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Distinct gut microbiota in Chinese and African groups. Bacterial species commonly and rarely present in either Chinese or Africans (A). Boxplot showing the Firmicutes/Bacteroidetes ratio of community for the two groups (B). The cladogram (C) was generated to depict the key and most differentially abundant taxa associated with ethnicity in Chinese (red) and Africans (green). Logarithmic LDA score = 3.8, and α-value = 0.05. *P < 0.05, **P < 0.01, ***P < 0.001.
