Physiological and transcriptional variations inducing complex adaptive mechanisms in grapevine by salt stress

Haider, Muhammad Salman; Jogaiah, Sudisha; Pervaiz, Tariq; Zhao, Yanxue; Khan, Nadeem; Fang, Jinggui

doi:10.1016/j.envexpbot.2019.03.022

Cited by 45 publications

(35 citation statements)

References 62 publications

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“…Another possible mechanism for the lower biomass accumulation may be the diversion and/or exchange of potential energy from plant growth to sodium ion exclusion. Alternative mechanisms are the synthesis of (Munns and Tester 2008) or the direct effect of decreased photosynthesis (Haider et al 2019). Similar inhibitions of growth and developmen induced by salt-stress have been reported for salt-stressed tomato (Gong et al 2013), wheat (Elkelish et al 2019), melon (Sarabi et al 2017), and maize (Hessini et al 2019).…”

Section: Discussionsupporting

confidence: 68%

Screening and evaluation of reliable traits of upland cotton (Gossypium hirsutum L.) genotypes for salt tolerance at the seedling growth stage

et al. 2020

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Background: Salt stress significantly inhibits the growth, development, and productivity of cotton because of osmotic, ionic, and oxidative stresses. Therefore, the screening and development of salt tolerant cotton cultivars is a key issue towards sustainable agriculture. This study subjected 11 upland cotton genotypes at the seedling growth stage to five different salt concentrations and evaluated their salt tolerance and reliable traits. Results: Several morpho-physiological traits were measured after 10 days of salinity treatment and the salt tolerance performance varied significantly among the tested cotton genotypes. The optimal NaCl concentration for the evaluation of salt tolerance was 200 mmol•L − 1. Membership function value and salt tolerance index were used to identify the most consistent salt tolerance traits. Leaf relative water content and photosynthesis were identified as reliable indicators for salt tolerance at the seedling stage. All considered traits related to salt tolerance indices were significantly and positively correlated with each other except for malondialdehyde. Cluster heat map analysis based on the morpho-physiological salt tolerance-indices clearly discriminated the 11 cotton genotypes into three different salt tolerance clusters. Cluster I represented the salt-tolerant genotypes (Z9807, Z0228, and Z7526) whereas clusters II (Z0710, Z7514, Z1910, and Z7516) and III (Z0102, Z7780, Z9648, and Z9612) represented moderately salttolerant and salt-sensitive genotypes, respectively. Conclusions: A hydroponic screening system was established. Leaf relative water content and photosynthesis were identified as two reliable traits that adequately represented the salt tolerance of cotton genotypes at the seedling growth stage. Furthermore, three salt-tolerant genotypes were identified, which might be used as genetic resources for the salt-tolerance breeding of cotton.

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Section: Discussionsupporting

confidence: 68%

Screening and evaluation of reliable traits of upland cotton (Gossypium hirsutum L.) genotypes for salt tolerance at the seedling growth stage

et al. 2020

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“…The principal component analysis was implemented using Rstudio (R program) for qRT-PCR at a significance level of 0.05 ( p -value) [37,55].…”

Section: Methodsmentioning

confidence: 99%

Genome-Wide Identification and Expression Profiling of the Polygalacturonase (PG) and Pectin Methylesterase (PME) Genes in Grapevine (Vitis vinifera L.)

Khan

Fatima

Haider

et al. 2019

IJMS

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In pectin regulation, polygalacturonases (PGs) and pectin methylesterases (PMEs) are critical components in the transformation, disassembly network, and remodeling of plant primary cell walls. In the current study, we identified 36 PG and 47 PME genes using the available genomic resources of grapevine. Herein, we provide a comprehensive overview of PGs and PMEs, including phylogenetic and collinearity relationships, motif and gene structure compositions, gene duplications, principal component analysis, and expression profiling during developmental stages. Phylogenetic analysis of PGs and PMEs revealed similar domain composition patterns with Arabidopsis. The collinearity analysis showed high conservation and gene duplications with purifying selection. The type of duplications also varied in terms of gene numbers in PGs (10 dispersed, 1 proximal, 12 tandem, and 13 segmental, respectively) and PMEs (23 dispersed, 1 proximal, 16 tandem, and 7 segmental, respectively). The tissue-specific response of PG and PME genes based on the reported transcriptomic data exhibited diverged expression patterns in various organs during different developmental stages. Among PGs, VvPG8, VvPG10, VvPG13, VvPG17, VvPG18, VvPG19, VvPG20, VvPG22, and VvPG23 showed tissue- or organ-specific expression in majority of the tissues during development. Similarly, in PMEs, VvPME3, VvPME4, VvPME5, VvPME6, VvPME19, VvPME21, VvPME23, VvPME29, VvPME31, and VvPME32 suggested high tissue-specific response. The gene ontology (GO), Kyoto Encyclopedia of Genes and Genomics (KEGG) enrichment, and cis-elements prediction analysis also suggested the putative functions of PGs and PMEs in plant development, such as pectin and carbohydrate metabolism, and stress activities. Moreover, qRT-PCR validation of 32 PG and PME genes revealed their role in various organs of grapevines (i.e., root, stem, tendril, inflorescence, flesh, skins, and leaves). Therefore, these findings will lead to novel insights and encourage cutting-edge research on functional characterization of PGs and PMEs in fruit crop species.

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“…Fozouni et al (2012) observed an increase of soluble sugars and proline concentration in grapevine leaves after saline irrigation; cultivars which displayed a higher accumulation of these solutes showed greater chlorophyll and carotenoid concentration and less growth inhibition, suggesting the successful employment of compatible solutes as osmoprotectants. Along with sugars and proline, Haider et al (2019) observed an increase in the expression of genes involved in glycine betaine synthesis, a widely distributed osmoprotectant (McNeil et al 1999), under salt stress in the grapevine cultivar Summer Black. Other transcriptomic studies observed the differential expression of late embryogenesis abundant (LEA) proteins in Trincadeira and Touriga Nacional cultivars under water stress (Rocheta et al 2016) and in Cabernet Sauvignon under both water and saline stresses (Cramer et al 2007).…”

Section: Mechanisms Of Salt Tolerance In Grapevinementioning

confidence: 99%

Grapevine salt tolerance

Zhou‐Tsang

Henderson

et al. 2021

Australian Journal of Grape and Wine Research

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Salinity, which is predominantly an issue for agricultural systems in arid and semi-arid regions, has the potential to impair grape production and wine quality, and its impact on the grape and wine industries is predicted to increase with climate change. Research on the physiological and molecular changes that occur in salt-affected vines has unveiled complex osmotic and ionic responses that include oxidative stress, water loss, photoinhibition, growth inhibition and necrosis. Proposed salt tolerance mechanisms include elevated antioxidant production, hydric regulation and salt exclusion from shoots and berries. These later of these mechanisms is found in certain Vitis genotypes that, when grafted as rootstocks, can protect fruit-bearing scions from accumulating significant amounts of saline ions from soils, most notably through the presence of specific transport proteins that are involved in regulating the transfer of ions from root to shoot via the xylem. Significant gaps in knowledge remain, however, regarding salt tolerance mechanisms for Vitis species, with many mechanisms inferred from other species or documented only at the level of gene expression. A better understanding of the mechanisms that confer salt tolerance in Vitis species is needed to improve the production of new germplasm that is locally adapted and better suited to the challenges of a changing climate. Hence, this review covers the current knowledge on the characteristics that are associated with salt damage and tolerance in grapevine cultivars and rootstocks and highlights possible future avenues that will enable development of new options for the industry to combat salinity.

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Physiological and transcriptional variations inducing complex adaptive mechanisms in grapevine by salt stress

Cited by 45 publications

References 62 publications

Screening and evaluation of reliable traits of upland cotton (Gossypium hirsutum L.) genotypes for salt tolerance at the seedling growth stage

Screening and evaluation of reliable traits of upland cotton (Gossypium hirsutum L.) genotypes for salt tolerance at the seedling growth stage

Genome-Wide Identification and Expression Profiling of the Polygalacturonase (PG) and Pectin Methylesterase (PME) Genes in Grapevine (Vitis vinifera L.)

Grapevine salt tolerance

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