Evaluation of a gold-silver staining method for detection and identification of Candida species by light microscopy

J. C. Cailliez, A. Boudrissa, Donald MacKenzie, D. Poulain*

*Corresponding author for this work

    Research output: Contribution to journalArticlepeer-review

    12 Citations (Scopus)

    Abstract

    A gold-silver staining procedure was evaluated for detection of Candida species of medical importance. Probes were prepared by coupling lectins or antibodies (polyclonal and monoclonal) directly or indirectly to colloidal gold particles. Structures reacting to these probes were specifically revealed by light microscopy in cells present in infected kidney tissue sections or in isolated yeast cells on glass slides. Definition, contrast and sensitivity were of a high order. Preliminary data showed that it was possible, using discriminating dilutions, to identify cells from different species of the genus Candida, grown in vitro, according to their ability to stain with polyclonal monospecific antisera. The advantages of gold-silver staining compared with other staining procedures currently used in routine mycological laboratories are its sensitivity, good definition, ease and rapidity, and long conservation of reaction. It is suggested that the procedure has applications for research and identification of yeasts in clinical samples.

    Original languageEnglish
    Pages (from-to)886-891
    Number of pages6
    JournalEuropean Journal of Clinical Microbiology and Infectious Diseases
    Volume9
    Issue number12
    DOIs
    Publication statusPublished - Dec 1990

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