Systematic Genetic Analysis with Ordered Arrays of Yeast Deletion Mutants
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- 14 December 2001
- journal article
- other
- Published by American Association for the Advancement of Science (AAAS) in Science
- Vol. 294 (5550) , 2364-2368
- https://doi.org/10.1126/science.1065810
Abstract
In Saccharomyces cerevisiae , more than 80% of the ∼6200 predicted genes are nonessential, implying that the genome is buffered from the phenotypic consequences of genetic perturbation. To evaluate function, we developed a method for systematic construction of double mutants, termed synthetic genetic array (SGA) analysis, in which a query mutation is crossed to an array of ∼4700 deletion mutants. Inviable double-mutant meiotic progeny identify functional relationships between genes. SGA analysis of genes with roles in cytoskeletal organization ( BNI1 , ARP2 , ARC40 , BIM1 ), DNA synthesis and repair ( SGS1 , RAD27 ), or uncharacterized functions ( BBC1 , NBP2 ) generated a network of 291 interactions among 204 genes. Systematic application of this approach should produce a global map of gene function.Keywords
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