Fig. 3From: 16S rRNA gene sequencing reveals the effect of fluoxetine on gut microbiota in chronic unpredictable stress-induced depressive-like ratsBeta diversity of the OTUs. A, UPGMA tree analysis of the relative abundance at the phylum level. B, PCoA analysis was used to assess microbial community differences. C, beta diversity analysis among groups. *: p < 0.05 vs. the Control by the non-parametric Kruskal–Wallis testBack to article page