Salicylic Acid in Plant Stress Responses
A special issue of Agronomy (ISSN 2073-4395).
Deadline for manuscript submissions: closed (1 April 2018)
Special Issue Editor
Interests: salt-stress response; abiotic and biotic stresses; growth regulator; antioxidant; antioxidative metabolism; Environmental Stresses; oxidative stress; cell proliferation; metabolomics; plant tissue culture; plant physiology and biochemistry; reactive oxygen species
Special Issues, Collections and Topics in MDPI journals
Special Issue Information
Dear Colleagues,
The plant hormone salicylic acid (SA) has been traditionally associated to plant defense responses against biotic stimuli. In addition, recent works have reported a role for SA in the response to abiotic stresses. The precise mode of SA action is unclear, although it has been shown to interact in a complex manner with the antioxidative metabolism, modulating cellular redox homeostasis and leading to changes at molecular level. The role of SA in stressed plants seems to depend on different factors, including the plant species, how the SA treatment is applied and the used concentration, the physiological state of the plant, as well as the level of and the exposure time to the stress. Moreover, SA also acts as signaling and regulatory molecule modulating diverse biological processes, such as cell growth and development, seed germination, stomatal aperture, and fruit yield, among others.
Despite the important roles of SA in plants, its metabolism has not been fully characterized yet. The proposed SA synthesis originates from chorismate, the end product of the shikimate pathway, by two distinct pathways: the isochorismate (IC) and the phenylalanine (Phe) ammonia-lyase (PAL) pathways, although this information is limited to Arabidopsis and other herbaceous plants.
This Special Issue will focus on “Salicylic Acid in Plant Stress Responses”. We welcome novel research, reviews and opinion pieces covering all related topics including SA metabolism, physiological roles of SA in plants, and SA in plant responses to environmental cues (including both biotic and abiotic stresses).
Dr. Pedro Diaz-Vivancos
Guest Editor
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Keywords
- abiotic stress
- biotic stress
- plant growth and development
- plant physiology
- salicylic acid
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