Correlation between relative abundance of the
bacterial phylum Patescibacteria and aggressive behavior in male hamsters after 9 weeks of photoperiodic treatment. (A,B) The relative abundance of Patescibacteria was significantly correlated with the number of attacks in SD-NR males (A), but not in LD or SD-R males (B). (C,D) The relative abundance of Patescibacteria was significantly correlated with attack duration in SD-NR males (C), but not in LD or SD-R males (D). For each treatment group (LD: N=6, SD-R: N=6, SD-NR: N=6), correlation coefficients (ρ) and P-values are shown (Spearman's rank correlations).