ArticleJournal of experimental botany2025
Superior haplotypes of genes associated with higher grain yield under reproductive stage drought stress in rice.
Article in Journal of experimental botany, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.
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Who cites it
5 citing papers in PubMed.
- Multi-Omics Dissection of Drought Stress Responses in Crops: From Molecular Regulatory Networks to Climate-Resilient Breeding Applications.International journal of molecular sciences · 2026Review
- Dissection of local haplotype diversity at soybean rust loci reveals resistance-associated and context-dependent variation patterns in diverse germplasm.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2026Article
- Subspecies-specific haplotype signatures for customizing blanchability in groundnut (Arachis hypogaea L.) via haplotype-based breeding.Communications biology · 2026Article
- Genome-wide analysis of the Hsp70 gene family in rice reveals that OsHsp70-9 plays a significant role in heat stress response.BMC plant biology · 2025Article
- Plant stress physiology: safeguarding food security in a changing climate.Journal of experimental botany · 2025Article
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Authors and funding
16 authors.
Funding
Abstract
Understanding the genetic basis of reproductive stage drought tolerance (RSDT) requires bridging genomic variations with phenotype. This study employed a genome-wide association study (GWAS) using 450 rice accessions for grain yield under reproductive stage drought stress across three locations and two seasons. The results revealed 67 marker-trait associations (MTAs) that corresponded to 23 candidate genes. Superior haplotypes were identified for 10 RSDT-related genes, namely SAP-H22, WRKY109-H6, OsIRO2-H3, OsSOBIR1-H68, OsPGL31-H8, OsDAHPS1-H2, ZCD-H13, OsMC2-H8, Ospdr9-H16, and SDR-H2. These genes are involved in stress-related processes such as transcription regulation, cell wall structure modification, leaf rolling, programmed cell death, redox stress, and secondary metabolite accumulation. Notably, introgressing superior haplotypes from the OsIRO2-H3 gene into an elite rice cultivar led to a yield advantage of 25.0-27.3% over recurrent parents. These findings highlight the potential of these genes as valuable resources for breeding high-yielding, drought-tolerant rice varieties.
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