ArticleRice (New York, N.Y.)2019
Fine mapping of qBK1, a major QTL for bakanae disease resistance in rice.
Article in Rice (New York, N.Y.), 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 9 papers.
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Who cites it
9 citing papers in PubMed, 31 citations in OpenAlex.
- Identification of qBK2.1, a novel QTL controlling rice resistance against Fusarium fujikuroi.Botanical studies · 2023Article
- Past and Future Epidemiological Perspectives and Integrated Management of Rice Bakanae in Korea.The plant pathology journal · 2023Review
- Fine mapping ofFrontiers in plant science · 2023Article
- An explanation of the mystifying bakanae disease narrative for tomorrow's rice.Frontiers in microbiology · 2023Review
- Characterization and QTL Mapping of a Major Field Resistance Locus for Bacterial Blight in Rice.Plants (Basel, Switzerland) · 2022Article
- Mapping of a Major QTL,Plants (Basel, Switzerland) · 2021Article
- Transcriptome Analysis of Early Defenses in Rice against Fusarium fujikuroi.Rice (New York, N.Y.) · 2020Article
- Genome-wide association mapping of gene loci affecting disease resistance in the rice-Fusarium fujikuroi pathosystem.Rice (New York, N.Y.) · 2019Article
- Current insights on rice (Journal of Zhejiang University. Science. BArticle
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Authors and funding
12 authors at 2 institutions in 2 countries.
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Abstract
backgroundBakanae disease is an important fungal disease caused by Gibberella fujikuroi. Incidence of rice bakanae disease creates serious problems in the foremost rice growing countries, and no rice variety has been found to be completely resistant to this disease. However, breeding rice varieties resistant to bakanae disease may be a cost-saving solution preferable to the application of fungicides. In this study, we aimed to determine the exact position and the candidate gene for qBK1, a major resistant quantitative trait locus (QTLs) for bakanae disease.
resultsThe genotypes/phenotypes of recombinants selected from backcrossed recombinant inbred lines of two rice varieties, Shingwang (resistant) and Ilpum (susceptible), indicated that the locus qBK1, conferring resistance to bakanae disease in Shingwang, was delimited to a 35-kb interval delimited by InDel 18 (23.637 Mbp) and InDel 19-14 (23.672 Mbp). Sequence analysis of this 35-kb region revealed four candidate genes, LOC_Os01g41770, LOC_Os01g41780, LOC_Os01g41790, and LOC_Os01g41800. There were many non-synonymous SNPs in LOC_Os01g41770 and the transcript of LOC_Os01g41790 was early terminated in Shingwang, whereas there were no differences in both LOC_Os01g41780 and LOC_Os01g41800 sequences between Ilpum and Shingwang. Expression profiling of the four candidate genes showed the up-regulation of LOC_Os01g41770, LOC_Os01g41780, and LOC_Os01g41790 in Ilpum and of LOC_Os01g41800 in Shingwang after inoculation of G. fujikuroi.
conclusionUtilization of marker-assisted selection (MAS) with a precise molecular marker on qBK1 could provide an effective tool for breeding rice varieties resistant to bakanae disease. To our knowledge, this is the first report on fine mapping and candidate gene approaches for identifying the gene for qBK1.
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