Efg1, a Morphogenetic Regulator in Candida albicans , Is a Sequence-Specific DNA Binding Protein

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Efg1, a morphogenetic regulator in Candida albicans, is a sequence-specific DNA binding protein.

Efg1 is essential for hyphal development in the human pathogen Candida albicans under most conditions. Efg1 is related to basic helix-loop-helix regulators, and therefore most workers presume that Efg1 is a transcription factor. Here we confirm that Efg1 is a DNA binding protein that can interact specifically with the E box.

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Chlamydospore formation in Candida albicans requires the Efg1p morphogenetic regulator.

Chlamydospore formation of the fungal pathogen Candida albicans was found to depend on the Efg1 protein, which regulates the yeast-hyphal transition. Isogenic mutants lacking EFG1 or encoding T206A and T206E variants did not differentiate chlamydospores, while cek1, cph1, or tpk2 mutations had no effect. Furthermore, filamentation of efg1 cph1 double mutants in microaerophilic conditions sugges...

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Efg1-mediated recruitment of NuA4 to promoters is required for hypha-specific Swi/Snf binding and activation in Candida albicans.

Efg1 is essential for hyphal development and virulence in the human pathogenic fungus Candida albicans. How Efg1 regulates gene expression is unknown. Here, we show that Efg1 interacts with components of the nucleosome acetyltransferase of H4 (NuA4) histone acetyltransferase (HAT) complex in both yeast and hyphal cells. Deleting YNG2, a subunit of the NuA4 HAT module, results in a significant d...

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The DNA binding protein Rfg1 is a repressor of filamentation in Candida albicans.

We have identified a repressor of hyphal growth in the pathogenic yeast Candida albicans. The gene was originally cloned in an attempt to characterize the homologue of the Saccharomyces cerevisiae Rox1, a repressor of hypoxic genes. Rox1 is an HMG-domain, DNA binding protein with a repression domain that recruits the Tup1/Ssn6 general repression complex to achieve repression. The C. albicans cl...

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Distinct class of DNA-binding domains is exemplified by a master regulator of phenotypic switching in Candida albicans.

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ژورنال

عنوان ژورنال: Journal of Bacteriology

سال: 2001

ISSN: 0021-9193,1098-5530

DOI: 10.1128/jb.183.13.4090-4093.2001