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Different species can find convergent solutions to adapt their genome to the same evolutionary constraints, although functional convergence promoted by chromosomal rearrangements in different species has not previously been found. In this work, we discovered that two domesticated yeast species, Saccharomyces cerevisiae , and Saccharomyces uvarum , acquired chromosomal rearrangements to convergently adapt to the presence of sulfite in fermentation environments. We found two new heterologous chromosomal translocations in fermentative strains of S . uvarum at the SSU1 locus, involved in sulfite resistance, an antimicrobial additive widely used in food production. These are convergent events that share similarities with other SSU1 locus chromosomal translocations previously described in domesticated S . cerevisiae strains. In S . uvarum , the newly described VII XVI and XI XVI chromosomal translocations generate an overexpression of the SSU1 gene and confer increased sulfite resistance. This study highlights the relevance of chromosomal rearrangements to promote the adaptation of yeast to anthropic environments.
Saccharomyces cerevisiae Proteins, Anion Transport Proteins, Adaptation, Biological, Polyamines and Biogenic Amines in Biology and Health, Wine, Saccharomyces cerevisiae, QH426-470, Chromosomal translocations, Gene, Biochemistry, DOMESTICACIÓN, Translocation, Genetic, Agricultural and Biological Sciences, Saccharomyces, Anti-Infective Agents, https://purl.org/becyt/ford/1.6, Biochemistry, Genetics and Molecular Biology, Genetics, Humans, Sulfites, CONVERGENT ADAPTATION, https://purl.org/becyt/ford/1, Promoter Regions, Genetic, Molecular Biology, Biology, Phylogeny, Genome, Genomic Expression and Function in Yeast Organism, Life Sciences, SACCHAROMYCES UVARUM, Genomics, Yeast, Polymerase chain reaction, Microbial Interactions in Wine Production and Flavor, FOS: Biological sciences, Sulfite, Fermentation, Food Preservatives, Locus (genetics), SUPHITE, Chromosomes, Fungal, Chromosomal translocation, Research Article, Food Science
Saccharomyces cerevisiae Proteins, Anion Transport Proteins, Adaptation, Biological, Polyamines and Biogenic Amines in Biology and Health, Wine, Saccharomyces cerevisiae, QH426-470, Chromosomal translocations, Gene, Biochemistry, DOMESTICACIÓN, Translocation, Genetic, Agricultural and Biological Sciences, Saccharomyces, Anti-Infective Agents, https://purl.org/becyt/ford/1.6, Biochemistry, Genetics and Molecular Biology, Genetics, Humans, Sulfites, CONVERGENT ADAPTATION, https://purl.org/becyt/ford/1, Promoter Regions, Genetic, Molecular Biology, Biology, Phylogeny, Genome, Genomic Expression and Function in Yeast Organism, Life Sciences, SACCHAROMYCES UVARUM, Genomics, Yeast, Polymerase chain reaction, Microbial Interactions in Wine Production and Flavor, FOS: Biological sciences, Sulfite, Fermentation, Food Preservatives, Locus (genetics), SUPHITE, Chromosomes, Fungal, Chromosomal translocation, Research Article, Food Science
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