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Principal coordinate analysis plots in fecal microbiota. Bray_curtis PCoA plot based on OTU abundance. Each point represents the microbiome of a sample, with Uyghur UC group (red triangle), Uyghur normal control group (blue triangle), Han UC group (green triangle), and Han normal control group (HN) (yellow circle). PCoA = principal coordinate analysis, UC = ulcerative colitis.
