ArticleRice (New York, N.Y.)2017
High Resolution Mapping of QTLs for Heat Tolerance in Rice Using a 5K SNP Array.
Article in Rice (New York, N.Y.), 2017. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 40 papers, 1 of them a synthesis that pooled it.
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40 citing papers in PubMed, 1 synthesis or guideline pooled it, 112 citations in OpenAlex.
- Meta QTL analysis for dissecting abiotic stress tolerance in chickpea.BMC genomics · 2024Pooled it
- A Simplified Heat-Tolerance Evaluation System at the Pollen Development Stage in Rice (Plants (Basel, Switzerland) · 2026Article
- Genetic and Molecular Basis for Heat Tolerance in Rice: Strategies for Resilience Under Climate Change.Plants (Basel, Switzerland) · 2025Review
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- Decrypting molecular mechanism of heat stress tolerance in rice to tackle climate change challenges through recent approaches.Frontiers in plant science · 2025Review
- Positive effects of public breeding on US rice yields under future climate scenarios.Proceedings of the National Academy of Sciences of the United States of America · 2024Article
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- Utilization of natural alleles for heat adaptability QTLs at the flowering stage in rice.BMC plant biology · 2023Article
- Meta-Analysis of Microarray Data and Their Utility in Dissecting the Mapped QTLs for Heat Acclimation in Rice.Plants (Basel, Switzerland) · 2023Article
- Genetic Research Progress: Heat Tolerance in Rice.International journal of molecular sciences · 2023Review
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- Biotechnological Advances to Improve Abiotic Stress Tolerance in Crops.International journal of molecular sciences · 2022Review
- Natural variation of HTH5 from wild rice, Oryza rufipogon Griff., is involved in conferring high-temperature tolerance at the heading stage.Plant biotechnology journal · 2022Article
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- Challenges and opportunities in productivity and sustainability of rice cultivation system: a critical review in Indian perspective.Cereal research communications · 2022Review
- Physiological and molecular implications of multiple abiotic stresses on yield and quality of rice.Frontiers in plant science · 2022Review
- QTL mapping and identification of candidate genes using a genome-wide association study for heat tolerance at anthesis in rice (Frontiers in genetics · 2022Article
- Identification of alkali-tolerant candidate genes using the NGS-assisted BSA strategy in rice.Molecular breeding : new strategies in plant improvement · 2021Article
Corrections and comments
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Authors and funding
7 authors at 4 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
backgroundHeat stress is one of the major abiotic threats to rice production, next to drought and salinity stress. Incidence of heat stress at reproductive phase of the crop results in abnormal pollination leading to floret sterility, low seed set and poor grain quality. Identification of QTLs and causal genes for heat stress tolerance at flowering will facilitate breeding for improved heat tolerance in rice. In the present study, we used 272 F
resultsTo enable precise phenotyping for heat stress tolerance, we used a controlled phenotyping facility available at ICAR-Indian Institute of Wheat and Barley Research, Karnal, India. Based on 'days to 50% flowering' data of the RILs, we followed staggered sowing to synchronize flowering to impose heat stress at uniform stage. Using the Illumina infinium 5K SNP array for genotyping the parents and the RILs, and stress susceptibility and stress tolerance indices (SSI and STI) of percent spikelet sterility and yield per plant (g), we identified five QTLs on chromosomes 3, 5, 9 and 12. The identified QTLs explained phenotypic variation in the range of 6.27 to 21. 29%. Of these five QTLs, two high effect QTLs, one novel (qSTIPSS9.1) and one known (qSTIY5.1/qSSIY5.2), were mapped in less than 400 Kbp genomic regions, comprising of 65 and 54 genes, respectively.
conclusionsThe present study identified two major QTLs for heat tolerance in rice in narrow physical intervals, which can be employed for crop improvement by marker assisted selection (MAS) after development of suitable scorable markers for breeding of high yielding heat tolerant rice varieties. This is the first report of a major QTL for heat tolerance on chromosome 9 of rice. Further, a known QTL for heat tolerance on chromosome 5 was narrowed down from 23 Mb to 331 Kbp in this study.
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