Abiotic Stress, Generation of Reactive Oxygen Species, and Their Consequences

Banerjee, Aditya; Roychoudhury, Aryadeep

doi:10.1002/9781119324928.ch2

Cited by 38 publications

(20 citation statements)

References 155 publications

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“…Furthermore, by damaging membranes, severe LPO collapses their barrier function; thus, the cellular organelles disintegrate. Besides, LPO causes oxidative malfunctions of proteins, DNA, and RNA together with forming some disrupted and altered aldehyde substances like malondialdehyde (MDA), acrolein, and 4-hydroxy-2-nonenal (HNE), which are the oxidative stress markers in plants [ 49 , 52 ].…”

Section: Outcome and Indicators Of Oxidative Stressmentioning

confidence: 99%

“…Oxidative damages of proteins are mostly irreversible except those with S-containing amino acids (Met and Cys). The • OH and 1 O 2 form oxidized derivatives of amino acids sequentially (cysteine → cystine → cysteine sulfenic acid → cysteine sulfinic acid → cysteic acid) [ 52 , 54 ]. Therefore, disulfide bond formation, Cys oxidation, nitrosylation, glutathionylation, and sulfhydration result from redox modification of proteins.…”

Section: Outcome and Indicators Of Oxidative Stressmentioning

confidence: 99%

“…are formed, which cause irreparable cross-links and those are very lethal to plant cells [ 61 ]. If these damages are not repaired before the next replication or transcription, DNA denaturation and unfolding are the obvious results [ 52 ]. Additionally, incorrect protein sequences are also found as important consequences.…”

Section: Outcome and Indicators Of Oxidative Stressmentioning

confidence: 99%

See 2 more Smart Citations

Regulation of ROS Metabolism in Plants under Environmental Stress: A Review of Recent Experimental Evidence

Hasanuzzaman

Bhuyan

Parvin

et al. 2020

IJMS

272

146

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Various environmental stresses singly or in combination generate excess amounts of reactive oxygen species (ROS), leading to oxidative stress and impaired redox homeostasis. Generation of ROS is the obvious outcome of abiotic stresses and is gaining importance not only for their ubiquitous generation and subsequent damaging effects in plants but also for their diversified roles in signaling cascade, affecting other biomolecules, hormones concerning growth, development, or regulation of stress tolerance. Therefore, a good balance between ROS generation and the antioxidant defense system protects photosynthetic machinery, maintains membrane integrity, and prevents damage to nucleic acids and proteins. Notably, the antioxidant defense system not only scavenges ROS but also regulates the ROS titer for signaling. A glut of studies have been executed over the last few decades to discover the pattern of ROS generation and ROS scavenging. Reports suggested a sharp threshold level of ROS for being beneficial or toxic, depending on the plant species, their growth stages, types of abiotic stresses, stress intensity, and duration. Approaches towards enhancing the antioxidant defense in plants is one of the vital areas of research for plant biologists. Therefore, in this review, we accumulated and discussed the physicochemical basis of ROS production, cellular compartment-specific ROS generation pathways, and their possible distressing effects. Moreover, the function of the antioxidant defense system for detoxification and homeostasis of ROS for maximizing defense is also discussed in light of the latest research endeavors and experimental evidence.

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Section: Outcome and Indicators Of Oxidative Stressmentioning

confidence: 99%

Section: Outcome and Indicators Of Oxidative Stressmentioning

confidence: 99%

Section: Outcome and Indicators Of Oxidative Stressmentioning

confidence: 99%

See 1 more Smart Citation

Regulation of ROS Metabolism in Plants under Environmental Stress: A Review of Recent Experimental Evidence

Hasanuzzaman

Bhuyan

Parvin

et al. 2020

IJMS

272

146

View full text Add to dashboard Cite

show abstract

“…Unfavorable environmental conditions like drought, salinity, extremes of temperature, heavy metal toxicity, low exposure to light (shade), etc. negatively regulate normal seed development and germination (Banerjee and Roychoudhury , Banerjee et al , Banerjee and Roychoudhury ). The process of germination involves the dormant seeds to respond to a series of endogenous and abiotic cues.…”

Section: Introductionmentioning

confidence: 99%

“…This is necessary to limit oxidative injuries due to uncontrolled overproduction of reactive oxygen species (ROS) during dormancy release (Cembrowska‐Lech and Kępczyński ). The importance of the ascorbate‐glutathione (AsA‐GSH) cycle in the maintenance of ROS homeostasis is well established in any kind combination of abiotic stresses (Banerjee and Roychoudhury ). KAR directly regulates this core ROS‐scavenging cycle by increasing the contents of ascorbate and dehydroascorbate.…”

Section: Introductionmentioning

confidence: 99%

The karrikin ‘calisthenics’: Can compounds derived from smoke help in stress tolerance?

Banerjee

Tripathi

Roychoudhury

2018

Physiologia Plantarum

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Karrikins (KARs) are unique butenolides derived as a by-product of incomplete combustion during wildfire. Some receptive plant species respond to KARs in the form of accelerated germination. These molecules originate from stress to mediate tolerance against different sub-optimal conditions like oxidative stress, drought and low-light intensity (shade stress). KARs promote seed germination, seedling establishment and ecological diversity by accelerating the abundance of selective communities of plants. The signaling pathway is closely related, yet unique from strigolactones (SLs). Due to the structural relatedness with SLs, KARs have potential roles in mediating abiotic stress tolerance in plants. In addition, the KAR directly/indirectly interact with crucial phytohormones like abscisic acid, gibberellic acid, auxins and ethylene. This article is a summarized update on KAR research in recent times. The exhaustive discussions would be beneficial for understanding the extraordinary strategy devised by nature to protect plants from stress using a molecule which is itself generated out of stress.

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The Root Endomutualist Piriformospora indica : A Promising Bio‐tool for Improving Crops under Salinity Stress

Jogawat¹,

Bisht²,

Verma³

et al. 2019

Molecular Plant Abiotic Stress

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Abiotic Stress, Generation of Reactive Oxygen Species, and Their Consequences

Cited by 38 publications

References 155 publications

Regulation of ROS Metabolism in Plants under Environmental Stress: A Review of Recent Experimental Evidence

Regulation of ROS Metabolism in Plants under Environmental Stress: A Review of Recent Experimental Evidence

The karrikin ‘calisthenics’: Can compounds derived from smoke help in stress tolerance?

The Root Endomutualist Piriformospora indica : A Promising Bio‐tool for Improving Crops under Salinity Stress

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