ArticleFrontiers in plant science2023
Genome-wide association mapping of genomic regions associated with drought stress tolerance at seedling and reproductive stages in bread wheat.
Article in Frontiers in plant science, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 11 papers.
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11 citing papers in PubMed, 19 citations in OpenAlex.
- Development and characterization of near-isogenic lines for quantitative trait locus qDT.3B.1 underlying drought tolerance in wheat.The plant genome · 2026Article
- Multi-locus GWAS uncovers favorable alleles and candidate genes underlying water stress response in chrysanthemum.BMC plant biology · 2026Article
- Genome-wide assessment of genetic diversity and selective signatures in sunflower (Helianthus annuus L.) using a 10 K SNP array.Scientific reports · 2026Article
- Genetic architecture of seedling stage chilling tolerance in United States rice germplasm.Frontiers in plant science · 2026Article
- Genetic mapping and haplotype analysis identify novel candidate genes for high night temperature tolerance in winter wheat.The plant genome · 2025Article
- Exploring genomic loci and candidate genes associated with drought tolerance indices in spring wheat evaluated under two levels of drought.BMC plant biology · 2025Article
- Genome-wide analysis for root and leaf architecture traits associated with drought tolerance at the seedling stage in a highly ecologically diverse wheat population.Computational and structural biotechnology journal · 2024Article
- Genome-wide scanning to identify and validate single nucleotide polymorphism markers associated with drought tolerance in spring wheat seedlings.The plant genome · 2024Article
- Exploring the genetic architecture of powdery mildew resistance in wheat through QTL meta-analysis.Frontiers in plant science · 2024Article
- Combined linkage analysis and association mapping identifies genomic regions associated with yield-related and drought-tolerance traits in wheat (Triticum aestivum L.).TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2023Article
- Genome-wide association study unravels genomic regions associated with chlorophyll fluorescence parameters in wheat (Triticum aestivum L.) under different sowing conditions.Plant cell reports · 2023Article
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Authors and funding
6 authors at 3 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Understanding the genetic architecture of drought stress tolerance in bread wheat at seedling and reproductive stages is crucial for developing drought-tolerant varieties. In the present study, 192 diverse wheat genotypes, a subset from the Wheat Associated Mapping Initiative (WAMI) panel, were evaluated at the seedling stage in a hydroponics system for chlorophyll content (CL), shoot length (SLT), shoot weight (SWT), root length (RLT), and root weight (RWT) under both drought and optimum conditions. Following that, a genome-wide association study (GWAS) was carried out using the phenotypic data recorded during the hydroponics experiment as well as data available from previously conducted multi-location field trials under optimal and drought stress conditions. The panel had previously been genotyped using the Infinium iSelect 90K SNP array with 26,814 polymorphic markers. Using single as well as multi-locus models, GWAS identified 94 significant marker-trait associations (MTAs) or SNPs associated with traits recorded at the seedling stage and 451 for traits recorded at the reproductive stage. The significant SNPs included several novel, significant, and promising MTAs for different traits. The average LD decay distance for the whole genome was approximately 0.48 Mbp, ranging from 0.07 Mbp (chromosome 6D) to 4.14 Mbp (chromosome 2A). Furthermore, several promising SNPs revealed significant differences among haplotypes for traits such as RLT, RWT, SLT, SWT, and GY under drought stress. Functional annotation and
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