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. 2020 May 4;11:311. doi: 10.3389/fphys.2020.00311

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Copyright © 2020 Meng, Chen, Lin, Wang, Xu and Weng.

This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner(s) are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

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Composition of the gut microbiota shaped by cold exercise. (A) Changes in Shannon diversity, defined as the end point Shannon index value minus the first day Shannon index value. (B) Permutational multivariate ANOVA (PERMANOVA) of gut microbe beta-diversity between intervention and baseline within and between groups. The dotted line represents *P < 0.05. Label colors represent the different experimental groups. (C–E). Principal coordinate analysis of unweighted UniFrac revealed clustering of the gut microbiota after cold exercise. Each dot represents a fecal community.