Phagocytosis of medically important yeasts by polymorphonuclear leukocytes

C. A. Lyman, T. J. Walsh

Research output: Contribution to journalComment/debatepeer-review

25 Scopus citations


Phagocytosis is a critical function of polymorphonuclear leukocytes in the control of mycotic infections. By using a modified fluorescence quenching assay to distinguish between attached and ingested organisms, we determined the percent phagocytosis of several medically important yeasts. The percentages of phagocytosis of serum-opsonized Candida albicans, Candida tropicalis, Candida parapsilosis, and Torulopsis glabrata were all comparable at 37°C. By comparison, there was significantly less phagocytosis of Cryptococcus neoformans and Trichosporon beigelii isolates (P < 0.001). Thus, phagocytosis of C. albicans by polymorphonuclear leukocytes is comparable to that of species other than C. albicans but is significantly greater than that of the basidiomycetous yeasts T. beigelii and C. neoformans.

Original languageEnglish (US)
Pages (from-to)1489-1493
Number of pages5
JournalInfection and immunity
Issue number4
StatePublished - 1994
Externally publishedYes

ASJC Scopus subject areas

  • Parasitology
  • Microbiology
  • Immunology
  • Infectious Diseases


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