A guanosine tetraphosphate (ppGpp) mediated brake on photosynthesis is required for acclimation to nitrogen limitation in
A. thaliana
chloroplast
nitrogen
photoprotection
photosynthesis
plant biology
ppGpp
Journal
eLife
ISSN: 2050-084X
Titre abrégé: Elife
Pays: England
ID NLM: 101579614
Informations de publication
Date de publication:
14 02 2022
14 02 2022
Historique:
received:
28
10
2021
accepted:
14
02
2022
pubmed:
15
2
2022
medline:
15
3
2022
entrez:
14
2
2022
Statut:
epublish
Résumé
Guanosine pentaphosphate and tetraphosphate (together referred to as ppGpp) are hyperphosphorylated nucleotides found in bacteria and the chloroplasts of plants and algae. In plants and algae artificial ppGpp accumulation can inhibit chloroplast gene expression, and influence photosynthesis, nutrient remobilization, growth, and immunity. However, it is so far unknown whether ppGpp is required for abiotic stress acclimation in plants. Here, we demonstrate that ppGpp biosynthesis is necessary for acclimation to nitrogen starvation in
Identifiants
pubmed: 35156611
doi: 10.7554/eLife.75041
pii: 75041
pmc: PMC8887892
doi:
pii:
Substances chimiques
Guanosine Tetraphosphate
33503-72-9
Guanosine Pentaphosphate
38918-96-6
Nitrogen
N762921K75
Types de publication
Journal Article
Research Support, Non-U.S. Gov't
Langues
eng
Sous-ensembles de citation
IM
Informations de copyright
© 2022, Romand et al.
Déclaration de conflit d'intérêts
SR, HA, CL, MB, MD, BK, SC, JC, SD, HF, SC, MH, BF No competing interests declared
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