Systemic acquired resistance networks amplify airborne defense cues.
Arabidopsis
/ immunology
Arabidopsis Proteins
/ genetics
Disease Resistance
/ immunology
Feedback, Physiological
Glycerophosphates
/ immunology
Host-Pathogen Interactions
/ immunology
Immunity, Innate
Monoterpenes
/ immunology
Pipecolic Acids
/ immunology
Plant Diseases
/ immunology
Plant Lectins
/ genetics
Plants, Genetically Modified
Pseudomonas syringae
/ immunology
Salicylic Acid
/ immunology
Signal Transduction
/ immunology
Volatile Organic Compounds
/ immunology
Journal
Nature communications
ISSN: 2041-1723
Titre abrégé: Nat Commun
Pays: England
ID NLM: 101528555
Informations de publication
Date de publication:
23 08 2019
23 08 2019
Historique:
received:
08
07
2018
accepted:
02
08
2019
entrez:
25
8
2019
pubmed:
25
8
2019
medline:
27
12
2019
Statut:
epublish
Résumé
Salicylic acid (SA)-mediated innate immune responses are activated in plants perceiving volatile monoterpenes. Here, we show that monoterpene-associated responses are propagated in feed-forward loops involving the systemic acquired resistance (SAR) signaling components pipecolic acid, glycerol-3-phosphate, and LEGUME LECTIN-LIKE PROTEIN1 (LLP1). In this cascade, LLP1 forms a key regulatory unit in both within-plant and between-plant propagation of immunity. The data integrate molecular components of SAR into systemic signaling networks that are separate from conventional, SA-associated innate immune mechanisms. These networks are central to plant-to-plant propagation of immunity, potentially raising SAR to the population level. In this process, monoterpenes act as microbe-inducible plant volatiles, which as part of plant-derived volatile blends have the potential to promote the generation of a wave of innate immune signaling within canopies or plant stands. Hence, plant-to-plant propagation of SAR holds significant potential to fortify future durable crop protection strategies following a single volatile trigger.
Identifiants
pubmed: 31444353
doi: 10.1038/s41467-019-11798-2
pii: 10.1038/s41467-019-11798-2
pmc: PMC6707303
doi:
Substances chimiques
AT5G03350 protein, Arabidopsis
0
Arabidopsis Proteins
0
Glycerophosphates
0
Monoterpenes
0
Pipecolic Acids
0
Plant Lectins
0
Volatile Organic Compounds
0
pipecolic acid
H254GW7PVV
Salicylic Acid
O414PZ4LPZ
Types de publication
Journal Article
Research Support, Non-U.S. Gov't
Langues
eng
Sous-ensembles de citation
IM
Pagination
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