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. 2021 Jan 18;11:618601. doi: 10.3389/fmicb.2020.618601

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Copyright © 2021 Ali, Lou, Hafeez, Li, Hossain, Xie, Lin, Li, Yin, Yan and An.

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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Agarose gel electrophoresis shows PCR amplification of nifH gene fragments (323 bp) from P. peoriae strains RP20, RP51, and RP62 but not P. peoriae strain CGMCC 1.3761^T and CFCC 1854, Paenibacillus sp. RP31, and P. kribbensis CFCC1865.