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. 2018 Jul 17;9:1576. doi: 10.3389/fmicb.2018.01576

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Copyright © 2018 Deng, Deng, Yang, Li, Wang and Yuan.

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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Relative abundance of the top 10 phyla (A) and proteobacterial classes (B) in samples based on 16S rRNA genes sequences. G, samples from gas field; NG, samples from non-gas field; O, original samples without incubation; NB, incubated without butane; 12C, incubated with ¹²C-butane.