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Salicylic Acid Contribution in Plant Biology against a Changing Environment (Hardcover)
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Salicylic Acid Contribution in Plant Biology against a Changing Environment (Hardcover)
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Salicylic acid (SA) chemically known as 2-hydroxy benzoic acid, is
a ubiquitous endogenous plant growth regulator of phenolic nature,
synthesized by plants which acts as a vital endogenous signaling
molecule in plant immune response. SA is recognized as a
multifaceted element that have crucial roles in various plant
physiological processes such as seed germination, seedling growth,
photosynthetic activity, nutrient absorption and transport,
respiration, nitrogen metabolism, thermogenesis, stomatal closure,
flowering, expression of senescence-related genes, inducing
antioxidant defense system and resistance to a broad spectrum of
pathogens. SA mode of action varies with plant species, plant
developmental phase, its mode of application, and its endogenous
level in the plant. SA have high metabolic and physiological
activity therefore, involved in the activation of plant defense
responses against biotic and abiotic stress factors and also
involved in the transcriptional reprograming and in controlling
transcription and expression of several defense related genes. SA
in minor quantities provide plant stress tolerance, but high
amounts of SA triggers oxidative stress due to generation of
plethora of ROS which ultimately lead to cell death. Under stress
conditions, SA interplays with reactive oxygen species (ROS) as
crucial signaling molecules for inducing genetically controlled
defense-related mechanisms and expression of genes that cause
defense against stress. Keeping these points in mind, various
aspects like significance of SA for plants, its stress mitigation
properties as well as cross-talk with other plant growth regulators
have been mentioned. The book has seven chapters which deal with
the role of phytohormone salicylic acid in plants, its mechanism of
synthesis, signaling & homeostasis in plants, its crosstalk
with ROS in mitigation of stress and its interaction with other
plant growth regulators. We believe that this book comprises a
wealth of knowledge to botanists, agriculturists, students and
researchers of colleges and universities.
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