Salt stress increases content and size of glutenin macropolymers in wheat grain

Zhang, Xiaxiang; Shi, Zhiqiang; Tian, Yan; Zhou, Qin; Cai, Jian; Dai, Tingbo; Cao, Weixing; Huang, Pu; Jiang, Dong

doi:10.1016/j.foodchem.2015.11.008

Cited by 34 publications

(19 citation statements)

References 37 publications

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“…[16], Zhang et al . [21], and Wright and Rajper [22] who reported yield reduction in wheat under sodic soils were due to fewer grains per plant and reduced grain weight.…”

Section: Discussionmentioning

confidence: 99%

Characterising variation in wheat traits under hostile soil conditions in India

et al. 2017

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Intensive crop breeding has increased wheat yields and production in India. Wheat improvement in India typically involves selecting yield and component traits under non-hostile soil conditions at regional scales. The aim of this study is to quantify G*E interactions on yield and component traits to further explore site-specific trait selection for hostile soils. Field experiments were conducted at six sites (pH range 4.5–9.5) in 2013–14 and 2014–15, in three agro-climatic regions of India. At each site, yield and component traits were measured on 36 genotypes, representing elite varieties from a wide genetic background developed for different regions. Mean grain yields ranged from 1.0 to 5.5 t ha-1 at hostile and non-hostile sites, respectively. Site (E) had the largest effect on yield and component traits, however, interactions between genotype and site (G*E) affected most traits to a greater extent than genotype alone. Within each agro-climatic region, yield and component traits correlated positively between hostile and non-hostile sites. However, some genotypes performed better under hostile soils, with site-specific relationships between yield and component traits, which supports the value of ongoing site-specific selection activities.

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“…[16], Zhang et al . [21], and Wright and Rajper [22] who reported yield reduction in wheat under sodic soils were due to fewer grains per plant and reduced grain weight.…”

Section: Discussionmentioning

confidence: 99%

Characterising variation in wheat traits under hostile soil conditions in India

et al. 2017

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“…From the information available, it seems that the larger the size of the gluten polymers the higher proportion of glutenins they contain, with gliadins and other proteins decreased accordingly. However, it is well known that the amount and size distribution of gluten polymers are affected by both genotypes and environments (Johansson et al 2013;Ni et al 2014;Zhao et al 2011;Zhang et al 2016). Therefore, further proteomic work using more wheat varieties cultivated in different environments is needed in order to obtain a better understanding of the dynamic changes in the composition of gluten polymers in response to genetic background and growth conditions.…”

Section: Composition Of Gluten Polymers As Investigated Using Proteomic Analysismentioning

confidence: 99%

Genomic and functional genomics analyses of gluten proteins and prospect for simultaneous improvement of end-use and health-related traits in wheat

Wang

Cao

et al. 2020

Theor Appl Genet

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Key message Recent genomic and functional genomics analyses have substantially improved the understanding on gluten proteins, which are important determinants of wheat grain quality traits. The new insights obtained and the availability of precise, versatile and high-throughput genome editing technologies will accelerate simultaneous improvement of wheat end-use and health-related traits. Abstract Being a major staple food crop in the world, wheat provides an indispensable source of dietary energy and nutrients to the human population. As worldwide population grows and living standards rise in both developed and developing countries, the demand for wheat with high quality attributes increases globally. However, efficient breeding of high-quality wheat depends on critically the knowledge on gluten proteins, which mainly include several families of prolamin proteins specifically accumulated in the endospermic tissues of grains. Although gluten proteins have been studied for many decades, efficient manipulation of these proteins for simultaneous enhancement of end-use and health-related traits has been difficult because of high complexities in their expression, function and genetic variation. However, recent genomic and functional genomics analyses have substantially improved the understanding on gluten proteins. Therefore, the main objective of this review is to summarize the genomic and functional genomics information obtained in the last 10 years on gluten protein chromosome loci and genes and the cis- and trans-factors regulating their expression in the grains, as well as the efforts in elucidating the involvement of gluten proteins in several wheat sensitivities affecting genetically susceptible human individuals. The new insights gathered, plus the availability of precise, versatile and high-throughput genome editing technologies, promise to speed up the concurrent improvement of wheat end-use and health-related traits and the development of high-quality cultivars for different consumption needs.

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“…Calcium carbide (CaC 2 ), a precursor of ETH was reported to exhibit its ability to alleviate salt stress and improve ETH-concentration, seed germination, osmolytes and activities of α-amylase and decrease H 2 O 2 and MDA contents under salt stress [143]. Ethylene contribution to salt acclimation processes can differ with respect to the type of response, including improved expression of ETH receptors and ETH production [144]. However, ETH involvement in plant response to salt resistance is highly complex and still remains unclear.…”

Section: Ethylene In Salt Tolerancementioning

confidence: 99%

Coordinated Role of Nitric Oxide, Ethylene, Nitrogen, and Sulfur in Plant Salt Stress Tolerance

et al. 2021

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Salt stress significantly contributes to major losses in agricultural productivity worldwide. The sustainable approach for salinity-accrued toxicity has been explored. The use of plant growth regulators/phytohormones, mineral nutrients and other signaling molecules is one of the major approaches for reversing salt-induced toxicity in plants. Application of the signaling molecules such as nitric oxide (NO) and ethylene (ETH) and major mineral nutrient such as nitrogen (N) and sulfur (S) play significant roles in combatting the major consequences of salt stress impacts in plants. However, the literature available on gaseous signaling molecules (NO/ETH) or/and mineral nutrients (N/S) stands alone, and major insights into the role of NO or/and ETH along with N and S in plant-tolerance to salt remained unclear. Thus, this review aimed to (a) briefly overview salt stress and highlight salt-induced toxicity, (b) appraise the literature reporting potential mechanisms underlying the role of gaseous signaling molecules and mineral nutrient in salt stress tolerance, and (c) discuss NO and ETH along with N and S in relation to salt stress tolerance. In addition, significant issues that have still to be investigated in this context have been mentioned.

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Salt stress increases content and size of glutenin macropolymers in wheat grain

Cited by 34 publications

References 37 publications

Characterising variation in wheat traits under hostile soil conditions in India

Characterising variation in wheat traits under hostile soil conditions in India

Genomic and functional genomics analyses of gluten proteins and prospect for simultaneous improvement of end-use and health-related traits in wheat

Coordinated Role of Nitric Oxide, Ethylene, Nitrogen, and Sulfur in Plant Salt Stress Tolerance

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