Fluorescent-labeled microsatellite panels useful for detecting allelic diversity in cultivated rice (Oryza sativa L.)
2014
matthew w. blair | veena hedetale | susan r. mccouch
Four multiplex panels of fluorescent-labeled rice microsatellite markers were designed to survey allelic diversity at a total of 27 simple sequence repeat loci. Automated fragment detection, size calling and binning were used to identify the microsatellite alleles. The panels were tested on 72 accessions representing the diversity of ecotypes and isozyme groups in cultivated rice (Oryza sativa L.). Genetic diversity was evaluated by estimating the distribution and range of allele sizes, as well as the polymorphism information content (PIC), for each microsatellite locus. The multiplex panels were shown to be useful for fingerprinting and for clustering rice varieties, and genetic associations determined in this analysis agreed well with previous isozyme- and RFLP-based studies of these genotypes. Because of the wide cross-section of germplasm represented, we expect that the allele size-ranges reported here are close to the maximum for cultivated rice. In the future, panels of microsatellites from each rice chromosome will be made to facilitate the mapping of segregating populations and the identification of genes and QTLs underlying traits of interest
اظهر المزيد [+] اقل [-]Matthew W. Blair, Veena Hedetale, Susan R. McCouch, 'Fluorescent-labeled microsatellite panels useful for detecting allelic diversity in cultivated rice (Oryza sativa L.)', Theoretical and Applied Genetics, vol. 105(2), pp.449-457, Springer Science and Business Media LLC, 2014
اظهر المزيد [+] اقل [-]الكلمات المفتاحية الخاصة بالمكنز الزراعي (أجروفوك)
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