Chromosome identification in the Andean common bean accession G19833 (Phaseolus vulgaris L., Fabaceae).

Abstract:

: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.

journal_name

Genet Mol Biol

authors

Altrock S,Fonsêca A,Pedrosa-Harand A

doi

10.1590/S1415-47572011005000029

subject

Has Abstract

pub_date

2011-07-01 00:00:00

pages

459-63

issue

3

eissn

1415-4757

issn

1678-4685

pii

S1415-47572011000300016

journal_volume

34

pub_type

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