Multiple Stressors Determine Community Structure and Estimated Function of River Biofilm Bacteria.
Bacteria
/ classification
Bacterial Physiological Phenomena
Biofilms
Climate Change
Desiccation
Hot Temperature
/ adverse effects
Microbiota
/ physiology
Pesticides
/ adverse effects
RNA, Bacterial
/ analysis
RNA, Ribosomal, 16S
/ analysis
Rivers
/ microbiology
Stress, Physiological
Water Pollutants, Chemical
/ adverse effects
antagonism
bacterial community
metabarcoding
multiple stressors
river biofilm
Journal
Applied and environmental microbiology
ISSN: 1098-5336
Titre abrégé: Appl Environ Microbiol
Pays: United States
ID NLM: 7605801
Informations de publication
Date de publication:
02 06 2020
02 06 2020
Historique:
received:
09
02
2020
accepted:
28
03
2020
pubmed:
5
4
2020
medline:
30
10
2020
entrez:
5
4
2020
Statut:
epublish
Résumé
Freshwater ecosystems are exposed to multiple stressors, but their individual and combined effects remain largely unexplored. Here, we investigated the response of stream biofilm bacterial communities to warming, hydrological stress, and pesticide exposure. We used 24 artificial streams on which epilithic (growing on coarse sediments) and epipsammic (growing on fine sediments) stream biofilms were maintained. Bacterial community composition and estimated function of biofilms exposed during 30 days to individual and combined stressors were assessed using 16S rRNA gene metabarcoding. Among the individual effects by stressors, hydrological stress (i.e., a simulated low-flow situation) was the most relevant, since it significantly altered 57% of the most abundant bacterial taxa (
Identifiants
pubmed: 32245764
pii: AEM.00291-20
doi: 10.1128/AEM.00291-20
pmc: PMC7267204
pii:
doi:
Substances chimiques
Pesticides
0
RNA, Bacterial
0
RNA, Ribosomal, 16S
0
Water Pollutants, Chemical
0
Types de publication
Journal Article
Research Support, Non-U.S. Gov't
Langues
eng
Sous-ensembles de citation
IM
Informations de copyright
Copyright © 2020 American Society for Microbiology.
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