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Nitric oxide, salicylic acid and oxidative stress: Is it a perfect equilateral triangle?

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  • NSTL
  • Elsevier
Nitric oxide (NO) is an endogenous free radical involved in the regulation of a wide array of physio-biochemical phenomena in plants. The biological activity of NO directly depend on its cellular concentration which usually changes under stress conditions, it participates in maintaining cellular redox equilibrium and regulating target checkpoints which control switches among development and stress. It is one of the key players in plant signalling and a plethora of evidence supports its crosstalk with other phytohormones. NO and salicylic acid (SA) cooperation is also of great physiological relevance, where NO modulates the immune response by regulating SA linked target proteins i.e., non-expressor of pathogenesis-related genes (NPR-1 and NPR-2) and Group D bZIP (basic leucine zipper domain transcription factor). Many experimental data suggest a functional cooperative role between NO and SA in mitigating the plant oxidative stress which suggests that these relationships could constitute a metabolic "equilateral triangle".

Nitric acidSalicylic acidNon-expressor of pathogenesis-related genesD-bZIPTranscriptional reprogrammingTGA TRANSCRIPTION FACTORSABIOTIC STRESSS-NITROSOGLUTATHIONEHIGH-TEMPERATUREPLANT-GROWTHDIFFERENTIAL INDUCTIONSIGNALING MOLECULESHEAT TOLERANCECELL-DEATHDEFENSE

Kohli, Sukhmeen Kaur、Khanna, Kanika、Bhardwaj, Renu、Corpas, Francisco J.、Ahmad, Parvaiz

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Guru Nanak Dev Univ

CSIC

GDC

2022

10.1016/j.plaphy.2022.05.017

Plant Physiology and Biochemistry

Plant Physiology and Biochemistry

SCI
ISSN：0981-9428
年,卷(期)：2022.184
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