ArticlePloS one2018
QTL and QTL networks for cold tolerance at the reproductive stage detected using selective introgression in rice.
Article in PloS one, 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 13 papers.
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13 citing papers in PubMed, 31 citations in OpenAlex.
- Article
- Natural variation in CTF1 conferring cold tolerance at the flowering stage in rice.Plant biotechnology journal · 2025Article
- Advances and opportunities in unraveling cold-tolerance mechanisms in the world's primary staple food crops.The plant genome · 2024Review
- Genetic Dissection of Salt Tolerance and Yield Traits ofCurrent issues in molecular biology · 2023Article
- Comparative transcriptomics and co-expression networks reveal cultivar-specific molecular signatures associated with reproductive-stage cold stress in rice.Plant cell reports · 2023Article
- Simultaneous improvement and genetic dissection of drought and submergence tolerances in rice (Frontiers in plant science · 2023Article
- QTL and Candidate Genes: Techniques and Advancement in Abiotic Stress Resistance Breeding of Major Cereals.International journal of molecular sciences · 2022Review
- Introgression Lines: Valuable Resources for Functional Genomics Research and Breeding in Rice (Frontiers in plant science · 2022Review
- Fine mapping of the major QTLs for biochemical variation of sulforaphane in broccoli florets using a DH population.Scientific reports · 2021Article
- Toward Integrated Multi-Omics Intervention: Rice Trait Improvement and Stress Management.Frontiers in plant science · 2021Review
- Differentiation, evolution and utilization of natural alleles for cold adaptability at the reproductive stage in rice.Plant biotechnology journal · 2020Article
- Genomic Breeding of Green Super Rice Varieties and Their Deployment in Asia and Africa.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2020Review
- Identification of main-effect quantitative trait loci (QTLs) for low-temperature stress tolerance germination- and early seedling vigor-related traits in rice (Molecular breeding : new strategies in plant improvement · 2020Article
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Authors and funding
7 authors at 3 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Low temperature stress is one of the major abiotic stresses limiting the productivity of Geng (japonica) rice grown the temperate regions as well as in tropical high lands worldwide. To develop rice varieties with improved cold tolerance (CT) at the reproductive stage, 84 BC2 CT introgression lines (ILs) were developed from five populations through backcross breeding. These CT ILs plus 310 random ILs from the same BC populations were used for dissecting genetic networks underlying CT in rice by detecting QTLs and functional genetic units (FGUs) contributing to CT. Seventeen major QTLs for CT were identified using five selective introgression populations and the method of segregation distortion. Of them, three QTLs were confirmed using the random populations and seven others locate in the regions with previously reported CT QTLs/genes. Using multi-locus probability tests and linkage disequilibrium (LD) analyses, 46 functional genetic units (FGUs) (37 single loci and 9 association groups or AGs) distributed in 37 bins (~20%) across the rice genome for CT were detected. Together, each of the CT loci (bins) was detected in 1.7 populations, including 18 loci detected in two or more populations. Putative genetic networks (multi-locus structures) underlying CT were constructed based on strong non-random associations between or among donor alleles at the unlinked CT loci/FGUs identified in the CT ILs, suggesting the presence of strong epistasis among the detected CT loci. Our results demonstrated the power and usefulness of using selective introgression for simultaneous improvement and genetic dissection of complex traits such as CT in rice.
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