Integrated Calcium Signaling in Plants

Tuteja, Narendra

doi:10.1007/978-3-540-89228-1_2

Cited by 47 publications

(19 citation statements)

References 87 publications

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“…Therefore, we investigated their effect on grapevine cells with respect to [Ca 2+ ] cyt variations, H 2 O 2 production, MAPK activation, defense genes expression, and phytoalexin production. Both soy and cas induced specific changes of [Ca 2+ ] cyt , considered essential for defense response activation (Lecourieux et al, 2002 ; Tuteja, 2009 ). In particular, cells elicited by the two hydrolysates showed a rapid increase of [Ca 2+ ] cyt , as compared to water control, similarly to other elicitors as OG, cryptogein, BcPG1, and Flg 22 (Lecourieux et al, 2006 ; Vandelle et al, 2006 ; Aziz et al, 2007 ; Trdá et al, 2014 ).…”

Section: Discussionmentioning

confidence: 99%

Soybean and casein hydrolysates induce grapevine immune responses and resistance against Plasmopara viticola

et al. 2014

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Plasmopara viticola, the causal agent of grapevine downy mildew, is one of the most devastating grape pathogen in Europe and North America. Although phytochemicals are used to control pathogen infections, the appearance of resistant strains and the concern for possible adverse effects on environment and human health are increasing the search for alternative strategies. In the present investigation, we successfully tested two protein hydrolysates from soybean (soy) and casein (cas) to trigger grapevine resistance against P. viticola. On Vitis vinifera cv. Marselan plants, the application of soy and cas reduced the infected leaf surface by 76 and 63%, as compared to the control, respectively. Since both hydrolysates might trigger the plant immunity, we investigated their ability to elicit grapevine defense responses. On grapevine cell suspensions, a different free cytosolic calcium signature was recorded for each hydrolysate, whereas a similar transient phosphorylation of two MAP kinases of 45 and 49 kDa was observed. These signaling events were followed by transcriptome reprogramming, including the up-regulation of defense genes encoding pathogenesis-related (PR) proteins and the stilbene synthase enzyme responsible for the biosynthesis of resveratrol, the main grapevine phytoalexin. Liquid chromatography analyses confirmed the production of resveratrol and its dimer metabolites, δ- and ε-viniferins. Overall, soy effects were more pronounced as compared to the cas ones. Both hydrolysates proved to act as elicitors to enhance grapevine immunity against pathogen attack.

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Section: Discussionmentioning

confidence: 99%

Soybean and casein hydrolysates induce grapevine immune responses and resistance against Plasmopara viticola

et al. 2014

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“…Upregulation of many genes has been reported to help the plant to withstand the stress conditions which leads to plant adaptation [130]. Upon stress plants perceive the external and internal signals through different independent or interlinked pathways which are used to regulate various responses for its tolerance development ([131]; Figure 5).…”

Section: Mechanism Of Signal Transduction and Development Of Heat mentioning

confidence: 99%

Physiological, Biochemical, and Molecular Mechanisms of Heat Stress Tolerance in Plants

Hasanuzzaman

Nahar

Alam

et al. 2013

IJMS

1,731

985

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High temperature (HT) stress is a major environmental stress that limits plant growth, metabolism, and productivity worldwide. Plant growth and development involve numerous biochemical reactions that are sensitive to temperature. Plant responses to HT vary with the degree and duration of HT and the plant type. HT is now a major concern for crop production and approaches for sustaining high yields of crop plants under HT stress are important agricultural goals. Plants possess a number of adaptive, avoidance, or acclimation mechanisms to cope with HT situations. In addition, major tolerance mechanisms that employ ion transporters, proteins, osmoprotectants, antioxidants, and other factors involved in signaling cascades and transcriptional control are activated to offset stress-induced biochemical and physiological alterations. Plant survival under HT stress depends on the ability to perceive the HT stimulus, generate and transmit the signal, and initiate appropriate physiological and biochemical changes. HT-induced gene expression and metabolite synthesis also substantially improve tolerance. The physiological and biochemical responses to heat stress are active research areas, and the molecular approaches are being adopted for developing HT tolerance in plants. This article reviews the recent findings on responses, adaptation, and tolerance to HT at the cellular, organellar, and whole plant levels and describes various approaches being taken to enhance thermotolerance in plants.

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“…In plants, Ca 21 serves as an important, ubiquitous second messenger and regulates many physiological processes (Tuteja and Sopory, 2008;Tuteja, 2009;Boudsocq et al, 2010). Ca 21 channels, pumps, and exchangers (carriers) control the plant Ca 21 homeostasis maintenance under a variety of stimuli through the regulation of diverse Ca 21 transport systems (Gong et al, 2013;Boudsocq et al, 2010;Kudla et al, 2010).…”

Section: Calcium and Calcium-regulated Proteinsmentioning

confidence: 99%

Heat Shock Proteins (Hsps) Mediated Signalling Pathways During Abiotic Stress Conditions

Divya

Bhatnagar‐Mathur

Sharma

et al. 2019

Plant Signaling Molecules

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Integrated Calcium Signaling in Plants

Cited by 47 publications

References 87 publications

Soybean and casein hydrolysates induce grapevine immune responses and resistance against Plasmopara viticola

Soybean and casein hydrolysates induce grapevine immune responses and resistance against Plasmopara viticola

Physiological, Biochemical, and Molecular Mechanisms of Heat Stress Tolerance in Plants

Heat Shock Proteins (Hsps) Mediated Signalling Pathways During Abiotic Stress Conditions

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