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Two interbreeding populations of Saccharomyces cerevisiae strains coexist in cachaça fermentations from Brazil

Overview of attention for article published in FEMS Yeast Research, November 2013
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Title
Two interbreeding populations of Saccharomyces cerevisiae strains coexist in cachaça fermentations from Brazil
Published in
FEMS Yeast Research, November 2013
DOI 10.1111/1567-1364.12108
Pubmed ID
Authors

Fernanda Badotti, Sibelle T. Vilaça, Armando Arias, Carlos A. Rosa, Eladio Barrio

Abstract

In this study, the phylogenetic relationships between cachaça strains of Saccharomyces cerevisiae isolated from different geographical areas in Brazil were obtained on the basis of sequences of one mitochondrial (COX2) and three nuclear (EGT2, CAT8, and BRE5) genes. This analysis allowed us to demonstrate that different types of strains coexist in cachaça fermentations: wine strains, exhibiting alleles related or identical to those present in European wine strains; native strains, containing alleles similar to those found in strains isolated from traditional fermentations from Latin America, North America, Malaysian, Japan, or West Africa; and their intraspecific hybrids or 'mestizo' strains, heterozygous for both types of alleles. Wine strains and hybrids with high proportions of wine-type alleles predominate in southern and southeastern Brazil, where cachaça production coexists with winemaking. The high frequency of 'wine-type' alleles in these regions is probably due to the arrival of wine immigrant strains introduced from Europe in the nearby wineries due to the winemaking practices. However, in north and northeastern states, regions less suited or not suited for vine growing and winemaking, wine-type alleles are much less frequent because 'mestizo' strains with intermediate or higher proportions of 'native-type' alleles are predominant.

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Mendeley readers

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Geographical breakdown

Country Count As %
Spain 1 3%
France 1 3%
United States 1 3%
Canada 1 3%
Unknown 25 86%

Demographic breakdown

Readers by professional status Count As %
Student > Ph. D. Student 6 21%
Researcher 6 21%
Student > Master 5 17%
Professor 3 10%
Student > Bachelor 3 10%
Other 6 21%
Readers by discipline Count As %
Agricultural and Biological Sciences 18 62%
Biochemistry, Genetics and Molecular Biology 3 10%
Chemistry 3 10%
Unspecified 2 7%
Immunology and Microbiology 2 7%
Other 1 3%