Table 4.

Microbiota composition ranked by abundance at genus level for Study 2

454 Pyrosequencing				Illumina MiSeq
Rank	Genus	Average Abundance	S.D.	Rank	Genus	Average Abundance	S.D.
1	Prevotella	13.2% ± 3.9%		1	Prevotella	8.8% ± 1.9%
2	Lactobacillus	8.2% ± 3.1%		2	Lactobacillus	5.4% ± 1.5%
3	Faecalibacterium	4.3% ± 1.5%		3	Blautia	4.1% ± 0.8%
4	Blautia	4.2% ± 1.5%		4	Ruminococcus	3.3% ± 0.8%
5	Coprococcus	2.3% ± 0.8%		5	Faecalibacterium	2.2% ± 0.5%
6	Roseburia	2.2% ± 1.2%		6	Coprococcus	2.1% ± 0.3%
7	Ruminococcus	1.7% ± 0.8%		7	Roseburia	1.7% ± 0.5%
8	Oscillospira	1.5% ± 0.5%		8	Streptococcus	1.5% ± 0.7%
9	Dorea	1.1% ± 0.5%		9	Oscillospira	1.3% ± 0.3%
10	Bacteroides	1.0% ± 0.4%		10	Clostridium	1.2% ± 0.2%
	Unclassified genera	46.5%		11	Dorea	1.2% ± 0.2%
	Genera below 1%	13.9%			Treponema	1.0% ± 0.3%
					Unclassified genera	49.6%
					Genera below 1%	16.5%