ArticleRice (New York, N.Y.)2020
Identification and Characterization of a Large Effect QTL from Oryza glumaepatula Revealed Pi68(t) as Putative Candidate Gene for Rice Blast Resistance.
Article in Rice (New York, N.Y.), 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 15 papers.
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Who cites it
15 citing papers in PubMed, 39 citations in OpenAlex.
- Research Progress on Rice-Blast-Resistance-Related Genes.Plants (Basel, Switzerland) · 2025Review
- Molecular breeding approaches for sustainable rice blast management: recent advances and challenges.Frontiers in plant science · 2025Review
- Wild rice: unlocking the future of rice breeding.Plant biotechnology journal · 2024Review
- Refinement of rice blast disease resistance QTLs and gene networks through meta-QTL analysis.Scientific reports · 2024Article
- Genome-Wide Association Study Identifies Rice Panicle Blast-Resistant GeneInternational journal of molecular sciences · 2024Article
- The International Oryza Map Alignment Project (IOMAP): the Americas-past achievements and future directions.Journal of experimental botany · 2023Article
- Phenotypic and Genotypic screening of fifty-two rice (Oryza sativa L.) genotypes for desirable cultivars against blast disease.PloS one · 2023Article
- Detection of QTLs Regulating Six Agronomic Traits of Rice Based on Chromosome Segment Substitution Lines of Common Wild Rice (Biomolecules · 2022Article
- Advancement in the Breeding, Biotechnological and Genomic Tools towards Development of Durable Genetic Resistance against the Rice Blast Disease.Plants (Basel, Switzerland) · 2022Review
- Understanding the Dynamics of Blast Resistance in Rice-Journal of fungi (Basel, Switzerland) · 2022Review
- Interspecific Hybridization Is an Important Driving Force for Origin and Diversification of Asian Cultivated RiceFrontiers in plant science · 2022Review
- Potential of Genome Editing to Capture Diversity From Australian Wild Rice Relatives.Frontiers in genome editing · 2022Review
- Identification and fine mapping ofMolecular breeding : new strategies in plant improvement · 2021Article
- Toward Integrated Multi-Omics Intervention: Rice Trait Improvement and Stress Management.Frontiers in plant science · 2021Review
- Marker Assisted Gene Pyramiding (MAGP) for bacterial blight and blast resistance into mega rice variety "Tellahamsa".PloS one · 2020Article
Corrections and comments
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Authors and funding
12 authors at 3 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
backgroundField resistance is often effective and durable as compared to vertical resistance. The introgression line (INGR15002) derived from O. glumaepatula has proven broad spectrum field resistance for both leaf and neck blast.
resultsQuantitative Trait Loci (QTL) analysis of INGR15002, led to the identification of two major QTL - qBL3 contributing about 34% and 32% phenotypic variance towards leaf and neck blast resistance, respectively and qBL7 contributing about 25% of phenotypic variance for leaf blast. Further, qBL3 was fine mapped, narrowed down to 300 kb region and a linked SNP maker was identified. By combining mapping with microarray analysis, a candidate gene, Os03g0281466 (malectin-serine threonine kinase), was identified in the fine mapped region and named as Pi68(t). The nucleotide variations in the coding as well as upstream region of the gene was identified through cloning and sequence analysis of Pi68(t) alleles. These significant variations led to the non-synonymous changes in the protein as well as variations (presence/absence) in four important motifs (W-box element; MYC element; TCP element; BIHD1OS) at promoter region those are associated with resistance and susceptible reactions. The effect of qBL3 was validated by its introgression into BPT5204 (susceptible variety) through marker-assisted selection and progeny exhibiting resistance to both leaf and neck blast was identified. Further, the utility of linked markers of Pi68(t) in the blast breeding programs was demonstrated in elite germplasm lines.
conclusionsThis is the first report on the identification and characterization of major effect QTL from O. glumaepatula, which led to the identification of a putative candidate gene, Pi68(t), which confers field resistance to leaf as well as neck blast in rice.
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