Fig. 9

16S rRNA gene sequencing of the gut microbiota in mice. a Timeline of the experiments. b The sucrose preference ratio in sucrose preference test (SPT). c The immobility time in tail suspension test (TST). d The immobility time in forced swimming test (FST). e Observed species index. f Shannon index. g PCoA analysis. h Heatmap showing the relative abundance of differential flora at the phylum level. Relative abundance of different bacteria at the phylum level. i Heatmap showing the relative abundance of Parasutterella, Ruminococcus, Geothrix and Succinivibionaceae_UCG-002 at the genus level. Data are presented as mean ± SD (n = 3 in each group). *P < 0.05 vs. Control group