Cytokinin Regulates Energy Utilization in Botrytis cinerea.
Botrytis cinerea
cytokinin
glycolysis
nutrition
pathogenesis
redox
sugar
Journal
Microbiology spectrum
ISSN: 2165-0497
Titre abrégé: Microbiol Spectr
Pays: United States
ID NLM: 101634614
Informations de publication
Date de publication:
31 08 2022
31 08 2022
Historique:
pubmed:
28
7
2022
medline:
9
9
2022
entrez:
27
7
2022
Statut:
ppublish
Résumé
The plant hormone cytokinin (CK) is an important developmental regulator. Previous work has demonstrated that CKs mediate plant immunity and disease resistance. Some phytopathogens have been reported to secrete CKs and may manipulate CK signaling to improve pathogenesis. In recent work, we demonstrated that CK directly inhibits the development and virulence of fungal phytopathogens by attenuating the cell cycle and reducing cytoskeleton organization. Here, focusing on Botrytis cinerea, we report that CK possesses a dual role in fungal biology, with role prioritization being based on sugar availability. In a sugar-rich environment, CK strongly inhibited B. cinerea growth and deregulated cytoskeleton organization. This effect diminished as sugar availability decreased. In its second role, we show using biochemical assays and transgenic redox-sensitive fungal lines that CK can promote glycolysis and energy consumption in B. cinerea, both
Identifiants
pubmed: 35894612
doi: 10.1128/spectrum.00280-22
pmc: PMC9430538
doi:
Substances chimiques
Cytokinins
0
Sugars
0
Types de publication
Journal Article
Research Support, Non-U.S. Gov't
Langues
eng
Sous-ensembles de citation
IM
Pagination
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