表 1. Relative abundance of gut microbiota at phylum and genus levels at 3 weeks ().

3周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 group (n=5)	TMC3115 group (n=5)
* P<0.05, *** P<0.001, vs. NS group.
Phylum	Firmicutes/%	50.50±2.62	49.02±7.68
	Actinobacteria/%	2.61±0.45	11.76±3.34***
	Proteobacteria/%	3.44±0.84	1.12±0.09
	Bacteroidetes/%	42.93±2.53	37.25±6.11
	(Bacteroidetes/Firmicutes)/%	0.87±0.09	0.93±0.27
Genus	Lactobacillus/%	29.19±2.14	40.97±9.25
	Bifidobacterium/%	1.79±3.34	17.45±5.99***
	Staphylococcus/%	3.64±0.68	2.32±0.28*
	Enterococcus/%	9.95±3.62	4.12±0.54*
	Ruminococcus/%	0.36±0.07	0.25±0.05
	(Escherichia/Shigella)/%	2.25±1.45	0.20±0.08