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Identification of cell surface determinants in Candida albicans reveals Tsa1p, a protein differentially localized in the cell

 
: Urban, C.; Sohn, K.; Lottspeich, F.; Brunner, H.; Rupp, S.

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FEBS Letters 544 (2003), No.1, pp.228-235
ISSN: 0014-5793
ISSN: 1873-3468
English
Journal Article
Fraunhofer IGB ()

Abstract
To identify cell surface proteins of Candida albicans, the predominant fungal pathogen in humans, we have established an approach using a membrane impermeable biotin derivative in combination with affinity purification. We were able to identify 29 different proteins under two distinct conditions. Among mannoproteins, heat shock proteins and glycolytic enzymes we found thiol-specific antioxidant-like protein 1 (Tsa1p) to be differentially localized depending on the conditions applied. Only in hyphally grown cells Tsa1p was localized to the cell surface whereas in blastospores no surface but mainly nuclear localization was found. This indicates that cell surface expression of at least some proteins is mediated by differential translocation.

: http://publica.fraunhofer.de/documents/N-37469.html