Accumulating candidate genes for broad-spectrum resistance to rice blast in a drought-tolerant rice cultivar

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cg.identifier.doihttps://doi.org/10.1038/s41598-021-00759-9en
cg.issn2045-2322en
cg.issue1en
cg.journalScientific Reportsen
cg.volume11en
dc.contributor.authorCarrillo, Maria Gay C.en
dc.contributor.authorMartin, Federicoen
dc.contributor.authorVariar, Mukunden
dc.contributor.authorBhatt, J.C.en
dc.contributor.authorPérez-Quintero, Alvaro L.en
dc.contributor.authorLeung, Heien
dc.contributor.authorLeach, Jan E.en
dc.contributor.authorVera Cruz, Casiana M.en
dc.date.accessioned2024-12-19T12:53:32Zen
dc.date.available2024-12-19T12:53:32Zen
dc.identifier.urihttps://hdl.handle.net/10568/164169
dc.titleAccumulating candidate genes for broad-spectrum resistance to rice blast in a drought-tolerant rice cultivaren
dcterms.abstractBiotic stresses, including diseases, severely affect rice production, compromising producers’ ability to meet increasing global consumption. Understanding quantitative responses for resistance to diverse pathogens can guide development of reliable molecular markers, which, combined with advanced backcross populations, can accelerate the production of more resistant varieties. A candidate gene (CG) approach was used to accumulate different disease QTL from Moroberekan, a blast-resistant rice variety, into Vandana, a drought-tolerant variety. The advanced backcross progeny were evaluated for resistance to blast and tolerance to drought at five sites in India and the Philippines. Gene-based markers were designed to determine introgression of Moroberekan alleles for 11 CGs into the progeny. Six CGs, coding for chitinase, HSP90, oxalate oxidase, germin-like proteins, peroxidase and thaumatin-like protein, and 21 SSR markers were significantly associated with resistance to blast across screening sites. Multiple lines with different combinations, classes and numbers of CGs were associated with significant levels of race non-specific resistance to rice blast and sheath blight. Overall, the level of resistance effective in multiple locations was proportional to the number of CG alleles accumulated in advanced breeding lines. These disease resistant lines maintained tolerance to drought stress at the reproductive stage under blast disease pressure.en
dcterms.accessRightsOpen Access
dcterms.available2021-11-02
dcterms.bibliographicCitationCarrillo, Maria Gay C.; Martin, Federico; Variar, Mukund; Bhatt, J. C.; L. Perez-Quintero, Alvaro; Leung, Hei; Leach, Jan E. and Vera Cruz, Casiana M. 2021. Accumulating candidate genes for broad-spectrum resistance to rice blast in a drought-tolerant rice cultivar. Sci Rep, Volume 11, no. 1en
dcterms.issued2021-11-02
dcterms.languageen
dcterms.licenseCC-BY-4.0
dcterms.publisherSpringeren
dcterms.subjectbroad-spectrum resistanceen
dcterms.subjectdrought resistanceen
dcterms.subjectrice blasten
dcterms.subjectrice cultivaren
dcterms.typeJournal Article

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