Table 3.

Effects of feeding a high-grain (HG) diet on average relative abundance of phylum (% of total sequences) in colonic mucosa.

Phylum	CON	HG7	HG14	HG28	SEM	FDR
Firmicutes	29.28b	58.22a	54.46a	68.68a	3.867	0.022
Bacteroidetes	8.44b	25.26a	21.17a	20.84a	1.735	0.022
Proteobacteria	13.68	14.00	22.00	6.50	2.396	0.185
Spirochaetae	46.36a	0.01b	0.71ab	0.16b	4.734	0.022
Actinobacteria	0.29b	1.81a	0.75ab	2.28a	0.286	0.022
Verrucomicrobia	0.70	0.39	0.29	0.52	0.087	0.404
Tenericutes	0.19	0.11	0.38	0.34	0.050	0.190
Cyanobacteria	0.54a	0.02c	0.03bc	0.29ab	0.058	0.022
Lentisphaerae	0.19	<0.01	0.02	0.01	0.025	0.061
Unclassified bacteria	0.05	0.10	0.11	0.17	0.028	0.611
Fibrobacteres	0.09	<0.01	0.05	0.05	0.013	0.185
Elusimicrobia	0.12a	0.00c	0.00bc	0.03ab	0.014	0.022
Candidate_division_TM7	0.05a	0.01b	0.01b	0.10a	0.015	0.025
Deinococcus-Thermus	<0.01	0.05	0.01	0.01	0.007	0.123
Synergistetes	<0.01	<0.01	<0.01	0.01	0.001	0.364
Chloroflexi	<0.01	<0.01	<0.01	0.01	0.001	0.281
Fusobacteria	<0.01	<0.01	<0.01	<0.01	0.001	0.323
Acidobacteria	<0.01	<0.01	<0.01	<0.01	0.001	0.052
Deferribacteres	<0.01	<0.01	<0.01	<0.01	<0.001	0.454
Candidate_division_SR1	<0.01	<0.01	<0.01	<0.01	<0.001	0.604
BD1-5	<0.01	<0.01	<0.01	<0.01	<0.001	0.454