Molecular underpinnings and biogeochemical consequences of enhanced diatom growth in a warming Southern Ocean.
Southern Ocean
diatoms
iron limitation
metatranscriptomics
temperature
Journal
Proceedings of the National Academy of Sciences of the United States of America
ISSN: 1091-6490
Titre abrégé: Proc Natl Acad Sci U S A
Pays: United States
ID NLM: 7505876
Informations de publication
Date de publication:
27 07 2021
27 07 2021
Historique:
entrez:
24
7
2021
pubmed:
25
7
2021
medline:
15
12
2021
Statut:
ppublish
Résumé
The Southern Ocean (SO) harbors some of the most intense phytoplankton blooms on Earth. Changes in temperature and iron availability are expected to alter the intensity of SO phytoplankton blooms, but little is known about how these changes will influence community composition and downstream biogeochemical processes. We performed light-saturated experimental manipulations on surface ocean microbial communities from McMurdo Sound in the Ross Sea to examine the effects of increased iron availability (+2 nM) and warming (+3 and +6 °C) on nutrient uptake, as well as the growth and transcriptional responses of two dominant diatoms,
Identifiants
pubmed: 34301906
pii: 2107238118
doi: 10.1073/pnas.2107238118
pmc: PMC8325266
pii:
doi:
Substances chimiques
Light-Harvesting Protein Complexes
0
Plastocyanin
9014-09-9
Nitrogen
N762921K75
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
Informations de copyright
Copyright 2021 the Author(s). Published by PNAS.
Déclaration de conflit d'intérêts
The authors declare no competing interest.
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