Abstract
Genetics aims to understand the relation between genotype and phenotype. However, because complete deletion of most yeast genes ( approximately 80%) has no obvious phenotypic consequence in rich medium, it is difficult to study their functions. To uncover phenotypes for this nonessential fraction of the genome, we performed 1144 chemical genomic assays on the yeast whole-genome heterozygous and homozygous deletion collections and quantified the growth fitness of each deletion strain in the presence of chemical or environmental stress conditions. We found that 97% of gene deletions exhibited a measurable growth phenotype, suggesting that nearly all genes are essential for optimal growth in at least one condition.
MeSH Terms
Culture Media
Drug Resistance, Multiple, Fungal
Gene Deletion
Genes, Essential
Genes, Fungal
Genes, MDR
Genome, Fungal
Genomics
Heterozygote
Homozygote
Metabolic Networks and Pathways/drug effects
Multigene Family
Phenotype
Saccharomyces cerevisiae/drug effects,genetics,growth & development,physiology
Saccharomyces cerevisiae Proteins/genetics,metabolism
Signal Transduction
Small Molecule Libraries/pharmacology
Chemicals
Culture Media
Saccharomyces cerevisiae Proteins
Small Molecule Libraries
Authors & Affiliations
14 authors, click to expand affiliations / ORCID
Hillenmeyer Maureen E
Stanford Genome Technology Center, Stanford University, Palo Alto, CA 94304, USA.
Fung Eula
Wildenhain Jan
Pierce Sarah E
Hoon Shawn
Lee William
Proctor Michael
St Onge Robert P
Tyers Mike
Koller Daphne
Altman Russ B
Davis Ronald W
Nislow Corey
Giaever Guri
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