Rsc14-controlled expression ofMNN6, MNN4andMNN1regulates mannosylphosphorylation ofSaccharomyces cerevisiaecell wall mannoproteins

Rsc14-controlled expression of MNN6, MNN4 and MNN1 regulates mannosylphosphorylation of Saccharomyces cerevisiae cell wall mannoproteins.

ybl006cDelta was selected using an Alcian-blue-based screen aimed to identify nonessential genes involved in the regulation of mannosylphosphorylation. When cells of this deletant were mixed with the cationic dye Alcian blue in a typical assay, they remained white, indicating a low number of mannosylphosphate groups on the cell surface. ybl006cDelta cells did not show any defect in growth rate ...

Wall formation by Candida albicans yeast cells: synthesis, secretion and incorporation of two types of mannoproteins.

The mannoprotein components solubilized from the walls of Candida albicans blastoconidia following degradation of the glucan network with beta-glucanase (Zymolyase) have higher molecular masses than their probable precursors present in the supernatant of regenerating protoplasts. It therefore appears that the mannoproteins are released from the walls as part of supramolecular complexes. Immunol...

Serologic response to cell wall mannoproteins and proteins of Candida albicans.

The cell wall of Candida albicans not only is the structure in which many biological functions essential for the fungal cells reside but also is a significant source of candidal antigens. The major cell wall components that elicit a response from the host immune system are proteins and glycoproteins, the latter being predominantly mannoproteins. Both the carbohydrate and protein moieties are ab...

Identification of three mannoproteins in the cell wall of Saccharomyces cerevisiae.

Three glucanase-extractable cell wall proteins from Saccharomyces cerevisiae were purified, and their N-terminal amino acid sequences were determined. With this information, we were able to assign gene products to three known open reading frames (ORFs). The N-terminal sequence of a 55-kDa mannoprotein corresponded with the product of ORF YKL096w, which we named CWP1 (cell wall protein 1). A 80-...

Candida albicans and Proteins of Serologic Response to Cell Wall Mannoproteins