The mystery of the ice cold rose-Microbiome of an Arctic winter frost flower.
Cand. Nitrosopumilus
SAR11
The Nansen Legacy
arctic microbes
microbial ecology
sea ice
Journal
MicrobiologyOpen
ISSN: 2045-8827
Titre abrégé: Microbiologyopen
Pays: England
ID NLM: 101588314
Informations de publication
Date de publication:
02 2023
02 2023
Historique:
revised:
27
01
2023
received:
12
11
2022
accepted:
27
01
2023
entrez:
24
2
2023
pubmed:
25
2
2023
medline:
3
3
2023
Statut:
ppublish
Résumé
Under very cold conditions, delicate ice-crystal structures called frost flowers emerge on the surface of newly formed sea ice. These understudied, ephemeral structures include saline brine, organic material, inorganic nutrients, and bacterial and archaeal communities in their brine channels. Hitherto, only a few frost flowers have been studied during spring and these have been reported to be dominated by Rhizobia or members of the SAR11 clade. Here we report on the microbiome of frost flowers sampled during the winter and polar night in the Barents Sea. There was a distinct difference in community profile between the extracted DNA and RNA, but both were dominated by members of the SAR11 clade (78% relative abundance and 41.5% relative activity). The data further suggested the abundance and activity of Cand. Nitrosopumilus, Nitrospinia, and Nitrosomonas. Combined with the inference of marker genes based on the 16S rRNA gene data, this indicates that sulfur and nitrogen cycling are likely the major metabolism in these ephemeral structures.
Identifiants
pubmed: 36825884
doi: 10.1002/mbo3.1345
pmc: PMC9898838
doi:
Substances chimiques
brine
0
RNA, Ribosomal, 16S
0
Types de publication
Journal Article
Research Support, Non-U.S. Gov't
Langues
eng
Sous-ensembles de citation
IM
Pagination
e1345Informations de copyright
© 2023 The Authors. MicrobiologyOpen published by John Wiley & Sons Ltd.
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