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Wojciechowski, M.F., Lavin, M. and Sanderson, M.J. A phylogeny of legumes (Leguminosae) based on analysis of the plastid MATK gene resolves many well-supported subclades within the family. American Journal of Botany, 91, 1846-1862, 2004.

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Article

Purification of an Antiproliferative Lectin from Erophaca Baetica (Leguminosae) Seeds

1Instituto de la Grasa (C.S.I.C.), Avda Padre García Tejero, Sevilla, SPAIN


Journal of Food and Nutrition Research. 2013, Vol. 1 No. 5, 87-91
DOI: 10.12691/jfnr-1-5-2
Copyright © 2013 Science and Education Publishing

Cite this paper:
Cristina Megías, Isabel Cortés-Giraldo, Julio Girón-Calle, Manuel Alaiz, Javier Vioque. Purification of an Antiproliferative Lectin from Erophaca Baetica (Leguminosae) Seeds. Journal of Food and Nutrition Research. 2013; 1(5):87-91. doi: 10.12691/jfnr-1-5-2.

Correspondence to: Javier Vioque, Instituto de la Grasa (C.S.I.C.), Avda Padre García Tejero, Sevilla, SPAIN. Email: jvioque@ig.csic.es

Abstract

A lectin has been purified from the seeds of Erophaca baetica, an endemic legume of the Mediterranean Region. The protein has been purified from an albumin extract by gel filtration chromatography, after realization that affinity chromatography using Sephadex G-50 did not retain any proteins. Characterization of this protein shows that it is a 60 kDa homodimeric glycoprotein with 235 mg sugars / g protein, and two 30 kDa subunits. Its amino acid composition is similar to those reported for the lectins of other related legumes such as Astragalus mongholicus. It agglutinates trypsinized erythrocytes, and inhibits proliferation of human leukemic THP-1 cells. Thus, this novel lectin may be of interest from a functional point of view due to its antiproliferative activity.

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