ArticleCurrent zoology2026
Sex and social group altered the gut microbiome and fecal metabolome in the critically endangered Yangtze finless porpoise (
Article in Current zoology, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
Factors like sex, diet changes, hormone levels, and stressors disrupt animals' symbiotic bacterial communities. Maintaining healthy bacterial communities is particularly challenging for social species, as group membership, social relationships, microbial transfer, and social stressors influence their microbiotas. This study investigated the influence of sex and social dynamics on the gut microbiome and associated metabolites in the captive Yangtze finless porpoise (YFP), employing 16S rRNA gene sequencing and ultra-high-performance liquid chromatography with tandem mass spectrometry-based metabolomic analyses. The present study reveals that sex and social grouping, that is, male-male (MM), female-female (FF), and male-female (MF) groups, significantly influence the alpha and beta diversity in the captive YFP. The phylum Firmicutes were increased considerably in the FF social group, while Proteobacteria, Cyanobacteria, and Fusobacteriota were significantly increased in the MM group, while Desulfobacterota were risen considerably in the MF group. The genera
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