ArticleMolecular genetics and genomics : MGG2014
High-resolution genetic mapping of rice bacterial blight resistance gene Xa23.
Article in Molecular genetics and genomics : MGG, 2014. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 22 papers.
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Who cites it
22 citing papers in PubMed.
- Genetic profiling of bacterial leaf blight resistance genes in Bangladeshi rice varieties.BMC plant biology · 2025Article
- Molecular-Marker-Based Design for Breeding Indica-Japonica Hybrid Rice with Bacterial Blight Resistance.Genes · 2025Article
- A pangenome reference of wild and cultivated rice.Nature · 2025Article
- Characterization and QTL Mapping of a Major Field Resistance Locus for Bacterial Blight in Rice.Plants (Basel, Switzerland) · 2022Article
- Exploring of bacterial blight resistance in landraces and mining of resistant gene(s) using molecular markers and pathogenicity approach.Physiology and molecular biology of plants : an international journal of functional plant biology · 2022Article
- Kam Sweet Rice (Frontiers in plant science · 2022Article
- Genomics-Assisted Improvement of Super High-Yield Hybrid Rice Variety "Super 1000" for Resistance to Bacterial Blight and Blast Diseases.Frontiers in plant science · 2022Article
- A new NLR disease resistance geneFrontiers in plant science · 2022Article
- Research Progress on Cloning and Function ofFrontiers in plant science · 2022Review
- The genetic arms race between plant and Xanthomonas: lessons learned from TALE biology.Science China. Life sciences · 2021Review
- OsLMP1, Encoding a Deubiquitinase, Regulates the Immune Response in Rice.Frontiers in plant science · 2021Article
- Distribution of Bacterial Blight Resistance Genes in the Main Cultivars and Application ofFrontiers in plant science · 2020Article
- Deployment of Genetic and Genomic Tools Toward Gaining a Better Understanding of Rice-Frontiers in plant science · 2020Review
- OsASR2 regulates the expression of a defence-related gene, Os2H16, by targeting the GT-1 cis-element.Plant biotechnology journal · 2018Article
- Improved Tapaswini having four BB resistance genes pyramided with six genes/QTLs, resistance/tolerance to biotic and abiotic stresses in rice.Scientific reports · 2018Article
- Article
- SPL33, encoding an eEF1A-like protein, negatively regulates cell death and defense responses in rice.Journal of experimental botany · 2017Article
- Identification of novel major and minor QTLs associated with Xanthomonas oryzae pv. oryzae (African strains) resistance in rice (Oryza sativa L.).Rice (New York, N.Y.) · 2016Article
- The Fd-GOGAT1 mutant gene lc7 confers resistance to Xanthomonas oryzae pv. Oryzae in rice.Scientific reports · 2016Article
- Development and Evaluation of Chromosome Segment Substitution Lines Carrying Overlapping Chromosome Segments of the Whole Wild Rice Genome.Frontiers in plant science · 2016Article
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Authors and funding
6 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Bacterial blight (BB) caused by Xanthomonas oryzae pv. oryzae (Xoo) is the most devastating bacterial disease of rice (Oryza sativa L.), a staple food crop that feeds half of the world's population. In management of this disease, the most economical and effective approach is cultivating resistant varieties. Due to rapid change of pathogenicity in the pathogen, it is necessary to identify and characterize more host resistance genes for breeding new resistant varieties. We have previously identified the BB resistance (R) gene Xa23 that confers the broadest resistance to Xoo strains isolated from different rice-growing regions and preliminarily mapped the gene within a 1.7 cm region on the long arm of rice chromosome 11. Here, we report fine genetic mapping and in silico analysis of putative candidate genes of Xa23. Based on F2 mapping populations derived from crosses between Xa23-containing rice line CBB23 and susceptible varieties JG30 or IR24, six new STS markers Lj36, Lj46, Lj138, Lj74, A83B4, and Lj13 were developed. Linkage analysis revealed that the new markers were co-segregated with or closely linked to the Xa23 locus. Consequently, the Xa23 gene was mapped within a 0.4 cm region between markers Lj138 and A83B4, in which the co-segregating marker Lj74 was identified. The corresponding physical distance between Lj138 and A83B4 on Nipponbare genome is 49.8 kb. Six Xa23 candidate genes have been annotated, including four candidate genes encoding hypothetical proteins and the other two encoding a putative ADP-ribosylation factor protein and a putative PPR protein. These results will facilitate marker-assisted selection of Xa23 in rice breeding and molecular cloning of this valuable R gene.
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