Relative abundance, mice as n (32 mice), uncorrected p < 0.05: 14 of 30 taxa, 13 of them lower in KO (01, 02, 05, 06, 08, 09, 14, 15, 16, 17, 21, 23, 29, 30) CLR, mice as n, Benjamini-Hochberg q < 0.05: 3 of 30 taxa (01, 06, 25) CLR averaged per cage, cages as n (4 vs 4), Benjamini-Hochberg q < 0.05: 1 of 30 taxa (01) Taxon 01, KO vs WT relative to the geometric mean of all taxa (cages as n): 3.43-fold (95% CI 2.57 to 4.58), p = 4.6e-05, q = 0.0014