Comptes rendus de l’Acade'mie bulgare des Sciences, Vol 71, No3, pp.345-350

Seed Proteins Variation and Systematic Affinities among Four Taxa of Genus Elymus (Triticeae – Poaceae)

Georgi Angelov, Magdalena Szczepaniak

ABSTRACT

Four taxa of genera Elymus L. sensu lato with different genomic constitution were studied in order to assess their systematic relationships. Seed protein diversity was analyzed by polyacrylamide gel electrophoresis (PAGE) and sodium dodecyl sulphate polyacrylamide gel electrophoresis (SDS-PAGE). Altogether, 39 reproducible and reliable bands were scored. Jaccard’s coefficient of similarity showed that the hexaploid species E. repens (StStH),
E. pycnanthus (StEP) and E. hispidus (StE^eE^b) were closely related within Elymus . The hybrid E.×mucronatus demonstrated high similarity to its parents E. repens and E. hispidus . It occupies almost equidistant position between them. Thus, the study confirmed the intermediate nature of E.×mucronatus .

Key words: Elymus , Triticeae , PAGE, SDS-PAGE, seed proteins, variation, systematic affinities

Topic: BIOLOGY