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Integrating phenotypic and expression profiles to map arsenic response networks


ABSTRACT: The parent S. cerevisiae strain, BY4741, and specific gene deletions of the parent S.cerevisiae strain BY4741 were treated with 100uM NaAsO2 (AsIII) for 2h and compared to the untreated counterpart (yap1Î? vs. yap1Î? 2h 100uM AsIII, cad1Î? vs. cad1Î? 2h 100uMAsIII, rpn4Î? vs. rpn4Î? 2h 100uM AsIII, arr1Î? vs. arr1Î? 2h 100uM AsIII, parent vs. parent with 2h 100uM AsIII). The untreated specific deletion strain was also compared to the untreated parent strain in order to identify differential expression of genes due to the knockout alone. Keywords: other

ORGANISM(S): Saccharomyces cerevisiae

SUBMITTER: Trey Ideker 

PROVIDER: E-GEOD-1798 | biostudies-arrayexpress |

REPOSITORIES: biostudies-arrayexpress

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Integrating phenotypic and expression profiles to map arsenic-response networks.

Haugen Astrid C AC   Kelley Ryan R   Collins Jennifer B JB   Tucker Charles J CJ   Deng Changchun C   Afshari Cynthia A CA   Brown J Martin JM   Ideker Trey T   Van Houten Bennett B  

Genome biology 20041129 12


<h4>Background</h4>Arsenic is a nonmutagenic carcinogen affecting millions of people. The cellular impact of this metalloid in Saccharomyces cerevisiae was determined by profiling global gene expression and sensitivity phenotypes. These data were then mapped to a metabolic network composed of all known biochemical reactions in yeast, as well as the yeast network of 20,985 protein-protein/protein-DNA interactions.<h4>Results</h4>While the expression data unveiled no significant nodes in the metab  ...[more]

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