Salicylic acid-induced protection against cadmium toxicity in wheat plants

Шакирова, Ф. М.; Allagulova, Ch.R.; Maslennikova, Dilara; Klyuchnikova, E. O.; Avalbaev, A.M.; Безрукова, М. В.

doi:10.1016/j.envexpbot.2015.08.002

Cited by 116 publications

(63 citation statements)

References 57 publications

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“…Exogenous SA was reported to mitigate Cd stress in wheat [174] by increasing GSH content that resulted in metal detoxification and scavenging ROS induced by HM-triggered ethylene production. SA supplementation promoted increased ABA level in wheat seedlings under Cd stress that was attributed to a de novo ABA biosynthesis [185]. Further, endogenous ABA controlled SA-mediated alteration of the concentration of dehydrin proteins under HM stress that demonstrate protective mechanism of SA in wheat plants [185].…”

Section: Crosstalk Of Sa With Other Plant Growth Regulatorsmentioning

confidence: 96%

The Role of Salicylic Acid in Plants Exposed to Heavy Metals

Sidhu²,

et al. 2020

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Salicylic acid (SA) is a very simple phenolic compound (a C7H6O3 compound composed of an aromatic ring, one carboxylic and a hydroxyl group) and this simplicity contrasts with its high versatility and the involvement of SA in several plant processes either in optimal conditions or in plants facing environmental cues, including heavy metal (HM) stress. Nowadays, a huge body of evidence has unveiled that SA plays a pivotal role as plant growth regulator and influences intra- and inter-plant communication attributable to its methyl ester form, methyl salicylate, which is highly volatile. Under stress, including HM stress, SA interacts with other plant hormones (e.g., auxins, abscisic acid, gibberellin) and promotes the stimulation of antioxidant compounds and enzymes thereby alerting HM-treated plants and helping in counteracting HM stress. The present literature survey reviews recent literature concerning the roles of SA in plants suffering from HM stress with the aim of providing a comprehensive picture about SA and HM, in order to orientate the direction of future research on this topic.

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Section: Crosstalk Of Sa With Other Plant Growth Regulatorsmentioning

confidence: 96%

The Role of Salicylic Acid in Plants Exposed to Heavy Metals

Sidhu²,

et al. 2020

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“…Regulation of the antioxidant metabolism under cadmium stress by salicylic acid SA-pretreatment was well proven to alleviate the deleterious effects of Cd stress in Triticum aestivum (Shakirova et al, 2016) and in Oryza sativa and Cucumis melo through enhancing the activities of antioxidant enzymes including SOD, CAT, GPX, APX, and GR (Guo et al, 2007;Zhang et al, 2015). Activities of H2O2-metabolizing enzymes (such as CAT, POD, and APX) and SOD enzymes were also modulated with exogenous SA in flax roots and leaves exposed to Cd (Belkadhi et al, 2013;Belkadhi et al, 2014).…”

Section: Salicylic Acid: Protection Against Cadmiuminduced Oxidative mentioning

confidence: 99%

“…One of the mechanisms of the plant growth promotion by SA is the synthesis of growth-promoting regulator (Tamás et al, 2014;Shakirova et al, 2016). Besides, the exogenous application of SA facilitated the plants in maintaining their improved growth (Shakirova et al, 2016). Recently, Guan et al (2015) established that a glutathione synthetase (GSHS)-like gene from Lycium chinense maybe regulated by Cdinduced endogenous SA.…”

Section: Introductionmentioning

confidence: 99%

“…As a result of this activity, the growth and health of plants are improved. One of the mechanisms of the plant growth promotion by SA is the synthesis of growth-promoting regulator (Tamás et al, 2014;Shakirova et al, 2016). Besides, the exogenous application of SA facilitated the plants in maintaining their improved growth (Shakirova et al, 2016).…”

Section: Introductionmentioning

confidence: 99%

“…SA also reduces indirectly the impact of Cd by the secretion of biologically active substances, such as other plant growth-stimulating hormones (Tamás et al, 2012;Shakirova et al, 2016). The beneficial effects on the plant growth in the presence of Cd have been attributed to SA and may include an osmotic adjustment and stomatal regulation (Krantev et al, 2008), modification of organ morphology (Belkadhi et al, 2013), enhanced uptake of minerals (Drazic et al, 2006), and the alteration of the nitrogen accumulation and metabolism (Koç et al, 2013).…”

Section: Introductionmentioning

confidence: 99%

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Cadmium stress tolerance in plants: a key role of endogenous and exogenous salicylic acid

et al. 2016

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Cadmium (Cd) has become one of the major metal stresses which pose a serious threat to plants and animals. In this context, endogenous and exogenous salicylic acid (SA) could play an important role in mitigating the uptake of the Cd ions and providing immunity to plants against the heavy metal stress. SA enhances the resistance capacity of contaminated plants, which, however, depends on the metal concentration and the duration of the treatment. Moreover, SA is considered as a promising signal molecule for improving the efficiency of phytoremediation, and, consequently, growing of safe crops in metal polluted areas. The recent developments in the probable mechanisms by which SA could enhance the tolerance of plants to heavy metals and how it could have an effect on phytoremediation of Cd from contaminated soils are discussed. KeywordsCadmium stress; endogenous salicylic acid; exogenous elicitor; phytoremediation Belkadhi, A., Djebali, W., Hédiji, H., and Chaïbi, W. 2016. Cadmium stress tolerance in plants: a key role of endogenous and exogenous salicylic acid. Plant Science Today 3(1): 48-54. http://dx

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