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<p>Being sessile organism plants continuously faces exposure of both biotic stresses such as infections caused by bacteria, virus, fungi, pest attacks etc. and abiotic stress factors which includes drought, salinity, temperature etc. Exposure to multiple concurrent stresses initiate complex interactions that can either aggravate or alleviate stress effects, making it important to understand how plants deal with and balance their responses. In response to various biotic and abiotic stresses plants develop different tolerance and adapting strategies which includes molecular, cellular and physiological adjustments. A recent study in <i>Arabidopsis thaliana</i> has shown the effect of plants exposure to drought stress and bacterial pathogen <i>pseudomonas syringae</i> pv. tomato DC3000 infection. Calmodulin binding protein 60&#xa0;g (CBP60g) and Systemic acquired resistance deficient 1 (SARD 1) which are essential TFs in biotic stress responses, were largely down-regulated in drought stress. During drought stress, Abscisic Acid (ABA) plays crucial role in restricting expression of TFs CBP60g and SARD1 which are very important for activating Salicylic acid (SA) biosynthesis. Essentially, SA mediated responses are significant in plants dealing with biotic stress. This commentary aims to highlight recent advancements in our knowledge of molecular and physicochemical adaptations that help plants to tolerate stresses and also emphasize the need for further exploration of the molecular mechanisms of plant responses against simultaneous exposure to both biotic and abiotic stresses.</p>

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Deciphering plant survival strategies: integrating molecular mechanisms and physicochemical responses to combined stresses

  • 期刊论文

  • 发表日期：

    2025年9月4日

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  • Gagan Kumar Panigrahi,
  • Sanjoy Majumder,
  • Rutupurna Das,
  • Annapurna Sahoo

摘要

Being sessile organism plants continuously faces exposure of both biotic stresses such as infections caused by bacteria, virus, fungi, pest attacks etc. and abiotic stress factors which includes drought, salinity, temperature etc. Exposure to multiple concurrent stresses initiate complex interactions that can either aggravate or alleviate stress effects, making it important to understand how plants deal with and balance their responses. In response to various biotic and abiotic stresses plants develop different tolerance and adapting strategies which includes molecular, cellular and physiological adjustments. A recent study in Arabidopsis thaliana has shown the effect of plants exposure to drought stress and bacterial pathogen pseudomonas syringae pv. tomato DC3000 infection. Calmodulin binding protein 60 g (CBP60g) and Systemic acquired resistance deficient 1 (SARD 1) which are essential TFs in biotic stress responses, were largely down-regulated in drought stress. During drought stress, Abscisic Acid (ABA) plays crucial role in restricting expression of TFs CBP60g and SARD1 which are very important for activating Salicylic acid (SA) biosynthesis. Essentially, SA mediated responses are significant in plants dealing with biotic stress. This commentary aims to highlight recent advancements in our knowledge of molecular and physicochemical adaptations that help plants to tolerate stresses and also emphasize the need for further exploration of the molecular mechanisms of plant responses against simultaneous exposure to both biotic and abiotic stresses.