An evolutionarily young defense metabolite influences the root growth of plants via the ancient TOR signaling pathway.

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Etat: Serval
Version: Final published version
ID Serval
serval:BIB_13E9B1E352A3
Type
Article: article d'un périodique ou d'un magazine.
Collection
Publications
Titre
An evolutionarily young defense metabolite influences the root growth of plants via the ancient TOR signaling pathway.
Périodique
eLife
Auteur(s)
Malinovsky F.G., Thomsen M.F., Nintemann S.J., Jagd L.M., Bourgine B., Burow M., Kliebenstein D.J.
ISSN
2050-084X (Electronic)
ISSN-L
2050-084X
Statut éditorial
Publié
Date de publication
2017
Peer-reviewed
Oui
Volume
6
Pages
1-24
Langue
anglais
Résumé
To optimize fitness a plant should monitor its metabolism to appropriately control growth and defense. Primary metabolism can be measured by the universally conserved TOR (Target of Rapamycin) pathway to balance growth and development with the available energy and nutrients. Recent work suggests that plants may measure defense metabolites to potentially provide a strategy ensuring fast reallocation of resources to coordinate plant growth and defense. There is little understanding of mechanisms enabling defense metabolite signaling. To identify mechanisms of defense metabolite signaling, we used glucosinolates, an important class of plant defense metabolites. We report novel signaling properties specific to one distinct glucosinolate, 3-hydroxypropylglucosinolate across plants and fungi. This defense metabolite, or derived compounds, reversibly inhibits root growth and development. 3-hydroxypropylglucosinolate signaling functions via genes in the ancient TOR pathway. If this event is not unique, this raises the possibility that other evolutionarily new plant metabolites may link to ancient signaling pathways.

Mots-clé
A. thaliana, evolutionary biology, genomics, plant biology, TOR, defense metabolism, metabolite regulation, signalling
Pubmed
Web of science
Open Access
Oui
Création de la notice
14/12/2017 18:28
Dernière modification de la notice
08/05/2019 14:47
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