Regulatory role of thiols and proline in mitigation of Cu induced phytotoxicity in seven day's old hydroponically acclimatized seedling of <i>Cyamopsis tetragonoloba</i>

Khator, Khushboo; Shekhawat, G. S.

doi:10.5958/2322-0996.2018.00007.8

Cited by 9 publications

(1 citation statement)

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“… 3 Understanding the mechanisms of stress adaptation is a prerequisite for the development of crops with increased tolerance to various environmental fluctuations, which ultimately leads to increased crop production. 4 , 5 , 6 …”

Section: Introductionmentioning

confidence: 99%

Nitric oxide in plants: an insight on redox activity and responses toward abiotic stress signaling

Khator,

Parihar,

Jasik

et al. 2024

Plant Signaling & Behavior

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Plants, as sessile organisms, are subjected to diverse abiotic stresses, including salinity, desiccation, metal toxicity, thermal fluctuations, and hypoxia at different phases of plant growth. Plants can activate messenger molecules to initiate a signaling cascade of response toward environmental stresses that results in either cell death or plant acclimation. Nitric oxide (NO) is a small gaseous redox-active molecule that exhibits a plethora of physiological functions in growth, development, flowering, senescence, stomata closure and responses to environmental stresses. It can also facilitate alteration in protein function and reprogram the gene profiling by direct or indirect interaction with different target molecules. The bioactivity of NO can be manifested through different redox-based protein modifications including S -nitrosylation, protein nitration, and metal nitrosylation in plants. Although there has been considerable progress in the role of NO in regulating stress signaling, still the physiological mechanisms regarding the abiotic stress tolerance in plants remain unclear. This review summarizes recent advances in understanding the emerging knowledge regarding NO function in plant tolerance against abiotic stresses. The manuscript also highlighted the importance of NO as an abiotic stress modulator and developed a rational design for crop cultivation under a stress environment.

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