The biogeographic differentiation of algal microbiomes in the upper ocean from pole to pole.
Antarctic Regions
Arctic Regions
Biodiversity
Carbon Cycle
Climate Change
Gene Ontology
Genetic Variation
Geography
Global Warming
Microalgae
/ classification
Microbiota
/ genetics
Oceans and Seas
Phytoplankton
/ classification
RNA, Ribosomal, 16S
/ genetics
RNA, Ribosomal, 18S
/ genetics
Sequence Analysis, DNA
/ methods
Species Specificity
Temperature
Transcriptome
/ genetics
Journal
Nature communications
ISSN: 2041-1723
Titre abrégé: Nat Commun
Pays: England
ID NLM: 101528555
Informations de publication
Date de publication:
16 09 2021
16 09 2021
Historique:
received:
12
02
2021
accepted:
12
08
2021
entrez:
17
9
2021
pubmed:
18
9
2021
medline:
21
10
2021
Statut:
epublish
Résumé
Eukaryotic phytoplankton are responsible for at least 20% of annual global carbon fixation. Their diversity and activity are shaped by interactions with prokaryotes as part of complex microbiomes. Although differences in their local species diversity have been estimated, we still have a limited understanding of environmental conditions responsible for compositional differences between local species communities on a large scale from pole to pole. Here, we show, based on pole-to-pole phytoplankton metatranscriptomes and microbial rDNA sequencing, that environmental differences between polar and non-polar upper oceans most strongly impact the large-scale spatial pattern of biodiversity and gene activity in algal microbiomes. The geographic differentiation of co-occurring microbes in algal microbiomes can be well explained by the latitudinal temperature gradient and associated break points in their beta diversity, with an average breakpoint at 14 °C ± 4.3, separating cold and warm upper oceans. As global warming impacts upper ocean temperatures, we project that break points of beta diversity move markedly pole-wards. Hence, abrupt regime shifts in algal microbiomes could be caused by anthropogenic climate change.
Identifiants
pubmed: 34531387
doi: 10.1038/s41467-021-25646-9
pii: 10.1038/s41467-021-25646-9
pmc: PMC8446083
doi:
Substances chimiques
RNA, Ribosomal, 16S
0
RNA, Ribosomal, 18S
0
Types de publication
Journal Article
Research Support, Non-U.S. Gov't
Research Support, U.S. Gov't, Non-P.H.S.
Langues
eng
Sous-ensembles de citation
IM
Pagination
5483Subventions
Organisme : Biotechnology and Biological Sciences Research Council
ID : BBS/E/T/000PR9817
Pays : United Kingdom
Organisme : Biotechnology and Biological Sciences Research Council
ID : BB/CSP1720/1
Pays : United Kingdom
Informations de copyright
© 2021. The Author(s).
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