ArticleMolecular genetics and genomics : MGG2024
Genome-wide association study of drought tolerance in wheat (Triticum aestivum L.) identifies SNP markers and candidate genes.
Article in Molecular genetics and genomics : MGG, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 19 papers.
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Who cites it
19 citing papers in PubMed, 28 citations in OpenAlex.
- Multi-environment genome-wide association study reveals genetic loci associated with drought tolerance during wheat germination.Plant cell reports · 2026Article
- Antagonistic pleiotropy at the stem solidness 1 locus balances wheat stem architecture and yield components under terminal drought.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2026Article
- Genome-wide association mapping and haplotype analysis reveal the genetic architecture of sodicity tolerance in bread wheat (Triticum aestivum L.).Scientific reports · 2026Article
- Multi-Omics Dissection of Drought Stress Responses in Crops: From Molecular Regulatory Networks to Climate-Resilient Breeding Applications.International journal of molecular sciences · 2026Review
- Identification of resistance sources and genomic regions regulating spot blotch resistance in Asian bread wheat (Triticum aestivum L.) via genome-wide association study.The plant genome · 2026Article
- Development and characterization of near-isogenic lines for quantitative trait locus qDT.3B.1 underlying drought tolerance in wheat.The plant genome · 2026Article
- Identification of SNPs and Candidate Genes Associated with Major Drought Tolerance QTL on Wheat Chromosome 4A.Plants (Basel, Switzerland) · 2026Article
- Effectiveness of low-density high-throughput marker platform and easy-to-measure traits for genomic prediction of biomass yield in oat (Avena sativa L.).The plant genome · 2026Article
- Genome-wide association analysis reveals natural genetic variations controlling canopy architecture traits in bread wheat.Scientific reports · 2026Article
- Genome-wide association studies and candidate gene identification under salinity stress in bread wheat (Frontiers in plant science · 2026Article
- Genetic dissection of the root system architecture QTLome and its relationship with early shoot development, breeding and adaptation in durum wheat.The plant genome · 2025Article
- Biometric and molecular responses to water deficit in two contrasting Italian durum wheat cultivars.BMC plant biology · 2025Article
- Genetic Dissection of Drought Tolerance in Maize Through GWAS of Agronomic Traits, Stress Tolerance Indices, and Phenotypic Plasticity.International journal of molecular sciences · 2025Article
- Spatial patterns and key driving factors of wheat harvest index under irrigation and rainfed conditions in arid regions.Frontiers in plant science · 2025Article
- Deciphering the genetic basis of grain iron and zinc content in wheat under heat and drought stress using GWAS.PloS one · 2025Article
- Identification of novel marker-trait associations for agronomic traits in bread wheat under WANA environments through GWAS.PloS one · 2025Article
- Natural variation in the chickpea metabolome under drought stress.Plant biotechnology journal · 2024Article
- Deciphering the genetic basis of novel traits that discriminate useful and non-useful biomass to enhance harvest index in wheat.The plant genome · 2024Article
- Comprehensive Morphological and Molecular Insights into Drought Tolerance Variation at Germination Stage inPlants (Basel, Switzerland) · 2024Article
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Authors and funding
5 authors at 1 institution in 1 country.
Funding
Abstract
Drought stress poses a severe threat to global wheat production, necessitating an in-depth exploration of the genetic basis for drought tolerance associated traits. This study employed a 90 K SNP array to conduct a genome-wide association analysis, unravelling genetic determinants of key traits related to drought tolerance in wheat, namely plant height, root length, and root and shoot dry weight. Using the mixed linear model (MLM) method on 125 wheat accessions subjected to both well-watered and drought stress treatments, we identified 53 SNPs significantly associated with stress susceptibility (SSI) and tolerance indices (STI) for the targeted traits. Notably, chromosomes 2A and 3B stood out with ten and nine associated markers, respectively. Across 17 chromosomes, 44 unique candidate genes were pinpointed, predominantly located on the distal ends of 1A, 1B, 1D, 2A, 3A, 3B, 4A, 6A, 6B, 7A, 7B, and 7D chromosomes. These genes, implicated in diverse functions related to plant growth, development, and stress responses, offer a rich resource for future investigation. A clustering pattern emerged, notably with seven genes associated with SSI for plant height and four genes linked to both STI of plant height and shoot dry weight, converging on specific regions of chromosome arms of 2AS and 3BL. Additionally, shared genes encoding polygalacturonase, auxilin-related protein 1, peptide deformylase, and receptor-like kinase underscored the interconnectedness between plant height and shoot dry weight. In conclusion, our findings provide insights into the molecular mechanisms governing wheat drought tolerance, identifying promising genomic loci for further exploration and crop improvement strategies.
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