Relative abundance of specific taxa. Firmicutes to Bacteroides ratio (A) and relative abundance in major phylum (B–D) and family taxa (E–H). WT, wild type; IL-10, interleulin 10; KO, knockout. Kruskal–Wallis P < 0.05 for (A–H). *P < 0.013, **P < 0.0025 after Holm–Bonferroni correction.