Adhesins of Yeasts: Protein Structure and Interactions
2018
Ronnie G. Willaert
The ability of yeast cells to adhere to other cells or substrates is crucial for many yeasts. The budding yeast <i>Saccharomyces cerevisiae</i> can switch from a unicellular lifestyle to a multicellular one. A crucial step in multicellular lifestyle adaptation is self-recognition, self-interaction, and adhesion to abiotic surfaces. Infectious yeast diseases such as candidiasis are initiated by the adhesion of the yeast cells to host cells. Adhesion is accomplished by adhesin proteins that are attached to the cell wall and stick out to interact with other cells or substrates. Protein structures give detailed insights into the molecular mechanism of adhesin-ligand interaction. Currently, only the structures of a very limited number of N-terminal adhesion domains of adhesins have been solved. Therefore, this review focuses on these adhesin protein families. The protein architectures, protein structures, and ligand interactions of the flocculation protein family of <i>S. cerevisiae</i>; the epithelial adhesion family of <i>C. glabrata</i>; and the agglutinin-like sequence protein family of <i>C. albicans</i> are reviewed and discussed.
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