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Molecular Genetics and Genomics
Article . 2005 . Peer-reviewed
License: Springer TDM
Data sources: Crossref
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Transcriptional profiling of Saccharomyces cerevisiae cells under adhesion-inducing conditions

Authors: Hans-Ulrich Mösch; Hans-Ulrich Mösch; Nils Blüthgen; Malte Kleinschmidt; Olav Grundmann; Olav Grundmann; Gerhard H. Braus;

Transcriptional profiling of Saccharomyces cerevisiae cells under adhesion-inducing conditions

Abstract

The ability to adhere to other cells is one of the most prominent determinants of fungal pathogenicity. Thus, adherence of fungi to human tissues or plastics triggers hospital-acquired fungal infections, which are an increasing clinical problem, especially in immunocompromised persons. In the model fungus Saccharomyces cerevisiae adhesion can be induced by starvation for amino acids, and depends on the transcriptional activator of the general amino acid control system, Gcn4p. However, not much is known about the transcriptional program that mediates adhesive growth under such conditions. In this study, we present a genome-wide transcriptional analysis of Sigma1278b yeast cells that were subjected to adhesion-inducing conditions imposed by amino acid starvation. Twenty-two novel genes were identified as inducible by amino acid starvation; 72 genes belonging to different functional groups, which were not previously known to be regulated by Gcn4p, require Gcn4p for full transcriptional induction under adhesion-inducing conditions. In addition, several genes were identified in Sigma1278b cells that were inducible by amino acid starvation in a Gcn4p-independent manner. Our data suggest that adhesion of yeast cells induced by amino acid starvation is regulated by a complex, Sigma1278b-specific transcriptional response.

Keywords

Membrane Glycoproteins, Saccharomyces cerevisiae Proteins, Dose-Response Relationship, Drug, Genotype, Temperature, Membrane Proteins, Nucleic Acid Hybridization, Saccharomyces cerevisiae, Blotting, Northern, Diploidy, DNA-Binding Proteins, Fungal Proteins, Phenotype, Gene Expression Regulation, Fungal, Databases, Genetic, Cell Adhesion, Genome, Fungal, Protein Kinases, Adaptor Proteins, Signal Transducing, Oligonucleotide Array Sequence Analysis

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    22
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citations
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
22
Average
Average
Top 10%
Green