Physiological and proteome studies of responses to heat stress during grain filling in contrasting wheat cultivars

Xiao, Wang; Dinler, Burcu Seçkin; Vignjevic, Marija; Jacobsen, Susanne; Wollenweber, Bernd

doi:10.1016/j.plantsci.2014.10.009

Cited by 103 publications

(83 citation statements)

References 88 publications

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“…However, their abundance was not induced by heat stress in this study, as shown in previous heat stress studies (Shin et al, 2005; Lee et al, 2007; Wang et al, 2011, 2015). By contrast, GSTs and Trxs that were also involved in maintaining redox homeostasis in plants (Dixon et al, 2002; Park et al, 2009; Zhang et al, 2011; Zagorchev et al, 2013; Labrou et al, 2015), played a prominent role in redox regulation in our analysis.…”

Section: Discussionsupporting

confidence: 88%

“…Rubisco is crucial for carboxylation in the Calvin cycle and it is known to be inhibited by heat stress (Lee et al, 2007; Wang et al, 2015). In our results, all the four heat-responsive Rubisco large subunits and Rubisco small subunits were significantly decreased (Supplementary Table 4).…”

Section: Resultsmentioning

confidence: 99%

“…Severe or prolonged heat stress reduces the expression levels and enzyme activities of several major antioxidant enzymes, such as superoxide dismutase (SOD), catalase (CAT), and ascorbate peroxidase (APX), leading to ROS accumulation and a negative impact on plant growth and development (Mittler et al, 2004; Wang et al, 2011, 2015; Narayanan et al, 2015). …”

Section: Introductionmentioning

confidence: 99%

“…Proteomics analyses have also revealed that HSPs, detoxification, protein synthesis and photosynthesis process are affected by heat stress (Rollins et al, 2013; Liao et al, 2014). However, in wheat, only HSPs have been characterized by proteomic analysis under heat stress in previous studies because of limited genomic information and technical restrictions (Nguyen et al, 1994; Majoul et al, 2003, 2004; Wang et al, 2015). …”

Section: Introductionmentioning

confidence: 99%

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Comparative Proteomic Analysis of Flag Leaves Reveals New Insight into Wheat Heat Adaptation

Wang

et al. 2017

Front. Plant Sci.

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Hexaploid wheat (Triticum aestivum L.) is an important food crop but it is vulnerable to heat. The heat-responsive proteome of wheat remains to be fully elucidated because of previous technical and genomic limitations, and this has hindered our understanding of the mechanisms of wheat heat adaptation and advances in improving thermotolerance. Here, flag leaves of wheat during grain filling stage were subjected to high daytime temperature stress, and 258 heat-responsive proteins (HRPs) were identified with iTRAQ analysis. Enrichment analysis revealed that chlorophyll synthesis, carbon fixation, protein turnover, and redox regulation were the most remarkable heat-responsive processes. The HRPs involved in chlorophyll synthesis and carbon fixation were significantly decreased, together with severe membrane damage, demonstrating the specific effects of heat on photosynthesis of wheat leaves. In addition, the decrease in chlorophyll content may result from the decrease in HRPs involved in chlorophyll precursor synthesis. Further analysis showed that the accumulated effect of heat stress played a critical role in photosynthesis reduction, suggested that improvement in heat tolerance of photosynthesis, and extending heat tolerant period would be major research targets. The significantly accumulation of GSTs and Trxs in response to heat suggested their important roles in redox regulation, and they could be the promising candidates for improving wheat thermotolerance. In summary, our results provide new insight into wheat heat adaption and provide new perspectives on thermotolerance improvement.

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Section: Discussionsupporting

confidence: 88%

Section: Resultsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

See 2 more Smart Citations

Comparative Proteomic Analysis of Flag Leaves Reveals New Insight into Wheat Heat Adaptation

Wang

et al. 2017

Front. Plant Sci.

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“…In young panicles of rice, a putative serine carboxypeptidase‐like protein, OsGS5 (Oryzae sativa Grain Size 5 ), which is implicated in natural variation of grain size (Li et al ., ), has been shown to competitively inhibit MSBP1, and thereby promote BR signaling and grain size (Xu et al ., ). The OsGS5 homolog in wheat, TaGS5 , has been recently cloned and shown to be associated with grain weight (Wang et al ., ,b). Whether TaGS5 and its promoter polymorphism cause MSBP1 inhibition and promote BR signaling and spike growth in wheat remains to be investigated.…”

Section: Discussionmentioning

confidence: 99%

Phenotypic and genome‐wide association analysis of spike ethylene in diverse wheat genotypes under heat stress

et al. 2016

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The gaseous phytohormone ethylene plays an important role in spike development in wheat (Triticum aestivum). However, the genotypic variation and the genomic regions governing spike ethylene (SET) production in wheat under long-term heat stress remain unexplored. We investigated genotypic variation in the production of SET and its relationship with spike dry weight (SDW) in 130 diverse wheat elite lines and landraces under heat-stressed field conditions. We employed an Illumina iSelect 90K single nucleotide polymorphism (SNP) genotyping array to identify the genetic loci for SET and SDW through a genome-wide association study (GWAS) in a subset of the Wheat Association Mapping Initiative (WAMI) panel. The SET and SDW exhibited appreciable genotypic variation among wheat genotypes at the anthesis stage. There was a strong negative correlation between SET and SDW. The GWAS uncovered five and 32 significant SNPs for SET, and 22 and 142 significant SNPs for SDW, in glasshouse and field conditions, respectively. Some of these SNPs closely localized to the SNPs for plant height, suggesting close associations between plant height and spike-related traits. The phenotypic and genetic elucidation of SET and its relationship with SDW supports future efforts toward gene discovery and breeding wheat cultivars with reduced ethylene effects on yield under heat stress.

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Integrated proteome and transcriptome analyses revealed key factors involved in tomato (Solanum lycopersicum) under high temperature stress

Ding

Qian

et al. 2020

Food and Energy Security

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Physiological and proteome studies of responses to heat stress during grain filling in contrasting wheat cultivars

Cited by 103 publications

References 88 publications

Comparative Proteomic Analysis of Flag Leaves Reveals New Insight into Wheat Heat Adaptation

Comparative Proteomic Analysis of Flag Leaves Reveals New Insight into Wheat Heat Adaptation

Phenotypic and genome‐wide association analysis of spike ethylene in diverse wheat genotypes under heat stress

Integrated proteome and transcriptome analyses revealed key factors involved in tomato (Solanum lycopersicum) under high temperature stress

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