Appendix 1. The Sequencing Results of Every Band in the DGGE Profiles ^a.

Band Number	Species	Closest relative ID in NCBI	Size, bp	Identities, %
1-1,2-4,3-4,4-4,6-4,7-4,8-4, 9-3,11-4,12-4,13-4,14-1	Clostridium spp.	JN605802	664	100
1-2,2-5,3-5,4-5,6-5,7-5,8-5, 9-4,11-5,12-5,13-5,14-2	C. sardiniense	FJ546743	681	99
1-3,2-6,3-6,4-6,5-3,6-5,7-6,8-6,9-5,10-1,11-6,12-6,13-614-3,15-1	Escherichia fergusonii	HE612113	1211	100
1-4,2-7,3-7,4-7,5-4,6-7,7-7,8-7,9-6,10-2,11-7,12-7,13-7, 14-4,15-2	Enterococcus faecium	JQ778275	1473	99
1-5,2-8,3-8,4-8,5-5,6-8,7-8,8-8,9-7,10-311-8,12-8,13-8,14-5,15-3,17-6,22-5,27-7	E. coli	HQ622348	1511	100
2-1,3-1,4-1,6-1,7-1,8-1,9-1, 11-1,12-1,13-1	P. anaerobius	GQ496449	300	100
2-2,2-3,3-2,3-3,4-2,4-3,5-1, 5-2,6-2,6-3,7-2,7-3,8-2,8-3,9-2,11-211-3,12-2,12-3,13-2,13-3	Bacteroides vulgatus	JF298877	540	99
16-1,17-1,18-1,19-1,20-1,21-1,23-1,24-1,25-1,26-1,27-1,28-1,29-1,30-1	Clostridium spp.	AM774623	354	99
16-2.17-2,18-2,19-2,20-3,21-1,22-2,23-2, 24-2,25-2,26-2,28-2,28-3,29-2,30-2	Uncultured bacterium	JF256482	644	100
16-3,17-3,18-3,19-4,20-4,21-3,22-2,23-3,24-3,25-3,26-3,27-2,28-4,29-4,30-5	Bacteroides spp.	AM117579	821	100
16-4,18-4,19-5,20-5,21-4,23-4,24-4,25-4,26-4,27-3,28-5,29-5,30-6	Bifidobacterium spp.	AM117580	845	99
16-6,17-4,18-5,19-6,20-7,21-5,22-3,23-5,24-5,25-6,26-5,28-6,29-7,30-8	Lactobacillus spp.	JH164960	936	99
16-7,17-6,18-6,20-8,21-5,22-5,23-7,24-7, 25-7.26-6,27-5,28-8,29-8,30-8	B. infantis	HQ591348	1369	99
16-5,20-6,25-5,27-4,29-6,30-7	P. bacterium	AXYJ01000008	1222	100

^ai - i′ stands for the i′_th band of the i _th lane in Figure 1.