Morphological bases of phytoplankton energy management and physiological responses unveiled by 3D subcellular imaging.
Journal
Nature communications
ISSN: 2041-1723
Titre abrégé: Nat Commun
Pays: England
ID NLM: 101528555
Informations de publication
Date de publication:
16 02 2021
16 02 2021
Historique:
received:
05
06
2020
accepted:
12
01
2021
entrez:
17
2
2021
pubmed:
18
2
2021
medline:
24
2
2021
Statut:
epublish
Résumé
Eukaryotic phytoplankton have a small global biomass but play major roles in primary production and climate. Despite improved understanding of phytoplankton diversity and evolution, we largely ignore the cellular bases of their environmental plasticity. By comparative 3D morphometric analysis across seven distant phytoplankton taxa, we observe constant volume occupancy by the main organelles and preserved volumetric ratios between plastids and mitochondria. We hypothesise that phytoplankton subcellular topology is modulated by energy-management constraints. Consistent with this, shifting the diatom Phaeodactylum from low to high light enhances photosynthesis and respiration, increases cell-volume occupancy by mitochondria and the plastid CO
Identifiants
pubmed: 33594064
doi: 10.1038/s41467-021-21314-0
pii: 10.1038/s41467-021-21314-0
pmc: PMC7886885
doi:
Types de publication
Journal Article
Research Support, Non-U.S. Gov't
Langues
eng
Sous-ensembles de citation
IM
Pagination
1049Références
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