ArticleGenetica2011
Isolation and characterization of a new repetitive DNA family recently amplified in the Mesoamerican gene pool of the common bean (Phaseolus vulgaris L., Fabaceae).
Article in Genetica, 2011. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers.
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6 citing papers in PubMed.
- Differential amplification of the subtelomeric satellite DNA JcSAT1 in the genus Jatropha L. (Euphorbiaceae).Genetica · 2024Article
- Diversity of repetitive sequences within compact genomes of Phaseolus L. beans and allied genera Cajanus L. and Vigna Savi.Chromosome research : an international journal on the molecular, supramolecular and evolutionary aspects of chromosome biology · 2020Article
- Evolutionary dynamics of satellite DNA repeats from Phaseolus beans.Protoplasma · 2017Article
- Intra- and interchromosomal rearrangements between cowpea [Vigna unguiculata (L.) Walp.] and common bean (Phaseolus vulgaris L.) revealed by BAC-FISH.Chromosome research : an international journal on the molecular, supramolecular and evolutionary aspects of chromosome biology · 2015Article
- Differential amplification of satellite PaB6 in chromosomally hypervariable Prospero autumnale complex (Hyacinthaceae).Annals of botany · 2014Article
- Increasing the density of markers around a major QTL controlling resistance to angular leaf spot in common bean.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2013Article
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4 authors.
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Abstract
The common bean (Phaseolus vulgaris) is one of the most important crop plants. About 50% of its genome is composed of repetitive sequences, but only a little fraction was isolated and characterized so far. In this paper, a new repetitive DNA family from the species, named PvMeso, was isolated and characterized in both gene pools of P. vulgaris (Andean and Mesoamerican) and related species. Two fragments, 1.7 and 2.3 kb long, were cloned from BAC 255F18, which has previously shown a repetitive pattern. The subclone PvMeso-31 showed a terminal block in chromosome 7. This subclone contains a 1,705 bp long, AT-rich repeat with small internal repeats and shares a 1.2 kb region with PvMeso-47, derived from the 2.3 kb fragment. The presence of this repetitive block was restricted to Mesoamerican accessions of the common bean. In P. acutifolius, P. leptostachyus and Andean P. vulgaris, only a faint, 2.3 kb fragment was visualized in Southern experiments. Moreover, in Mesoamerican accessions, two other fragments (1.7 kb and 3.4 kb) were strongly labelled as well. Taken together, our results indicate that PvMeso is a recently emerged, repeat family initially duplicated in chromosome 11, on ancestral Mesoamerican accession, and later amplified in chromosome 7, after the split of the two major gene pools of the common bean.
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