Allele mining and enhanced genetic recombination for rice breeding

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dc.creatorLeung, Hei
dc.creatorRaghavan, Chitra
dc.creatorZhou, Bo
dc.creatorOliva, Ricardo
dc.creatorChoi, Il-Ryong
dc.creatorLacorte, Vanica
dc.creatorJubay, Mona Liza
dc.creatorVera Cruz, Casiana
dc.creatorGregorio, Glenn
dc.creatorSingh, Rakesh Kumar
dc.creatorUlat, Victor Jun
dc.creatorBorja, Frances Nikki
dc.creatorMauleon, Ramil
dc.creatorAlexandrov, Nickolai N.
dc.creatorMcNally, Kenneth L.
dc.creatorHamilton, Ruaraidh Sackville
dc.date2015-12
dc.date2024-12-19T12:54:59Z
dc.date2024-12-19T12:54:59Z
dc.date.accessioned2026-06-27T04:16:24Z
dc.descriptionTraditional rice varieties harbour a large store of genetic diversity with potential to accelerate rice improvement. For a long time, this diversity maintained in the International Rice Genebank has not been fully used because of a lack of genome information. The publication of the first reference genome of Nipponbare by the International Rice Genome Sequencing Project (IRGSP) marked the beginning of a systematic exploration and use of rice diversity for genetic research and breeding. Since then, the Nipponbare genome has served as the reference for the assembly of many additional genomes. The recently completed 3000 Rice Genomes Project together with the public database (SNP-Seek) provides a new genomic and data resource that enables the identification of useful accessions for breeding. Using disease resistance traits as case studies, we demonstrated the power of allele mining in the 3,000 genomes for extracting accessions from the GeneBank for targeted phenotyping. Although potentially useful landraces can now be identified, their use in breeding is often hindered by unfavourable linkages. Efficient breeding designs are much needed to transfer the useful diversity to breeding. Multi-parent Advanced Generation InterCross (MAGIC) is a breeding design to produce highly recombined populations. The MAGIC approach can be used to generate pre-breeding populations with increased genotypic diversity and reduced linkage drag. Allele mining combined with a multi-parent breeding design can help convert useful diversity into breeding-ready genetic resources.
dc.identifierhttps://hdl.handle.net/10568/165370
dc.identifier.urihttp://hdl.handle.net/123456789/27290
dc.languageen
dc.publisherSpringer
dc.rightsOpen Access
dc.sourceLeung, Hei; Raghavan, Chitra; Zhou, Bo; Oliva, Ricardo; Choi, Il Ryong; Lacorte, Vanica; Jubay, Mona Liza; Cruz, Casiana Vera; Gregorio, Glenn; Singh, Rakesh Kumar; Ulat, Victor Jun; Borja, Frances Nikki; Mauleon, Ramil; Alexandrov, Nickolai N.; McNally, Kenneth L. and Sackville Hamilton, Ruaraidh. 2015. Allele mining and enhanced genetic recombination for rice breeding. Rice, Volume 8, no. 1
dc.subjectalleles
dc.subjectdisease resistance
dc.subjectgenetic diversity
dc.subjectgenomes
dc.subjectlandraces
dc.subjectplant breeding
dc.subjectrecombination
dc.titleAllele mining and enhanced genetic recombination for rice breeding
dc.typeJournal Article

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Instituto Internacional de Investigación del Arroz (IRRI)