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Diversity and composition of the gut microbiota.
The Chao1 index estimates the community richness. The higher the value is, the higher the level of species richness is. The Shannon index estimates the community diversity. The higher the value is, the higher the level of species richness is. Compared with the vehicle group, analysis of alpha diversity via the Shannon index revealed lower diversity in the mice in the Abx and Abx+N1115 groups (*p<0.01; **p<0.05, respectively).
