ArticleRice (New York, N.Y.)2016
Allele-specific marker-based assessment revealed that the rice blast resistance genes Pi2 and Pi9 have not been widely deployed in Chinese indica rice cultivars.
Article in Rice (New York, N.Y.), 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 27 papers.
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27 citing papers in PubMed, 75 citations in OpenAlex.
- Resistance architecture and breeding implications of blast and bacterial blight resistance genes in core WDR parents.BMC plant biology · 2026Article
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- The current state of the use of DNA markers for improving the efficiency of rice breeding in Japan.Breeding science · 2026Article
- Detection and Evaluation of Blast Resistance Genes in BackbonePlants (Basel, Switzerland) · 2024Article
- Identification of EliteInternational journal of molecular sciences · 2023Article
- Identification of Rice Accessions Having Cold Tolerance at the Seedling Stage and Development of Novel Genotypic Assays for Predicting Cold Tolerance.Plants (Basel, Switzerland) · 2023Article
- Novel PCR-Based Multiplex Assays for Detecting Major Quality and Biotic Stress in Commercial and Weedy Rice.Life (Basel, Switzerland) · 2022Article
- Article
- Understanding the Dynamics of Blast Resistance in Rice-Journal of fungi (Basel, Switzerland) · 2022Review
- Expanding Gene-Editing Potential in Crop Improvement with Pangenomes.International journal of molecular sciences · 2022Review
- Association analysis of rice resistance genes and blast fungal avirulence genes for effective breeding resistance cultivars.Frontiers in microbiology · 2022Article
- Molecular Breeding of a Novel PTGMS Line of WDR for Broad-Spectrum Resistance to Blast Using Pi9, Pi5, and Pi54 Genes.Rice (New York, N.Y.) · 2021Article
- Recent Progress in Rice Broad-Spectrum Disease Resistance.International journal of molecular sciences · 2021Review
- The Interaction between Rice Genotype and Magnaporthe oryzae Regulates the Assembly of Rice Root-Associated Microbiota.Rice (New York, N.Y.) · 2021Article
- Understanding Rice-Genes · 2021Article
- Identification of Novel Alleles of the Rice Blast-Resistance Gene Pi9 through Sequence-Based Allele Mining.Rice (New York, N.Y.) · 2020Article
- Knockout ofGenes · 2020Article
- Bulked Segregant Analysis Coupled with Whole-Genome Sequencing (BSA-Seq) Mapping Identifies a NovelInternational journal of molecular sciences · 2020Article
- Improvement of rice blast resistance by developing monogenic lines, two-gene pyramids and three-gene pyramid through MAS.Rice (New York, N.Y.) · 2019Article
- Functional Identification of Novel Cell Death-inducing Effector Proteins from Magnaporthe oryzae.Rice (New York, N.Y.) · 2019Article
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Authors and funding
7 authors at 3 institutions in 1 country.
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No grant is acknowledged in the PubMed record.
Abstract
backgroundThe most sustainable approach to control rice blast disease is to develop durably resistant cultivars. In molecular breeding for rice blast resistance, markers developed based on polymorphisms between functional and non-functional alleles of resistance genes, can provide precise and accurate selection of resistant genotypes without the need for difficult, laborious and time-consuming phenotyping. The Pi2 and Pi9 genes confer broad-spectrum resistance against diverse blast isolates. Development of allele-specific markers for Pi2 and Pi9 would facilitate breeding of blast resistant rice by using the two blast resistance genes.
resultIn this work, we developed two new markers, named Pi9-Pro and Pi2-LRR respectively, targeting the unique polymorphisms of the resistant and susceptible alleles of Pi2 and of Pi9. The InDel marker Pi9-Pro differentiates three different genotypes corresponding to the Pi2/Piz-t, Pi9 and non-Pi2/Piz-t/Pi9 alleles, and the CAPS marker Pi2-LRR differentiates the Pi2 allele from the non-Pi2 allele. Based on the two newly developed markers and two available markers Pi2SNP and Pi9SNP, the presence of Pi2 and Pi9 was assessed in a set of 434 rice accessions consisting of 377 Chinese indica cultivars/breeding materials and 57 Chinese japonica cultivars/breeding materials. Of the 434 accessions tested, while one indica restorer line Huazhan was identified harboring the Pi2 resistance allele, no other rice line was identified harboring the Pi2 or Pi9 resistance alleles.
conclusionsAllele-specific marker-based assessment revealed that Pi2 and Pi9 have not been widely incorporated into diverse Chinese indica rice cultivars. Thus, the two blast resistance genes can be new gene sources for developing blast resistant rice, especially indica rice, in China. The two newly developed markers should be highly useful for using Pi2 and Pi9 in marker-assisted selection (MAS) breeding programs.
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