期刊
MICROORGANISMS
卷 9, 期 12, 页码 -出版社
MDPI
DOI: 10.3390/microorganisms9122520
关键词
diet shift; exercise; gut microbiome; host factors; the composition of gut microbiome
类别
资金
- Forest Resources Research Program by the Korea Forest Service, Republic of Korea [2017028A00-1719-BA01]
- Korea Basic Science Institute (KBSI) [K113000]
This study compared the impact of transitioning from a meatatarian diet to a vegetarian diet and engaging in physical exercise on the composition of the gut microbiome. The results showed that physical exercise had a more significant effect on the microbiome composition than diet transition, with differences in the patterns of change and diversity.
The determining factors of the composition of the gut microbiome are one of the main interests in current science. In this work, we compared the effect of diet shift (DS) from heavily relying on meatatarian diets to vegetarian diets and physical exercise (EX) on the composition of the gut microbiome after 3 months. Although both DS and EX affected the composition of the gut microbiome, the patterns of alteration were different. The alpha-diversity analyzed by InvSimpson, Shannon, Simpson, and Evenness showed that both EX and DS affected the microbiome, causing it to become more diverse, but EX affected the gut microbiome more significantly than DS. The beta-diversity analyses indicated that EX and DS modified the gut microbiome in two different directions. Co-occurrence network analysis confirmed that both EX and DS modified the gut microbiome in different directions, although EX modified the gut microbiome more significantly. Most notably, the abundance of Dialister succinatiphilus was upregulated by EX, and the abundances of Bacteroides fragilis, Phascolarctobacterium faecium, and Megasphaera elsdenii were downregulated by both EX and DS. Overall, EX modulated the composition of the gut microbiome more significantly than DS, meaning that host factors are more important in determining the gut microbiome than diets. This work also provides a new theoretical basis for why physical exercise is more health-beneficial than vegetarian diets.
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