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    Adherence of clinical isolates of Saccharomyces cerevisiae to buccal epithelial cells

    Murphy, A.R. and Kavanagh, Kevin (2001) Adherence of clinical isolates of Saccharomyces cerevisiae to buccal epithelial cells. Medical Mycology, 39 (1). pp. 123-127. ISSN 1232-986X

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    A number of isolates of Saccharomyces cerevisiae have been associated with disease in immunocompromised individuals. Such isolates display a variety of characteristics that enable colonization and persistence in the host. The aim of the work presented here was to establish whether clinical isolates of S. cerevisiae were capable of adhering to epithelial tissue. Adherence to host tissue has been shown to be crucial to the virulence of the pathogenic yeast Candida albicans, and identification of this ability in S. cerevisiae might indicate a role for adherence in tissue colonization by this emerging pathogen. Clinical S. cerevisiae isolates were found to be capable of adhering to exfoliated buccal epithelial cells (BECs) but to a lesser degree than C. albicans. In contrast to the situation evident with C. albicans, the adherence of S. cerevisiae isolates to BECs was not influenced by the carbon source in which the yeast was grown. Treatment of S. cerevisiae with trypsin or proteinase K resulted in a significant reduction in adherence ability while adherence was unaffected by treatment of cells with mannosidase, thus indicating a possible role for proteins rather than mannoproteins in the adherence of S. cerevisiae to BECs.

    Item Type: Article
    Keywords: adherence; emerging pathogen; Saccharomyces; virulence factor;
    Academic Unit: Faculty of Science and Engineering > Biology
    Item ID: 7601
    Identification Number: Medical Mycology 2001, 39, 123–127
    Depositing User: Dr. Kevin Kavanagh
    Date Deposited: 07 Nov 2016 16:32
    Journal or Publication Title: Medical Mycology
    Publisher: ISHAM
    Refereed: Yes
      Use Licence: This item is available under a Creative Commons Attribution Non Commercial Share Alike Licence (CC BY-NC-SA). Details of this licence are available here

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