Fig. 4: The effect of abdominal LIPUS treatment on gut microbiota in hindlimb unloaded mice.

A Differences in the distribution of OTUs between groups using the Venn diagram. B Chao 1 index. C Shannon index. D Principal component analysis (PCA). E Gut bacterial composition at the phylum level. F Gut bacterial composition at the genus level. The relative abundance of top 10 genus. The data were expressed as mean ± SD, *p < 0.05 and **p < 0.01.