Using starch gel electrophoresis, we examined polymorphism of hordein encoded by loci Hrd A, Hrd B, and Hrd F in 77 accessions of local barley varieties from Northern African countries (9 from Marocco, 22 from Algeria, 7 from Tunisia, and 39 from Egypt). For loci Hrd A, Hrd B, andHrd F, respectively 35, 43, and 5 alleles were found. The existence of families of blocks of hordein components encoded by Hrd A and Hrd Bwas demonstrated. The estimation of genetic distances and cluster analysis showed similarity of barley populations from different Northern African countries with regard to alleles of the hordein-coding loci. We suggest that polymorphism at the hordein-coding loci in the populations examined has been mainly formed beyond Northern Africa, where barley has been repeatedly introduced. Apparently, the examined populations from Ethiopia and Egypt are not directly associated.
Russian Journal of Genetics – Springer Journals
Published: Oct 13, 2004
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