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The diversity and the composition of the yeast micropopulation significantly contribute to the sensory characteristics of wine. The growth of each wine yeast species is characterized by a specific metabolic activity, which determines concentrations of flavour compounds in the final wine. However, it must be underlined that, within each species, significant(More)
AIMS Investigation of the meiotic segregation of karyotypes and physiological traits in indigenous Saccharomyces strains isolated from Aglianico (South Italy) red wine. METHODS AND RESULTS Segregation was studied in F1 and F2 descendants. Tetrads were isolated from sporulating cultures by micromanipulation. The spore clones were subjected to karyotype(More)
A strain of Saccharomyces cerevisiae homozygous for different physiological and metabolic characters was inoculated into two grape musts and the stability of the characters was tested by isolating clones at different fermentation stages. A total of 60 cell-clones were collected and asci dissected from each, yielding a total of 1200 single spore cultures,(More)
In order to study the composition of the lactic acid bacteria (LAB) community of sourdoughs used for the manufacture of Altamura bread, a traditional durum wheat bread produced in Apulia (Southern Italy), 111 strains of LAB were isolated and characterized. The phenotypic characterization of the isolates, carried out using a set of 29 tests, allowed the(More)
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