期刊
G3-GENES GENOMES GENETICS
卷 1, 期 1, 页码 11-25出版社
OXFORD UNIV PRESS INC
DOI: 10.1534/g3.111.000273
关键词
Saccharomyces genome; genome assembly; evolutionary genetics; sensu stricto; genomics yeast species
资金
- NSF
- NIH [NIH-T32-HG00047, NSF-DEB-0844968, NIH-P41-RR011823, NIH-NHGRI-HG002779, NIH-NIGMS-GM31105, NIH-NIGMS-GM032540]
- James S. McDonnell Foundation
- Division Of Environmental Biology
- Direct For Biological Sciences [0844968] Funding Source: National Science Foundation
High-quality, well-annotated genome sequences and standardized laboratory strains fuel experimental and evolutionary research. We present improved genome sequences of three species of Saccharomyces sensu stricto yeasts: S. bayanus var. uvarum(CBS 7001), S. kudriavzevii (IFO 1802(T) and ZP 591), and S. mikatae (IFO 1815(T)), and describe their comparison to the genomes of S. cerevisiae and S. paradoxus. The new sequences, derived by assembling millions of short DNA sequence reads together with previously published Sanger shotgun reads, have vastly greater long-range continuity and far fewer gaps than the previously available genome sequences. New gene predictions defined a set of 5261 protein-coding orthologs across the five most commonly studied Saccharomyces yeasts, enabling a re-examination of the tempo and mode of yeast gene evolution and improved inferences of species-specific gains and losses. To facilitate experimental investigations, we generated genetically marked, stable haploid strains for all three of these Saccharomyces species. These nearly complete genome sequences and the collection of genetically marked strains provide a valuable toolset for comparative studies of gene function, metabolism, and evolution, and render Saccharomyces sensu stricto the most experimentally tractable model genus. These resources are freely available and accessible through www.SaccharomycesSensuStricto.org.
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