Microbial community structural characteristics and associated relationships with environmental factors in different ecological habitats

Author:

Yang Songnan1,Zhou Huiping1,Pang Zhongzheng1,Wang Yiqun1,Chao Jianying2

Affiliation:

1. Changzhou University

2. MEE: Ministry of Ecology and Environment of the People's Republic of China

Abstract

Abstract Aquatic ecological habitats are widely distributed and essential for the development of microorganisms, yet little is known about the community structures of prokaryotes and eukaryotes of periphytic biofilms under different habitats. The microbial community thus among five distinct ecological habitats were investigated in winter from 14 periphytic biofilms samples using 16S rRNA and 18S rRNA genes sequencing, the relationships between microbial community and environmental factors were illustrated simultaneously. The results revealed that several dominant microorganisms within periphytic biofilms were Proteobacteria (42.56%), Bacteroidota (21.57%), Cyanobacteria (9.22%) and Verrucomicrobiota (9.18%) in prokaryotes, similar to the planktonic compositions. Whereas Bacillariophyta (29.64%), Chlorophyta (19.38%), Annelida (12.77%) and Ciliophora (9.17%) in eukaryotes were dominated. The prokaryotic biodiversity in natural periphyton was obviously higher than their corresponding water columns. Several specific genera such as Flavobacterium (20.67%), Luteolibacter (11.35%), Surirella, Gomphonema (9.44%) and Nais (7.81%) were enriched in the periphytic biofilms. Besides, the structural equation model indicated that TP, \({\text{N}\text{O}}_{3}^{-}-\text{N}\) and pH significantly affected the biomass. Further, pH, TP and TN significantly influenced microbial genera which mainly belonging to Proteobacteria and Chlorophyta phyla through network analysis and random forest analysis. Meanwhile, the network analysis potentially revealed higher stability and interconnection between prokaryotes and eukaryotes in periphytic biofilms. Microbial functional predictions types were not significantly differently distributed within varied habitats. These findings highlighted that microbial communities exhibited spatial ecological variations due to the joint influence of environmental variables. This study provided useful information for understanding the variations in prokaryotes and eukaryotes of periphytic biofilms among different ecological habitats.

Publisher

Research Square Platform LLC

同舟云学术

1.学者识别学者识别

2.学术分析学术分析

3.人才评估人才评估

"同舟云学术"是以全球学者为主线,采集、加工和组织学术论文而形成的新型学术文献查询和分析系统,可以对全球学者进行文献检索和人才价值评估。用户可以通过关注某些学科领域的顶尖人物而持续追踪该领域的学科进展和研究前沿。经过近期的数据扩容,当前同舟云学术共收录了国内外主流学术期刊6万余种,收集的期刊论文及会议论文总量共计约1.5亿篇,并以每天添加12000余篇中外论文的速度递增。我们也可以为用户提供个性化、定制化的学者数据。欢迎来电咨询!咨询电话:010-8811{复制后删除}0370

www.globalauthorid.com

TOP

Copyright © 2019-2024 北京同舟云网络信息技术有限公司
京公网安备11010802033243号  京ICP备18003416号-3