPU 98
	Uncultured Peptococcaceae	6,865	OPU 262, OPU 266
	Uncultured Erysipelotrichaceae	1,576	OPU 179
Genus level	Uncultured Akkermansia	85,042	OPU 91
	Uncultured Bacteroides	73,443	OPU 1, OPU 2, OPU 25
	Uncultured Eubacterium	9,182	OPU 121
	Uncultured Alistipes	4,050	OPU 36
	Ruminiclostridium	2,302	OPU 108
Total		753,313	42