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Nat Biotechnol. 2010 Jun;28(6):617-23. doi: 10.1038/nbt.1628. Epub 2010 May 16.

Analysis of a genome-wide set of gene deletions in the fission yeast Schizosaccharomyces pombe.

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  • 1Integrative Omics Research Centre, Korea Research Institute of Bioscience and Biotechnology, Yuseong, Daejeon, Korea.

Erratum in

  • Nat Biotechnol. 2010 Dec;28(12):1308.

Abstract

We report the construction and analysis of 4,836 heterozygous diploid deletion mutants covering 98.4% of the fission yeast genome providing a tool for studying eukaryotic biology. Comprehensive gene dispensability comparisons with budding yeast--the only other eukaryote for which a comprehensive knockout library exists--revealed that 83% of single-copy orthologs in the two yeasts had conserved dispensability. Gene dispensability differed for certain pathways between the two yeasts, including mitochondrial translation and cell cycle checkpoint control. We show that fission yeast has more essential genes than budding yeast and that essential genes are more likely than nonessential genes to be present in a single copy, to be broadly conserved and to contain introns. Growth fitness analyses determined sets of haploinsufficient and haploproficient genes for fission yeast, and comparisons with budding yeast identified specific ribosomal proteins and RNA polymerase subunits, which may act more generally to regulate eukaryotic cell growth.

PMID:
20473289
[PubMed - indexed for MEDLINE]
PMCID:
PMC3962850
Free PMC Article

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