Antioxidative responses to drought and salinity stress in plants, a comprehensive review

Saeidnejad, Amir Hossein; Rajaei, Peyman

doi:10.3126/ijls.v9i2.12042

Cited by 9 publications

(5 citation statements)

References 69 publications

(58 reference statements)

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“…There are many studies on the relationship between ROS and proline metabolism; increased ROS can activate the biosynthesis of proline, which acts as a non-enzymatic antioxidant and influences plant redox homeostasis (Ben et al, 2014; Auler et al, 2017). ROS are important signaling molecules that help safeguard cellular components (Saeidnejad and Rajaei, 2015), but they can also be harmful to plants. Here, the major transcripts [ APX1 , monodehydroascorbate reductase ( MDAR ) and glutathione reductase ( GR )] involved in ROS scavenging had similar expression patterns to those of NCED3/4 (profile 18), indicating that ROS scavenging is likely involved in the drought memory response in rice.…”

Section: Discussionmentioning

confidence: 99%

Physiological and Transcriptome Analyses Reveal Short-Term Responses and Formation of Memory Under Drought Stress in Rice

et al. 2019

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In some plants, exposure to stress can induce a memory response, which appears to play an important role in adaptation to recurrent stress environments. However, whether rice exhibits drought stress memory and the molecular mechanisms that might underlie this process have remained unclear. Here, we ensured that rice drought memory was established after cycles of mild drought and re-watering treatment, and studied gene expression by whole-transcriptome strand-specific RNA sequencing (ssRNA-seq). We detected 6,885 transcripts and 238 lncRNAs involved in the drought memory response, grouped into 16 distinct patterns. Notably, the identified genes of dosage memory generally did not respond to the initial drought treatment. Our results demonstrate that stress memory can be developed in rice under appropriate water deficient stress, and lncRNA, DNA methylation and endogenous phytohormones (especially abscisic acid) participate in rice short-term drought memory, possibly acting as memory factors to activate drought-related memory transcripts in pathways such as photosynthesis and proline biosynthesis, to respond to the subsequent stresses.

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Section: Discussionmentioning

confidence: 99%

Physiological and Transcriptome Analyses Reveal Short-Term Responses and Formation of Memory Under Drought Stress in Rice

et al. 2019

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“…Environmental factors that are dry and semi-dry encourage the production of reactive oxygen species in plants and result in oxidation harm to plant cells. The beginning of various responses induced by stress signals are physiological, biochemical, morphological and molecular (Saeidnejad and Rajaei, 2015;Sharma et al, 2021;Zou et al, 2021). When production of ROS rises under drought stress, ABA is generated, which is an essential part of stress signaling (Sah et al, 2016).…”

Section: Biochemical Responses Of Plants To Drought Stressmentioning

confidence: 99%

Plant tolerance to drought stress: Complexity and mechanism across physiological, molecular and biochemical scales

Batool,

Yue,

Xiao

et al. 2024

Int. J. Appl. Exp. Biol.

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Drought stress limits crop yield globally and is growing as a result of climate change. Water deficit of soil frequently reduces crop growth and yield regardless of developmental stages and nature of genotypes. There are a variety of mechanisms involved in plants in response to drought stress and they trigger the plant drought tolerance strategies. Plants subjected to drought undergo a sequence of physiological, biochemical, and molecular mechanisms to combat the effects of drought, just like plants exposed to other environmental stressors. Using various methods, researchers are currently attempting to understand the intricate operation of the drought stress response in plants. During particular crucial stages such as seed germination, and formation of seedlings, flowering, and grains, plants are particularly vulnerable to drought stress. Through the activation of tolerance mechanisms, plants successfully mitigate the impacts of drought stress during vegetative development stages. However, drought stress during the generative phase might result in yield losses that are irreversible. The present review highlights the tolerance mechanisms in plants and the functioning of physiological, molecular, and biochemical processes involved in plants' resistance to water deficit as well as how various crops react to drying conditions at various developmental points.

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“…In fact, ROS at concentrations much lower than those causing cellular damage, can activate different Na + -and K +permeable ion channels [19][20][21] that help maintain the cytosolic K + /Na + ratios needed for salinity tolerance [22]. The production of ROS is the outcome of a plant metabolism that needs to be controlled to safeguard its cellular components [23]. Under stress condition, plants activate enzymatic and non-enzymatic antioxidant systems.…”

Section: Introductionmentioning

confidence: 99%

Oxidative stress and antioxidant defense in Brassicaceae plants under abiotic stresses

Saibi¹,

Brini²,

Desk³

2021

SDRP JPS

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Brassicaceae plants, as an important source of primary and secondary metabolites, are becoming a research model in plant science. Plants have developed different ways to ward off environmental stress factors. This is lead to the activation of various defense mechanisms resulting in a qualitative and/or quantitative change in plant metabolite production. Reactive oxygen species (ROS) is being continuously produced in cell during normal cellular processes. Under stress conditions, there are excessive production of ROS causing progressive oxidative damage and ultimately cell death. Despite their destructive activity, ROS are considered as important secondary messengers of signaling pathway that control metabolic fluxes and a variety of cellular processes. Plant response to environmental stress depends on the delicate equilibrium between ROS production, and their scavenging. This balance of ROS level is required for performing its dual role of acting as a defensive molecule in signaling pathway or a destructive molecule. Efficient scavenging of ROS produced during various environmental stresses requires the action of several non-enzymatic as well as enzymatic antioxidants present in the tissues. In this review, we describe the ROS production and its turnover and the role of ROS as messenger molecules as well as inducers of oxidative damage in Brassicaceae plants. Further, the antioxidant defense mechanisms comprising of enzymatic and non-enzymatic antioxidants have been discussed. Keywords: Abiotic stress, Antioxidant defence, Brassicaceae, Oxidative stress, ROS

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Antioxidative responses to drought and salinity stress in plants, a comprehensive review

Cited by 9 publications

References 69 publications

Physiological and Transcriptome Analyses Reveal Short-Term Responses and Formation of Memory Under Drought Stress in Rice

Physiological and Transcriptome Analyses Reveal Short-Term Responses and Formation of Memory Under Drought Stress in Rice

Plant tolerance to drought stress: Complexity and mechanism across physiological, molecular and biochemical scales

Oxidative stress and antioxidant defense in Brassicaceae plants under abiotic stresses

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