Fig. 4: This figure represents gut microbiota composition, heat map, and correlation analysis across study groups.

A represents Phylum level composition of gut microbiota in different groups, B shows Genus level composition of Proteobacteria in different groups, C is Heat map of gut microbiota composition in different groups at the species level (D). Heatmap of spearman’s correlation between gut microbiota, SCFA’s, and chronic stress-related physiological traits. Normal normal or No stress, FBR Fermented brown rice, Drug (Flu) Fluoxetine, LD Low dose, MD Medium dose, HD High dose.