ArticleThe plant genome2025
Understanding the genetic basis of heat stress tolerance in wheat (Triticum aestivum L.) through genome-wide association studies.
Article in The plant genome, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 8 papers.
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Who cites it
8 citing papers in PubMed.
- Deciphering the dynamic genetic architecture of adult-plant salinity tolerance in bread wheat using multi-model GWAS and genomic prediction.BMC plant biology · 2026Article
- Genetic dissection of cold stress tolerance and yield potential under cold stress in nested synthetic wheat (Triticum aestivum L.) introgression libraries using multi-locus genome-wide association and haplotype analysis.Functional & integrative genomics · 2026Article
- Advances in gene cloning and functional genomics approaches for wheat (Triticum aestivum L.) improvement.The plant genome · 2026Review
- Genomics for next-generation wheat breeding.The plant genome · 2026Article
- MAGIC population-based genetic dissection of yield-related traits under heat stress in wheat (Frontiers in plant science · 2026Article
- Phenotypic data on seedling traits of hexaploid spring wheat panel evaluated under heat stress.Data in brief · 2025Article
- Understanding the genetic basis of heat stress tolerance in wheat (Triticum aestivum L.) through genome-wide association studies.The plant genome · 2025Article
- Phenotypic data related to seedling traits of hexaploid spring wheat panel evaluated under salinity stress.Data in brief · 2025Article
Corrections and comments
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Authors and funding
7 authors.
Funding
Abstract
Heat stress can reduce the production potential of wheat (Triticum aestivum L.) by affecting the various developmental stages of wheat including the seedling stage. Understanding the genetic basis of heat stress tolerance can help in breeding resilient wheat cultivars with improved productivity. Here, evaluation of a diverse panel of spring wheat landraces and cultivars under non-heat stress (23°C) and heat stress (36°C) treatments in a controlled environment revealed large phenotypic and genetic variations. Heat stress negatively affected all seedling traits with the maximum reduction in root length (85.6%) and the least reduction in coleoptile length (15.44%). Moreover, based on seedling performance, we identified six highly heat tolerant (PI 366905, Kzyl Sark, Rang, Perico S, Bohr Gamh, and PI 620689) and six highly heat susceptible (CItr 17470, CItr 13270, Coeruleum, Shashi, Hallany, and Currawa) genotypes. Genome-wide association analysis using 302,524 single nucleotide polymorphisms identified 23 marker-trait associations (MTAs), of which 16 were associated with various seedling traits under heat stress. Gene annotation and expression analysis indicated 35 differentially expressed genes, of which 13 were considered as high-confidence genes with functional relevance to heat stress including protein kinase, basic-leucine zipper, UDP-glucosyltransferase, pyrophosphate-energized proton pump, fatty acid hydroxylase, and other classes of proteins. The MTAs and candidate genes identified in this study hold promise for developing heat-resilient wheat cultivars through the selection of favorable alleles with gene-specific molecular markers.
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