Table 2.

Taxonomic annotation^a and percentage relative abundances^b of the core taxa detected at the genus level

Phylum	Class	Order	Family	Genus	Mean	SD	SEM
Verrucomicrobia	WCHB1–41	uncultured bacterium	NA	NA	12.79	4.36	0.52
Spirochaetae	Spirochaetes	Spirochaetales	Spirochaetaceae	Treponema 2	8.35	3.81	0.46
Bacteroidetes	Bacteroidia	Bacteroidales	Bacteroidales S24–7 group	uncultured bacterium	6.93	4.51	0.54
Fibrobacteres	Fibrobacteria	Fibrobacterales	Fibrobacteraceae	Fibrobacter	6.33	4.13	0.49
Firmicutes	Clostridia	Clostridiales	Lachnospiraceae	NA	5.73	1.97	0.23
Bacteroidetes	Bacteroidia	Bacteroidales	Rikenellaceae	Rikenellaceae RC9 gut group	4.96	1.88	0.22
Firmicutes	Clostridia	Clostridiales	Ruminococcaceae	Ruminococcaceae NK4A214 group	2.35	0.94	0.11
Bacteroidetes	Bacteroidia	Bacteroidales	Bacteroidales BS11 gut group	uncultured bacterium	2.32	1.57	0.19
Bacteroidetes	Bacteroidia	Bacteroidales	Bacteroidales RF16 group	uncultured bacterium	2.01	1.14	0.14
Firmicutes	Clostridia	Clostridiales	Ruminococcaceae	Ruminococcus 1	1.88	0.86	0.10
Firmicutes	Clostridia	Clostridiales	Ruminococcaceae	Ruminococcaceae UCG-005	1.58	0.94	0.11
Firmicutes	Clostridia	Clostridiales	Ruminococcaceae	[Eubacterium] coprostanoligenes group	1.36	0.60	0.07
Firmicutes	Clostridia	Clostridiales	Lachnospiraceae	Lachnospiraceae NK4A136 group	1.36	0.73	0.09
Firmicutes	Clostridia	Clostridiales	Lachnospiraceae	Lachnospiraceae XPB1014 group	1.29	0.66	0.08
Firmicutes	Negativicutes	Selenomonadales	Acidaminococcaceae	Phascolarctobacterium	1.29	0.66	0.08
Firmicutes	Clostridia	Clostridiales	Family XIII	Mogibacterium	0.65	0.36	0.04

^aNA indicates that the taxonomic rank could not be annotated

^bPercentage relative abundances are given in terms of the mean (n = 70), standard deviation (SD) and standard error of the mean (SEM)