Involvement of dehydrins in 24-epibrassinolide-induced protection of wheat plants against drought stress

Шакирова, Ф. М.; Allagulova, Chulpan; Maslennikova, Dilara; Fedorova, Kristina; Yuldashev, Ruslan; Lubyanova, A. R.; Безрукова, М. В.; Avalbaev, A.M.

doi:10.1016/j.plaphy.2016.07.013

Cited by 54 publications

(34 citation statements)

References 34 publications

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“…Shakirova et al (2016) found that wheat seedlings grown under drought stress accumulated high levels of low molecular mass dehydrins compared to the control seedlings. Furthermore, it has been shown that dehydrins are regulated either by ABA-dependent or ABA independent pathways under drought stress conditions (Kosova et al 2014;Shakirova et al 2016). The role of dehydrins in drought stress tolerance is found to be through membrane and enzymes protection, and inhibition of reactive oxygen species formation (Graether and Boddington 2014).…”

Section: Discussionmentioning

confidence: 95%

“…In wheat, Dehydrins are induced under dehydration conditions (including drought and salt), in addition to abscisic acid (ABA), due to occurrence of many abscisic acid-responsive elements (ABRE) in Dehydrin promoters (Choi et al 1999). Shakirova et al (2016) found that wheat seedlings grown under drought stress accumulated high levels of low molecular mass dehydrins compared to the control seedlings. Furthermore, it has been shown that dehydrins are regulated either by ABA-dependent or ABA independent pathways under drought stress conditions (Kosova et al 2014;Shakirova et al 2016).…”

Section: Discussionmentioning

confidence: 99%

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Phenotypic and molecular variation in drought tolerance of Jordanian durum wheat (Triticum durum Desf.) landraces

Khateeb

Shalabi

Schroeder

et al. 2017

Physiol Mol Biol Plants

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Drought is considered one of the major constraints of plant growth and productivity worldwide. Plants respond to drought through different mechanisms including physiological, biochemical, and gene expression modulation. Studying these mechanisms will provide better understanding of drought response mechanisms and will help breeders in developing new cultivars. In this study, growth, biochemical, and molecular responses of four wheat ( Desf.) landraces to drought stress (300 mM mannitol) were investigated at the seedling stage. Reverse transcription-polymerase chain reaction was used to assess gene expression level for a drought stress responsive gene (). Germination percentage, shoot length, root length, and root number for all landraces were decreased significantly under drought stress. However, drought stress caused an increase in proline content, lipid peroxidation level, and transcript level. According to the studied traits, the Karak landrace showed long shoots (48% relative to its control), the longest roots (45% relative to its control) and the highest proline content (483% relative to its control). The results indicate that from the landraces studied, Karak may be selected as the most tolerant wheat landrace and may help in wheat breeding programs for adaptation to drought-prone environments.

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Section: Discussionmentioning

confidence: 95%

Section: Discussionmentioning

confidence: 99%

Phenotypic and molecular variation in drought tolerance of Jordanian durum wheat (Triticum durum Desf.) landraces

Khateeb

Shalabi

Schroeder

et al. 2017

Physiol Mol Biol Plants

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“…The exogenous application of BR compounds has been used widely in agriculture to extend growth under different abiotic stresses 22 , 51 , yet how these molecules precisely activate growth in challenging conditions remains largely unknown. The analysis of BR signaling and BR synthesis mutant plants subjected to stress failed to provide a linear picture of the involvement of BR in drought stress adaptation.…”

Section: Discussionmentioning

confidence: 99%

Overexpression of the vascular brassinosteroid receptor BRL3 confers drought resistance without penalizing plant growth

et al. 2018

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Drought represents a major threat to food security. Mechanistic data describing plant responses to drought have been studied extensively and genes conferring drought resistance have been introduced into crop plants. However, plants with enhanced drought resistance usually display lower growth, highlighting the need for strategies to uncouple drought resistance from growth. Here, we show that overexpression of BRL3, a vascular-enriched member of the brassinosteroid receptor family, can confer drought stress tolerance in Arabidopsis. Whereas loss-of-function mutations in the ubiquitously expressed BRI1 receptor leads to drought resistance at the expense of growth, overexpression of BRL3 receptor confers drought tolerance without penalizing overall growth. Systematic analyses reveal that upon drought stress, increased BRL3 triggers the accumulation of osmoprotectant metabolites including proline and sugars. Transcriptomic analysis suggests that this results from differential expression of genes in the vascular tissues. Altogether, this data suggests that manipulating BRL3 expression could be used to engineer drought tolerant crops.

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“…Перспективное направление таких исследований -оценка в зародышевых каллусовых тест-системах засухоустойчивого действия различных регуляторов роста растений, способных в крайне низких концентрациях индуцировать устойчивость растений к широкому спектру стрессовых факторов. Большое внимание в этой связи уделяется брассиностероидам -характерному для растений уникальному классу гормонов полигидроксилстероидной природы, обладающих ярко выраженными свойствами ростстимуляторов и индукторов устойчивости растений к различным неблагоприятным факторам среды (Shakirova et al, 2016).…”

Section: зародышевые каллусы как модели в экспериментальных исследоваunclassified

The Model System "Embryo-Embryonic Callus" in Express Evaluation of Stress and Anti-Stress Effects (On the Example of Cereals)

Zinatullina¹

2020

ÈKOBIOTEH

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Involvement of dehydrins in 24-epibrassinolide-induced protection of wheat plants against drought stress

Cited by 54 publications

References 34 publications

Phenotypic and molecular variation in drought tolerance of Jordanian durum wheat (Triticum durum Desf.) landraces

Phenotypic and molecular variation in drought tolerance of Jordanian durum wheat (Triticum durum Desf.) landraces

Overexpression of the vascular brassinosteroid receptor BRL3 confers drought resistance without penalizing plant growth

The Model System "Embryo-Embryonic Callus" in Express Evaluation of Stress and Anti-Stress Effects (On the Example of Cereals)

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