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. 2021 Jul 2;12:679793. doi: 10.3389/fmicb.2021.679793

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Copyright © 2021 Dong, Song, Yin, Liu, Li and Fan.

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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Stacked 16S rRNA gene abundance in H₂¹⁸O heavy or light fraction at different times. Light and heavy fractions in H₂¹⁸O treatments represented DNA of dead and active bacteria and archaea, respectively.