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</script>Parallel evolution of the make–accumulate–consume strategy in Saccharomyces and Dekkera yeasts
Parallel evolution of the make–accumulate–consume strategy in Saccharomyces and Dekkera yeasts
Saccharomyces yeasts degrade sugars to two-carbon components, in particular ethanol, even in the presence of excess oxygen. This characteristic is called the Crabtree effect and is the background for the 'make-accumulate-consume' life strategy, which in natural habitats helps Saccharomyces yeasts to out-compete other microorganisms. A global promoter rewiring in the Saccharomyces cerevisiae lineage, which occurred around 100 mya, was one of the main molecular events providing the background for evolution of this strategy. Here we show that the Dekkera bruxellensis lineage, which separated from the Saccharomyces yeasts more than 200 mya, also efficiently makes, accumulates and consumes ethanol and acetic acid. Analysis of promoter sequences indicates that both lineages independently underwent a massive loss of a specific cis-regulatory element from dozens of genes associated with respiration, and we show that also in D. bruxellensis this promoter rewiring contributes to the observed Crabtree effect.
- University of Queensland Australia
- Trinity College Dublin Ireland
- Trinity College Dublin Ireland
- Lund University Sweden
- Lund University Sweden
Cerevisiae, 1300 Biochemistry, Genetics and Molecular Biology, Saccharomyces cerevisiae, Genome Duplication, DNA, Mitochondrial, Article, Brettanomyces-Bruxellensis, Acid, 3100 Physics and Astronomy, Anaerobiosis, Biological Sciences ; Evolution ; Genetics Biotechnology, DNA, Fungal, Promoter Regions, Genetic, Phylogeny, Acetic Acid, Base Sequence, Dekkera, Ethanol, Sequence Analysis, DNA, 1600 Chemistry, Biological Evolution, Metabolism, Glucose, RNA, Ribosomal, Fermentation
Cerevisiae, 1300 Biochemistry, Genetics and Molecular Biology, Saccharomyces cerevisiae, Genome Duplication, DNA, Mitochondrial, Article, Brettanomyces-Bruxellensis, Acid, 3100 Physics and Astronomy, Anaerobiosis, Biological Sciences ; Evolution ; Genetics Biotechnology, DNA, Fungal, Promoter Regions, Genetic, Phylogeny, Acetic Acid, Base Sequence, Dekkera, Ethanol, Sequence Analysis, DNA, 1600 Chemistry, Biological Evolution, Metabolism, Glucose, RNA, Ribosomal, Fermentation
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