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The Andean gene pool of common bean (Phaseolus vulgaris L.) has high levels of morphological diversity in terms of seed color and size, growth habit and agro-ecological adaptation, but previously was characterized by low levels of molecular marker diversity. Three races have been described within...


Blair, Matthew W.Díaz, J.M.Díaz, Lucy MilenaHidalgo, R.Duque E., Myriam Cristina[Microsatellite characterization of Andean races of common bean (Phaseolus vulgaris L.)]Microsatellite characterization of Andean races of common bean (Phaseolus vulgaris L.)
Blair, Matthew W.Pantoja Delgado, WGiraldo Zapata, Martha C.Durán, L.A.Beaver, James S.[Genetic diversity in caribbean accessions of common bean]Genetic diversity in caribbean accessions of common bean

Common bean (Phaseolus vulgaris L.) cultivars are distinguished morphologically, agronomically and ecologically into specific races within each of the two gene pools found for the species (Andean and Mesoamerican). The objective of this study was to describe the race structure of the Mesoamerican...


Díaz, Lucy MilenaBlair, Matthew W.[Race structure within the Mesoamerican gene pool of common bean (Phaseolus vulgaris L.) as determined by microsatellite markers]Race structure within the Mesoamerican gene pool of common bean (Phaseolus vulgaris L.) as determined by microsatellite markers

Low soil P availability is a primary constraint to common bean (Phaseolus vulgaris L.) production in Latin America and Africa. Substantial genotypic variation in bean adaptation to low phosphorus (LP) availability has been linked with root traits that enhance the efficiency of soil foraging. The ...


Beebe, Stephen E.Rojas, MYan, XBlair, Matthew W.Pedraza García, FabioMuñoz Arboleda, FernandoTohme, Joseph M.Lynch, Jonathan P.[Quantitative trait loci for root architecture traits correlated with phosphorus acquisition in common bean]Quantitative trait loci for root architecture traits correlated with phosphorus acquisition in common bean
Blair, Matthew W.Giraldo Zapata, Martha C.Buendía Castellanos, Hector F.Tovar Luque, EGuerrero, A.F.[Evaluation of microsatellite diversity in common bean parental surveys]Evaluation of microsatellite diversity in common bean parental surveys

Se utilizó la información generada por 29 microsatélites en 63 accesiones del acervo andino de P. vulgaris para elaborar agrupamientos y calcular índices de prevalencia. Las accesiones formaron grupos que correspondieron a las razas Nueva Granada, Chile y Perú. Se determinó la existencia de notor...


Blair, Matthew W.Díaz, J.M.Duque E., Myriam CristinaHidalgo, R.[Evidencia molecular de diferenciación genética e introgresión entre razas de frijol común del acervo andino = Molecular evidence for race structure and introgression among Andean races of common bean]Evidencia molecular de diferenciación genética e introgresión entre razas de frijol común del acervo andino = Molecular evidence for race structure and introgression among Andean races of common bean

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 ac...


Blair, Matthew W.Hedetale, VMcCouch, Susan R.[Fluorescent-labeled microsatellite panels useful for detecting allelic diversity in cultivated rice (Oryza sativa L.)]Fluorescent-labeled microsatellite panels useful for detecting allelic diversity in cultivated rice (Oryza sativa L.)

Background: Gene-based (genic) microsatellites are a useful tool for plant genetics and simple sequence repeat loci can often be found in coding regions of the genome. While EST sequencing can be used to discover genic microsatellites, direct screening of cDNA libraries for repeat motifs can save...


Blair, Matthew W.Muñoz Torres, M.C.Giraldo, M.C.Pedraza, F[Development and diversity of Andean-derived, gene-based microsatellites for common bean (Phaseolus vulgaris L.)]Development and diversity of Andean-derived, gene-based microsatellites for common bean (Phaseolus vulgaris L.)

Cultivated common bean germplasm is especially diverse due to the parallel domestication of two genepools in the Mesoamerican and Andean centers of diversity and introgression between these gene pools. Classification into morphological races has helped to provide a framework for utilization of th...


Blair, Matthew W.Díaz, Lucy MilenaBuendía Castellanos, Hector F.Duque E., Myriam Cristina[Genetic diversity, seed size associations and population structure of a core collection of common beans (Phaseolus vulgaris L.)]Genetic diversity, seed size associations and population structure of a core collection of common beans (Phaseolus vulgaris L.)

The present study describes a new set of 61 polymorphic microsatellite markers for beans and the construction of a genetic map using the BAT93 x Jalo EEP558 (BJ) population for the purpose of developing a reference linkage map for common bean (Phaseolus vulgaris). The main objectives were to inte...


Grisi, MCMBlair, Matthew W.Gepts, Paul L.Brondani, C.Pereira, PAABrondani, Rosana Pereira V.[Genetic mapping of a new set of microsatellite markers in a reference common bean (Phaseolus vulgaris) population BAT93 x Jalo EEP558]Genetic mapping of a new set of microsatellite markers in a reference common bean (Phaseolus vulgaris) population BAT93 x Jalo EEP558

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