DetoxFungiV1, Main, Exploration, bibRecord, 000246

Comparative genome-centric analysis reveals seasonal variation in the function of coral reef microbiomes.

Identifieur interne : 000246 ( Main/Exploration ); précédent : 000245; suivant : 000247

Comparative genome-centric analysis reveals seasonal variation in the function of coral reef microbiomes.

Auteurs : Bettina Glasl [Australie] ; Steven Robbins [Australie] ; Pedro R. Frade [Portugal] ; Emma Marangon [Australie] ; Patrick W. Laffy [Australie] ; David G. Bourne [Australie] ; Nicole S. Webster [Australie]

Source :

The ISME journal [ 1751-7370 ] ; 2020.

RBID : pubmed:32123297

Descripteurs français

KwdFr :
- Algue marine (classification), Algue marine (génétique), Animaux (MeSH), Archéobactéries (génétique), Bactéries (classification), Bactéries (génétique), Bactéries (isolement et purification), Biomasse (MeSH), Eau de mer (microbiologie), Microbiote (MeSH), Métagénome (MeSH), Porifera (microbiologie), Récifs de corail (MeSH), Saisons (MeSH).
MESH :
- génétique : Algue marine, Archéobactéries, Bactéries.
- isolement et purification : Bactéries.
- microbiologie : Eau de mer, Porifera.
- classification : Algue marine, Animaux, Bactéries, Biomasse, Microbiote, Métagénome, Récifs de corail, Saisons.

English descriptors

KwdEn :
- Animals (MeSH), Archaea (genetics), Bacteria (classification), Bacteria (genetics), Bacteria (isolation & purification), Biomass (MeSH), Coral Reefs (MeSH), Metagenome (MeSH), Microbiota (MeSH), Porifera (microbiology), Seasons (MeSH), Seawater (microbiology), Seaweed (classification), Seaweed (genetics).
MESH :
- classification : Bacteria, Seaweed.
- genetics : Archaea, Bacteria, Seaweed.
- isolation & purification : Bacteria.
- microbiology : Porifera, Seawater.
- Animals, Biomass, Coral Reefs, Metagenome, Microbiota, Seasons.

Abstract

Microbially mediated processes contribute to coral reef resilience yet, despite extensive characterisation of microbial community variation following environmental perturbation, the effect on microbiome function is poorly understood. We undertook metagenomic sequencing of sponge, macroalgae and seawater microbiomes from a macroalgae-dominated inshore coral reef to define their functional potential and evaluate seasonal shifts in microbially mediated processes. In total, 125 high-quality metagenome-assembled genomes were reconstructed, spanning 15 bacterial and 3 archaeal phyla. Multivariate analysis of the genomes relative abundance revealed changes in the functional potential of reef microbiomes in relation to seasonal environmental fluctuations (e.g. macroalgae biomass, temperature). For example, a shift from Alphaproteobacteria to Bacteroidota-dominated seawater microbiomes occurred during summer, resulting in an increased genomic potential to degrade macroalgal-derived polysaccharides. An 85% reduction of Chloroflexota was observed in the sponge microbiome during summer, with potential consequences for nutrition, waste product removal, and detoxification in the sponge holobiont. A shift in the Firmicutes:Bacteroidota ratio was detected on macroalgae over summer with potential implications for polysaccharide degradation in macroalgal microbiomes. These results highlight that seasonal shifts in the dominant microbial taxa alter the functional repertoire of host-associated and seawater microbiomes, and highlight how environmental perturbation can affect microbially mediated processes in coral reef ecosystems.

DOI: 10.1038/s41396-020-0622-6
PubMed: 32123297
PubMed Central: PMC7242418

Affiliations:

Australie, Portugal

Links toward previous steps (curation, corpus...)

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Le document en format XML

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<front><div type="abstract" xml:lang="en">Microbially mediated processes contribute to coral reef resilience yet, despite extensive characterisation of microbial community variation following environmental perturbation, the effect on microbiome function is poorly understood. We undertook metagenomic sequencing of sponge, macroalgae and seawater microbiomes from a macroalgae-dominated inshore coral reef to define their functional potential and evaluate seasonal shifts in microbially mediated processes. In total, 125 high-quality metagenome-assembled genomes were reconstructed, spanning 15 bacterial and 3 archaeal phyla. Multivariate analysis of the genomes relative abundance revealed changes in the functional potential of reef microbiomes in relation to seasonal environmental fluctuations (e.g. macroalgae biomass, temperature). For example, a shift from Alphaproteobacteria to Bacteroidota-dominated seawater microbiomes occurred during summer, resulting in an increased genomic potential to degrade macroalgal-derived polysaccharides. An 85% reduction of Chloroflexota was observed in the sponge microbiome during summer, with potential consequences for nutrition, waste product removal, and detoxification in the sponge holobiont. A shift in the Firmicutes:Bacteroidota ratio was detected on macroalgae over summer with potential implications for polysaccharide degradation in macroalgal microbiomes. These results highlight that seasonal shifts in the dominant microbial taxa alter the functional repertoire of host-associated and seawater microbiomes, and highlight how environmental perturbation can affect microbially mediated processes in coral reef ecosystems.</div>
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<Abstract><AbstractText>Microbially mediated processes contribute to coral reef resilience yet, despite extensive characterisation of microbial community variation following environmental perturbation, the effect on microbiome function is poorly understood. We undertook metagenomic sequencing of sponge, macroalgae and seawater microbiomes from a macroalgae-dominated inshore coral reef to define their functional potential and evaluate seasonal shifts in microbially mediated processes. In total, 125 high-quality metagenome-assembled genomes were reconstructed, spanning 15 bacterial and 3 archaeal phyla. Multivariate analysis of the genomes relative abundance revealed changes in the functional potential of reef microbiomes in relation to seasonal environmental fluctuations (e.g. macroalgae biomass, temperature). For example, a shift from Alphaproteobacteria to Bacteroidota-dominated seawater microbiomes occurred during summer, resulting in an increased genomic potential to degrade macroalgal-derived polysaccharides. An 85% reduction of Chloroflexota was observed in the sponge microbiome during summer, with potential consequences for nutrition, waste product removal, and detoxification in the sponge holobiont. A shift in the Firmicutes:Bacteroidota ratio was detected on macroalgae over summer with potential implications for polysaccharide degradation in macroalgal microbiomes. These results highlight that seasonal shifts in the dominant microbial taxa alter the functional repertoire of host-associated and seawater microbiomes, and highlight how environmental perturbation can affect microbially mediated processes in coral reef ecosystems.</AbstractText>
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<Author ValidYN="Y"><LastName>Bourne</LastName>
<ForeName>David G</ForeName>
<Initials>DG</Initials>
<AffiliationInfo><Affiliation>Australian Institute of Marine Science, Townsville, QLD, Australia.</Affiliation>
</AffiliationInfo>
<AffiliationInfo><Affiliation>College of Science and Engineering, James Cook University, Townsville, QLD, Australia.</Affiliation>
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<AffiliationInfo><Affiliation>AIMS@JCU, Townsville, QLD, Australia.</Affiliation>
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<Author ValidYN="Y"><LastName>Webster</LastName>
<ForeName>Nicole S</ForeName>
<Initials>NS</Initials>
<Identifier Source="ORCID">http://orcid.org/0000-0002-4753-5278</Identifier>
<AffiliationInfo><Affiliation>Australian Institute of Marine Science, Townsville, QLD, Australia.</Affiliation>
</AffiliationInfo>
<AffiliationInfo><Affiliation>AIMS@JCU, Townsville, QLD, Australia.</Affiliation>
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<AffiliationInfo><Affiliation>Australian Centre for Ecogenomics, University of Queensland, Brisbane, QLD, Australia.</Affiliation>
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<ArticleDate DateType="Electronic"><Year>2020</Year>
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<Day>02</Day>
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<MedlineJournalInfo><Country>England</Country>
<MedlineTA>ISME J</MedlineTA>
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<ISSNLinking>1751-7362</ISSNLinking>
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<MeshHeadingList><MeshHeading><DescriptorName UI="D000818" MajorTopicYN="N">Animals</DescriptorName>
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<MeshHeading><DescriptorName UI="D001105" MajorTopicYN="N">Archaea</DescriptorName>
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</MeshHeading>
<MeshHeading><DescriptorName UI="D018533" MajorTopicYN="N">Biomass</DescriptorName>
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<MeshHeading><DescriptorName UI="D057894" MajorTopicYN="N">Coral Reefs</DescriptorName>
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<MeshHeading><DescriptorName UI="D054892" MajorTopicYN="N">Metagenome</DescriptorName>
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<MeshHeading><DescriptorName UI="D012623" MajorTopicYN="N">Seawater</DescriptorName>
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<MeshHeading><DescriptorName UI="D012624" MajorTopicYN="N">Seaweed</DescriptorName>
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<PubmedData><History><PubMedPubDate PubStatus="received"><Year>2019</Year>
<Month>10</Month>
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<PubMedPubDate PubStatus="accepted"><Year>2020</Year>
<Month>02</Month>
<Day>19</Day>
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<PubMedPubDate PubStatus="revised"><Year>2020</Year>
<Month>02</Month>
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<PubMedPubDate PubStatus="entrez"><Year>2020</Year>
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<PublicationStatus>ppublish</PublicationStatus>
<ArticleIdList><ArticleId IdType="pubmed">32123297</ArticleId>
<ArticleId IdType="doi">10.1038/s41396-020-0622-6</ArticleId>
<ArticleId IdType="pii">10.1038/s41396-020-0622-6</ArticleId>
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<affiliations><list><country><li>Australie</li>
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<tree><country name="Australie"><noRegion><name sortKey="Glasl, Bettina" sort="Glasl, Bettina" uniqKey="Glasl B" first="Bettina" last="Glasl">Bettina Glasl</name>
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	Serveur d'exploration sur la détoxication des champignons
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Comparative genome-centric analysis reveals seasonal variation in the function of coral reef microbiomes.

Comparative genome-centric analysis reveals seasonal variation in the function of coral reef microbiomes.

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