Two-dimensional gel electrophoresis to identify arcelins from Phaseolus vulgaris with inmuno-proteomic analysis
Carolina Bernal | Daynet Sosa | Iván Galindo-Castro | Nardy Diez
The present study used proteomics to analyze the expression of lectin-like proteins, specifically arcelins, in P. vulgaris cultivar varieties from Venezuela. A PAGE-SDS analysis of 30 commercial accessions of P. vulgaris showed significant differences in the molecular weight range of lectin-like proteins (arcelins). Eight different accessions were selected based on their electroforetic mobility for the proteomic analysis. Arcelin immuno-detection of two dimentional electrophoresed proteins was used to easily display the different arcelin proteomic profiles of the studied accessions. Mass spectrometry analysis confirmed the arcelin nature of these proteins. This is the first report on arcelin evaluation of the Venezuelan germoplasm of P. vulgaris with the aim of enhancing breeding programs by identifying accession materials with resistance to bean storage pests.
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