Life Sciences
Study results from University of Debrecen update understanding of life sciences
Published in Genomics and Genetics Weekly, December 26th, 2008
New research, 'Interspecies hybridization and recombination in Saccharomyces wine yeasts,' is the subject of a report. According to a study from Debrecen, Hungary, "The ascomycetous yeasts traditionally referred to as the Saccharomyces sensu stricto complex are a group of closely related species that are isolated by a postzygotic barrier. They can easily hybridize; and their allodiploid hybrids propagate by mitotic divisions as efficiently as the parental strains, but can barely divide by meiosis, and thus rarely produce viable spores (sterile interspecies hybrids)."
"The postzygotic isolation is not effective in allotetraploids that are able to carry out meiosis and...
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