Flocculation phenomenon of Candida albicans by lysozyme |
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Authors: | T Kamaya |
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Institution: | 1. Dept. of Clinical Pathology Deer Lodge Hospital, D.V.A. Winnipeg, Manitoba, Canada
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Abstract: | Young colonies of Sabouraud's glucose agar room temperature culture ofCandida species from human isolation were suspended in distilled water. The suspension was mixed with a solution of lysozyme and incubated in a 37° C water bath. Within 3–5 hours, various species ofCandida cells showed flocculation to varying degrees which occurred at varying periods of onset. Among sevenCandida species,Candida albicans andCandida stellatoidea showed the strongest flocculation, earliest onset and most solution clarity than did any other species.Candida stellatoidea was indistinguishable fromCandida albicans in its degree of flocculation, and in the clarity of solution.Candida species may be arranged in the following order according to their decreasing positivity in flocculation: - Candida albicans
- Candida stellatoidea
- Candida tropicalis
- Candida krusei
- Candida pseudotropicalis
- Candida parapsilosis
- Candida guilliermondii
- Saccharomyces species may be placed afterCandida guilliermondii.
It seems possible to separate theCandida species into 3 groups by the rate of flocculation, and clarity of solution. Group I.Candida albicans andCandida stellatoidea. Group II.Candida tropicalis, C. krusei andCandida pseudotropicalis. Group III.Candida parapsilosis andCandida guilliermondii. Saccharomyces specimens (S. cerevisiae and others) were placed after group III. |
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