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A systematic approach re-analyzing the effects of temperature disturbance on the microbial community of mesophilic anaerobic digestion
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A systematic approach re-analyzing the effects of temperature disturbance on the microbial community of mesophilic anaerobic digestion
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Journal Article
A systematic approach re-analyzing the effects of temperature disturbance on the microbial community of mesophilic anaerobic digestion
2019
Overview
Microbial communities are key drivers of ecosystem processes, but their behavior in disturbed environments is difficult to measure. How microbial community composition and function respond disturbances is a common challenge in biomedical, environmental, agricultural, and bioenergy research. A novel way to solve this problem is to use a systems-level perspective and describe microbial communities as networks. Based on a mesophilic anaerobic digestion system of swine manure as a tool, we propose a simple framework to investigate changes in microbial communities via compositions, metabolic pathways, genomic properties and interspecies relationships in response to a long-term temperature disturbance. After temperature disturbance, microbial communities tend towards a competitive interaction network with higher GC content and larger genome size. Based on microbial interaction networks, communities responded to the disturbance by showing a transition from acetotrophic (
Methanotrichaceae
and
Methanosarcinaceae
) to methylotrophic methanogens (
Methanomassiliicoccaceae
and
Methanobacteriaceae
) and a fluctuation in rare biosphere taxa. To conclude, this study may be important for exploring the dynamic relationships between disturbance and microbial communities as a whole, as well as for providing researchers with a better understanding of how changes in microbial communities relate to ecological processes.
Publisher
Nature Publishing Group UK,Nature Publishing Group
Subject
/ Animals
/ Base Composition - physiology
/ Biogas
/ Genome, Bacterial - genetics
/ Genomes
/ Humanities and Social Sciences
/ Manures
/ Methanobacteriaceae - genetics
/ Methanobacteriaceae - physiology
/ Methanomicrobiaceae - genetics
/ Methanomicrobiaceae - physiology
/ RNA, Ribosomal, 16S - genetics
/ Science
/ Swine
