The Ecology of Salicylic Acid Signaling: Primary, Secondary and Tertiary Effects with Applications in Agriculture

The salicylic acid pathway is one of the primary plant defense pathways, is ubiquitous in vascular plants, and plays a role in rapid adaptions to dynamic abiotic and biotic stress. Its prominence and ubiquity make it uniquely suited for understanding how biochemistry within plants can mediate ecolog...

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Bibliographic Details
Published in:International journal of molecular sciences 2019-11, Vol.20 (23), p.5851
Main Authors: Filgueiras, Camila C, Martins, Adalvan D, Pereira, Ramom V, Willett, Denis S
Format: Article
Language:English
Subjects:
aboveground belowground
Agriculture - methods
Animals
Apoptosis
Ecological effects
Ecology
Ecology - methods
Ecosystem
Enzymes
Herbivores
Herbivory
Herbivory - physiology
indirect effects
indirect interactions
Larva - physiology
Metabolomics
Natural enemies
Pathogens
Physiology
plant defense in agriculture
plant mediated interactions
Plant resistance
Plant Roots - metabolism
Plant Roots - parasitology
Plants
Plants - metabolism
Plants - parasitology
Predators
Review
Salicylic acid
Salicylic Acid - metabolism
Signal Transduction
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Summary:The salicylic acid pathway is one of the primary plant defense pathways, is ubiquitous in vascular plants, and plays a role in rapid adaptions to dynamic abiotic and biotic stress. Its prominence and ubiquity make it uniquely suited for understanding how biochemistry within plants can mediate ecological consequences. Induction of the salicylic acid pathway has primary effects on the plant in which it is induced resulting in genetic, metabolomic, and physiologic changes as the plant adapts to challenges. These primary effects can in turn have secondary consequences for herbivores and pathogens attacking the plant. These secondary effects can both directly influence plant attackers and mediate indirect interactions between herbivores and pathogens. Additionally, stimulation of salicylic acid related defenses can affect natural enemies, predators and parasitoids, which can recruit to plant signals with consequences for herbivore populations and plant herbivory aboveground and belowground. These primary, secondary, and tertiary ecological consequences of salicylic acid signaling hold great promise for application in agricultural systems in developing sustainable high-yielding management practices that adapt to changing abiotic and biotic environments.
ISSN:1422-0067
1661-6596
1422-0067
DOI:10.3390/ijms20235851