ArticleBotanical studies2018
Genome-wide association study of rice genes and loci conferring resistance to Magnaporthe oryzae isolates from Taiwan.
Article in Botanical studies, 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, 34 citations in OpenAlex.
- PtrA, Piz-t, and a novel minor-effect QTL (qBR12_3.3-4.4) collectively contribute to the durable blast-resistance of rice cultivar Tainung 84.Botanical studies · 2024Article
- Identification of significant SNPs and candidate loci for blast disease resistance via GWAS and population structure analysis in ARC panel ofPhysiology and molecular biology of plants : an international journal of functional plant biology · 2024Article
- Superior haplotypes towards the development of blast and bacterial blight-resistant rice.Frontiers in plant science · 2024Article
- Current Studies on Bakanae Disease in Rice: Host Range, Molecular Identification, and Disease Management.Mycobiology · 2023Review
- Advancement in the Breeding, Biotechnological and Genomic Tools towards Development of Durable Genetic Resistance against the Rice Blast Disease.Plants (Basel, Switzerland) · 2022Review
- Identification of Pathogenicity Loci inGenes · 2022Article
- Genome-Wide Association Study Identifies a Rice Panicle Blast Resistance Gene,International journal of molecular sciences · 2022Article
- Article
- Genome-wide association mapping for resistance to bacterial blight and bacterial leaf streak in rice.Planta · 2021Article
- Genome-wide association of rice response to blast fungus identifies loci for robust resistance under high nitrogen.BMC plant biology · 2021Article
- Genome wide association studies for japonica rice resistance to blast in field and controlled conditions.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
- Genome-Wide Association Study for Squalene Contents and Functional Haplotype Analysis in Rice.ACS omega · 2019Article
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Authors and funding
9 authors at 3 institutions in 1 country.
Funding
Abstract
backgroundRice blast, caused by Magnaporthe oryzae, is an important rice disease occurring in all rice-growing areas. To manage blast disease effectively and in an environmentally friendly way, it is important to continually discover diverse resistant resources for breeding. In this study, genome-wide association study (GWAS) was used to map genes/loci resistant to rice blast in the open-access rice diversity panel 1 (RDP1), previously genotyped with a 44K single-nucleotide polymorphism array. Two geographically and genetically different M. oryzae isolates from Taiwan, D41-2 and 12YL-DL3-2, were used to challenge RDP1. Infected leaves were visually rated for lesion type (LT) and evaluated for proportion of diseased leaf area (%DLA) by image analysis software.
resultsA total of 32 quantitative trait loci (QTLs) were identified, including 6 from LT, 30 from DLA, and 4 from both LT and DLA. In all, 22 regions co-localized with previously reported resistance (R) genes and/or QTLs, including two cloned R genes, Pita and Ptr; 19 mapped R loci, and 20 QTLs. We identified 100 candidate genes encoding leucine-rich repeat-containing proteins, transcription factors, ubiquitination-related proteins, and peroxidases, among others, in the QTL intervals. Putative resistance and susceptibility haplotypes of the 32 QTL regions for each tested rice accessions were also determined.
conclusionsBy using Taiwanese M. oryzae isolates and image-based phenotyping for detailed GWAS, this study offers insights into the genetics underlying the natural variation of blast resistance in RDP1. The results can help facilitate the selection of desirable donors for gene/QTL validation and blast resistance breeding.
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