表 2. Relative abundance of gut microbiota at phylum and genus levels at the end of the experiment ().

实验结束时小鼠肠道菌群门水平和属水平的物种平均相对丰度（）

Phylum/Genus		NS-water group (n=5)	NS-DSS group (n=5)	TMC3115-water group (n=5)	TMC3115-DSS group (n=5)
# P<0.05, ## P<0.01, ### P<0.001, vs. NS-DSS group.
Phylum	Firmicutes/%	29.46±1.62	35.91±3.55	47.77±3.56	47.44±4.99
	Actinobacteria/%	1.31±0.39	0.93±0.24	0.52±0.08	0.33±0.05
	Proteobacteria/%	6.75±2.41	18.14±8.61	4.31±1.09	4.31±0.42#
	Bacteroidetes/%	61.12±4.43	44.15±6.51	45.63±2.61	47.52±5.19
	(Bacteroidetes/Firmicutes)/%	2.13±0.26	1.24±0.14	0.99±0.13	1.10±0.24
Genus	Lactobacillus/%	7.11±1.11	6.81±2.25	34.92±8.89	35.69±5.04##
	Bifidobacterium/%	0.02±0.01	0.03±0.01	0.002±0.002	0.24±0.11
	Staphylococcus/%	2.09±0.58	1.49±0.19	0.29±0.09	0.04±0.01#
	Enterococcus/%	0.01±0.003	0.02±0.02	0.004±0.002	0.06±0.03
	Ruminococcus/%	0.65±0.09	0.44±0.07	0.09±0.03	0.003±0.001###
	(Escherichia/Shigella)/%	0.72±0.68	13.50±8.43	0.35±0.33	0.83±0.25#