Fig. 3

Structural comparison of the faecal microbiota among the control group (n = 4), TNBS group (n = 5) and TNBS + MSC group (n = 5). a Clustering of bacterial microbial composition at the phylum level in different samples. b The bacterial microbial composition in different experimental groups at the phylum levels. c The relative abundance of bacterial groups at the phylum level between groups tested by means of one-way nonparametric Analysis of Variance (ANOVA) (Kruskal–Wallis H test). *P < 0.05, **P < 0.01, ***P < 0.001. d Clustering of the bacterial microbial composition at the genus level in different samples. e The composition of bacterial microbial composition in different experimental groups at the genus level. f The relative abundance of bacterial groups at the genus level between groups tested by one-way nonparametric ANOVA(Kruskal–Wallis H test). *P < 0.05, **P < 0.01, ***P < 0.001