Regulation of Reactive Oxygen Species and Antioxidant Defense in Plants under Salinity

International Journal of Molecular Sciences, Journal Year: 2021, Volume and Issue: 22(17), P. 9326 - 9326

Published: Aug. 28, 2021

The generation of oxygen radicals and their derivatives, known as reactive species, (ROS) is a part the signaling process in higher plants at lower concentrations, but those ROS cause oxidative stress. Salinity-induced osmotic stress ionic trigger overproduction and, ultimately, result damage to cell organelles membrane components, severe levels, they plant death. antioxidant defense system protects from salt-induced by detoxifying also maintaining balance under salt Different hormones genes are associated with protect when exposed Salt-induced overgeneration one major reasons for hampering morpho-physiological biochemical activities which can be largely restored through enhancing that detoxifies ROS. In this review, we discuss ROS, salinity.

Language: Английский

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Seed Priming with Phytohormones: An Effective Approach for the Mitigation of Abiotic Stress

Plants, Journal Year: 2020, Volume and Issue: 10(1), P. 37 - 37

Published: Dec. 25, 2020

Plants are often exposed to abiotic stresses such as drought, salinity, heat, cold, and heavy metals that induce complex responses, which result in reduced growth well crop yield. Phytohormones known for their regulatory role plant development, they serve important chemical messengers, allowing plants function during exposure various stresses. Seed priming is a physiological technique involving seed hydration drying improve metabolic processes prior germination, thereby increasing the percentage rate of germination improving seedling yield under normal biotic allows obtain an enhanced capacity rapidly effectively combating different Thus, with phytohormones has emerged tool mitigating effects stress. Therefore, this review discusses potential mitigate harmful stresses, possible mechanisms how mitigation accomplished, roles on enhancement production.

Language: Английский

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A Review on Plant Responses to Salt Stress and Their Mechanisms of Salt Resistance

Horticulturae, Journal Year: 2021, Volume and Issue: 7(6), P. 132 - 132

Published: June 3, 2021

Nowadays, crop insufficiency resulting from soil salinization is threatening the world. On basis that has become a worldwide problem, studying mechanisms of plant salt tolerance great theoretical and practical significance to improve yield, cultivate new salt-tolerant varieties, make full use saline land. Based on previous studies, this paper reviews damage stress plants, including suppression photosynthesis, disturbance ion homeostasis, membrane peroxidation. We have also summarized physiological tolerance, reactive oxygen species (ROS) scavenging osmotic adjustment. Four main stress-related signaling pathways, overly sensitive (SOS) pathway, calcium-dependent protein kinase (CDPK) mitogen-activated (MAPKs) abscisic acid (ABA) are included. enumerated some stress-responsive genes correspond mechanisms. In end, we outlined present approaches techniques plants. All in all, reviewed those aspects above, hope providing valuable background knowledge for future cultivation agricultural forestry

Language: Английский

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Plant Disease Resistance-Related Signaling Pathways: Recent Progress and Future Prospects

International Journal of Molecular Sciences, Journal Year: 2022, Volume and Issue: 23(24), P. 16200 - 16200

Published: Dec. 19, 2022

Plant–pathogen interactions induce a signal transmission series that stimulates the plant’s host defense system against pathogens and this, in turn, leads to disease resistance responses. Plant innate immunity mainly includes two lines of system, called pathogen-associated molecular pattern-triggered (PTI) effector-triggered (ETI). There is extensive exchange recognition process triggering plant immune signaling network. messenger molecules, such as calcium ions, reactive oxygen species, nitric oxide, hormone salicylic acid, jasmonic ethylene, play key roles inducing In addition, heterotrimeric G proteins, mitogen-activated protein kinase cascade, non-coding RNAs (ncRNAs) important regulating transduction This paper summarizes status progress pathway research recent years; discusses complexities of, among, pathways; forecasts future prospects provide new ideas for prevention control diseases.

Language: Английский

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Reactive oxygen species: Multidimensional regulators of plant adaptation to abiotic stress and development

Journal of Integrative Plant Biology, Journal Year: 2023, Volume and Issue: 66(3), P. 330 - 367

Published: Dec. 20, 2023

Reactive oxygen species (ROS) are produced as undesirable by-products of metabolism in various cellular compartments, especially response to unfavorable environmental conditions, throughout the life cycle plants. Stress-induced ROS production disrupts normal function and leads oxidative damage. To cope with excessive ROS, plants equipped a sophisticated antioxidative defense system consisting enzymatic non-enzymatic components that scavenge or inhibit their harmful effects on biomolecules. Nonetheless, when maintained at relatively low levels, act signaling molecules regulate plant growth, development, adaptation adverse conditions. Here, we provide an overview current approaches for detecting ROS. We also discuss recent advances understanding signaling, metabolism, roles growth responses abiotic stresses.

Language: Английский

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Environmental Stress and Plants

International Journal of Molecular Sciences, Journal Year: 2022, Volume and Issue: 23(10), P. 5416 - 5416

Published: May 12, 2022

Land plants are constantly subjected to multiple unfavorable or even adverse environmental conditions. Among them, abiotic stresses (such as salt, drought, heat, cold, heavy metals, ozone, UV radiation, and nutrient deficiencies) have detrimental effects on plant growth productivity increasingly important considering the direct indirect of climate change. Plants respond in many ways stresses, from gene expression physiology, architecture primary, secondary metabolism. These complex changes allow tolerate and/or adapt The complexity response can be further influenced by duration intensity stress, genotype, combination different exposed tissue cell type, developmental stage at which perceive stress. It is therefore understand more about how stress conditions they (both natural anthropogenic environments). concepts were basis Special Issue that International Journal Molecular Sciences expressly addressed relationship between resulted publication 5 reviews 38 original research articles. large participation several authors good number contributions testifies considerable interest topic currently receives science community, especially light foreseeable changes. Here, we briefly summarize included Issue, both articles categorized type discuss comprehensive responses various stresses.

Language: Английский

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Proline Alleviates Abiotic Stress Induced Oxidative Stress in Plants

Journal of Plant Growth Regulation, Journal Year: 2022, Volume and Issue: 42(8), P. 4629 - 4651

Published: Oct. 23, 2022

Language: Английский

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Enhancing Health Benefits through Chlorophylls and Chlorophyll-Rich Agro-Food: A Comprehensive Review

Molecules, Journal Year: 2023, Volume and Issue: 28(14), P. 5344 - 5344

Published: July 11, 2023

Chlorophylls play a crucial role in photosynthesis and are abundantly found green fruits vegetables that form an integral part of our diet. Although limited, existing studies suggest these photosynthetic pigments their derivatives possess therapeutic properties. These bioactive molecules exhibit wide range beneficial effects, including antioxidant, antimutagenic, antigenotoxic, anti-cancer, anti-obesogenic activities. However, it is unfortunate leafy materials fruit peels often go to waste the food supply chain, contributing prevailing issue modern societies. Nevertheless, overlooked contain valuable compounds, chlorophylls, which offer significant health benefits. Consequently, exploring potential discarded resources, such as utilizing them functional ingredients, aligns with principles circular economy presents exciting opportunities for exploitation.

Language: Английский

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Melatonin-Mediated Abiotic Stress Tolerance in Plants

Frontiers in Plant Science, Journal Year: 2022, Volume and Issue: 13

Published: May 9, 2022

Melatonin is a multi-functional molecule that ubiquitous in all living organisms. performs essential roles plant stress tolerance; its application can reduce the harmful effects of abiotic stresses. Plant melatonin biosynthesis, which usually occurs within chloroplasts, and related metabolic pathways have been extensively characterized. regulates responses by directly inhibiting accumulation reactive oxygen nitrogen species, indirectly affecting response pathways. In this review, we summarize recent research concerning metabolism, antioxidation; focus on melatonin-mediated tolerance to stresses including drought, waterlogging, salt, heat, cold, heavy metal toxicity, light others. We also examine exogenous treatment plants under stress. Finally, discuss future perspectives applications plants.

Language: Английский

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CRISPR/Cas9 Mediated Knockout of the OsbHLH024 Transcription Factor Improves Salt Stress Resistance in Rice (Oryza sativa L.)

Plants, Journal Year: 2022, Volume and Issue: 11(9), P. 1184 - 1184

Published: April 27, 2022

Salinity stress is one of the most prominent abiotic stresses that negatively affect crop production. Transcription factors (TFs) are involved in absorption, transport, or compartmentation sodium (Na+) potassium (K+) to resist salt stress. The basic helix–loop–helix (bHLH) a TF gene family critical for plant growth and responses, including salinity. Herein, we used CRISPR/Cas9 strategy generate editing mutant investigate role OsbHLH024 rice under A nucleotide base deletion was identified osbhlh024 (A91). Exposure A91 resulted significant increase shoot weight, total chlorophyll content, fluorescence. Moreover, high antioxidant activities coincided with less reactive oxygen species (ROS) stabilized levels MDA A91. This better control oxidative accompanied by fewer Na+ but more K+, balanced level Ca2+, Zn2+, Mg2+ root A91, allowing it withstand Furthermore, also presented significantly up-regulated expression ion transporter genes (OsHKT1;3, OsHAK7, OsSOS1) when exposed These findings imply might play negative regulator stress, which will help understand molecular basis production improvement

Language: Английский

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