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Genet. mol. biol ; 34(3): 459-463, 2011. ilus
Artigo em Inglês | LILACS | ID: lil-595992

RESUMO

Characterization of all chromosomes of the Andean G19833 bean genotype was carried out by fluorescent in situ hybridization. Eleven single-copy genomic sequences, one for each chromosome, two BACs containing subtelomeric and pericentromeric repeats and the 5S and 45S ribosomal DNA (rDNA) were used as probes. Comparison to the Mesoamerican accession BAT93 showed little divergence, except for additional 45S rDNA sites in four chromosome pairs. Altogether, the results indicated a relative karyotypic stability during the evolution of the Andean and Mesoamerican gene pools of P. vulgaris.


Assuntos
Marcadores Genéticos , Genótipo , Phaseolus/genética , Mapeamento Cromossômico , DNA Ribossômico , Hibridização in Situ Fluorescente , Cariotipagem
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