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. 2013 Apr 26;121(6):725–730. doi: 10.1289/ehp.1306534

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Exercise prevents PCB-induced alterations of the gut microbiome. (A) PCoA and (B) HC‑AN analysis based on weighted Unifrac distance of the 1,568 taxa with significant differences in abundance in at least one of the categories (PCoA1, 71% of variation; PCoA2, 11% of variation). (C) Proteobacteria content in vehicle-treated control and PCB-treated sedentary and exercised mice; values are mean ± SE of pooled taxa in phylum Proteobacteria. *p < 0.05 compared with controls.