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Front. Microbiol. | doi: 10.3389/fmicb.2019.01661

Structural Variations of Bacterial Community Driven by Sphagnum Microhabitat Differentiation in a Subalpine Peatland

  • 1China University of Geosciences Wuhan, China

Sphagnum microbiomes play an important role in the northern peatland ecosystems. However, information about above and belowground microbiomes related to Sphagnum at subtropical area remains largely limited. In this study, microbial communities from Sphagnum palustre peat, S. palustre green part and S. palustre brown part at the Dajiuhu Peatland, central China were investigated via 16S rRNA gene amplicon sequencing. Results indicated that Alphaproteobacteria was the dominant class in all samples, and the class Acidobacteria and Gammaproteobacteria were abundant in S. palustre peat and S. palustre brown part samples, respectively. In contrast, the class Cyanobacteria dominated in S. palustre green part samples. Microhabitat differentiation mainly contributes to structural differences of bacterial microbiome. In the S. palustre peat, microbial communities were significantly shaped by water table and total nitrogen content. Our study is a systematical investigation on above and belowground bacterial microbiome in a subalpine Sphagnum peatland and the results offer new knowledge about the distribution of bacterial microbiome associated with different microhabitats in subtropical area.

Keywords: subalpine peatland, S. palustre, microhabitat, microbial diversity, water table, Total nitrogen

Received: 31 Mar 2019; Accepted: 04 Jul 2019.

Edited by:

Hinsby Cadillo-Quiroz, Arizona State University, United States

Reviewed by:

Carl-Eric Wegner, Friedrich Schiller University Jena, Germany
Heli Juottonen, University of Jyväskylä, Finland  

Copyright: © 2019 Tian, Wang, Xiang, Wang and Xu. 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.

* Correspondence: Prof. Hongmei Wang, China University of Geosciences Wuhan, Wuhan, 430074, Hubei Province, China, wanghmei04@163.com