Friends or Foes—Microbial Interactions in Nature

Microorganisms are present in nearly every niche on Earth and mainly do not exist solely but form communities of single or mixed species. Within such microbial populations and between the microbes and a eukaryotic host, various microbial interactions take place in an ever-changing environment. Those...

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Main Author: Nancy Weiland-Bräuer
Format: Article
Language:English
Published: MDPI AG 2021-06-01
Series:Biology
Subjects:
Online Access:https://www.mdpi.com/2079-7737/10/6/496
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author Nancy Weiland-Bräuer
author_facet Nancy Weiland-Bräuer
author_sort Nancy Weiland-Bräuer
collection DOAJ
description Microorganisms are present in nearly every niche on Earth and mainly do not exist solely but form communities of single or mixed species. Within such microbial populations and between the microbes and a eukaryotic host, various microbial interactions take place in an ever-changing environment. Those microbial interactions are crucial for a successful establishment and maintenance of a microbial population. The basic unit of interaction is the gene expression of each organism in this community in response to biotic or abiotic stimuli. Differential gene expression is responsible for producing exchangeable molecules involved in the interactions, ultimately leading to community behavior. Cooperative and competitive interactions within bacterial communities and between the associated bacteria and the host are the focus of this review, emphasizing microbial cell–cell communication (quorum sensing). Further, metagenomics is discussed as a helpful tool to analyze the complex genomic information of microbial communities and the functional role of different microbes within a community and to identify novel biomolecules for biotechnological applications.
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spelling doaj.art-226026ed27794fedba66f7d6351659712023-11-21T22:33:50ZengMDPI AGBiology2079-77372021-06-0110649610.3390/biology10060496Friends or Foes—Microbial Interactions in NatureNancy Weiland-Bräuer0Institute of General Microbiology, Kiel University, 24118 Kiel, GermanyMicroorganisms are present in nearly every niche on Earth and mainly do not exist solely but form communities of single or mixed species. Within such microbial populations and between the microbes and a eukaryotic host, various microbial interactions take place in an ever-changing environment. Those microbial interactions are crucial for a successful establishment and maintenance of a microbial population. The basic unit of interaction is the gene expression of each organism in this community in response to biotic or abiotic stimuli. Differential gene expression is responsible for producing exchangeable molecules involved in the interactions, ultimately leading to community behavior. Cooperative and competitive interactions within bacterial communities and between the associated bacteria and the host are the focus of this review, emphasizing microbial cell–cell communication (quorum sensing). Further, metagenomics is discussed as a helpful tool to analyze the complex genomic information of microbial communities and the functional role of different microbes within a community and to identify novel biomolecules for biotechnological applications.https://www.mdpi.com/2079-7737/10/6/496microorganismsinteractionsymbiosismetaorganismmetagenomicsbiofilms
spellingShingle Nancy Weiland-Bräuer
Friends or Foes—Microbial Interactions in Nature
Biology
microorganisms
interaction
symbiosis
metaorganism
metagenomics
biofilms
title Friends or Foes—Microbial Interactions in Nature
title_full Friends or Foes—Microbial Interactions in Nature
title_fullStr Friends or Foes—Microbial Interactions in Nature
title_full_unstemmed Friends or Foes—Microbial Interactions in Nature
title_short Friends or Foes—Microbial Interactions in Nature
title_sort friends or foes microbial interactions in nature
topic microorganisms
interaction
symbiosis
metaorganism
metagenomics
biofilms
url https://www.mdpi.com/2079-7737/10/6/496
work_keys_str_mv AT nancyweilandbrauer friendsorfoesmicrobialinteractionsinnature