Isoenzymatic variability in seeds of some Spanish common beans (Phaseolus vulgaris L. Leguminosae): relation to their domestication centers

By:

Espejo Ibáñez, M.C

Contributor(s):

Material type: Article

ArticleLanguage: English Description: 22(8):827-833Subject(s): LOC classification:

61214

In: Biochemical Systematics and Ecology (United Kingdom)Summary: Phaseolus vulgaris is an important crop species. The cultivated common bean derives from wild forms in two independent domestication centers in Mesoamerica and South America. We report a study of electrophoretic patterns of seven isoenzymatic systems in 29 samples of P. vulgaris seeds. Nineteen of them are from northern Spain, four are from Mesoamerican and six are South American forms. The isoenzymatic activity of esterases, cytochrome c oxidase, acid phosphatase, alkaline phosphatase, alcohol dehydrogenase, shikimate dehydrogenase and glutamate oxaloacetic transaminase were studied. On the basis of electrophoretic patterns of seed isoenzymes, four groups can be recognized using clustering procedures (UPGMA). Comparing this biochemical information with previous morpho-agronomic studies, the possible primary domestication centers of the cultivars are discussed.

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Item type	Current library	Collection	Call number	Copy number	Status	Date due	Barcode	Item holds
Journal Article	CIAT Library Document collection CINFOS	Document Collection CINFOS	61214 (Browse shelf(Opens below))	c.1	Short Loan		100073669

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Phaseolus vulgaris is an important crop species. The cultivated common bean derives from wild forms in two independent domestication centers in Mesoamerica and South America. We report a study of electrophoretic patterns of seven isoenzymatic systems in 29 samples of P. vulgaris seeds. Nineteen of them are from northern Spain, four are from Mesoamerican and six are South American forms. The isoenzymatic activity of esterases, cytochrome c oxidase, acid phosphatase, alkaline phosphatase, alcohol dehydrogenase, shikimate dehydrogenase and glutamate oxaloacetic transaminase were studied. On the basis of electrophoretic patterns of seed isoenzymes, four groups can be recognized using clustering procedures (UPGMA). Comparing this biochemical information with previous morpho-agronomic studies, the possible primary domestication centers of the cultivars are discussed. eng