Abstract

Genome-wide transcript profiling was used to monitor signal transduction during yeast pheromone response. Genetic manipulations allowed analysis of changes in gene expression underlying pheromone signaling, cell cycle control, and polarized morphogenesis. A two-dimensional hierarchical clustered matrix, covering 383 of the most highly regulated genes, was constructed from 46 diverse experimental conditions. Diagnostic subsets of coexpressed genes reflected signaling activity, cross talk, and overlap of multiple mitogen-activated protein kinase (MAPK) pathways. Analysis of the profiles specified by two different MAPKs—Fus3p and Kss1p—revealed functional overlap of the filamentous growth and mating responses. Global transcript analysis reflects biological responses associated with the activation and perturbation of signal transduction pathways.

Keywords

Signal transductionBiologyGeneMating of yeastMAPK/ERK pathwayCell biologyGene expressionGeneticsGene expression profilingCrosstalkRegulation of gene expressionSaccharomyces cerevisiaeComputational biology

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Publication Info

Year
2000
Type
article
Volume
287
Issue
5454
Pages
873-880
Citations
864
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Christopher J. Roberts, Bryce Nelson, Matthew J. Marton et al. (2000). Signaling and Circuitry of Multiple MAPK Pathways Revealed by a Matrix of Global Gene Expression Profiles. Science , 287 (5454) , 873-880. https://doi.org/10.1126/science.287.5454.873

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DOI
10.1126/science.287.5454.873