Propagation of Pneumocystis carinii in Vero cell culture

L. L. Pifer, D. Woods, W. T. Hughes

Research output: Contribution to journalArticlepeer-review

16 Scopus citations


Pneumocystis carinii derived from infected murine lung was found to be capable of limited growth in Vero African green monkey kidney cell cultures. The observed increase in the number of cyst forms was influenced by the ratio of cysts to host cells in the inocula, duration of passage, and formulation of the cell culture media. Maximum growth was achieved by inoculating 1.3 x 105 cysts per 75 cm2 flask containing about 2 x 107 Vero cells (cyst to cell ratio= 1:154) maintained on minimal essential medium supplemented with 2% fetal bovine serum. Under these conditions of culture, a 10.8 fold increase in cyst forms was observed during a 3-day passage interval, whereas ony a 3.6 fold increase occurred during a 7-day passage in cell culture utilizing cyst-to-cell ratios ranging from 1:20 to 1:2,778.

Original languageEnglish (US)
Pages (from-to)66-68
Number of pages3
JournalInfection and immunity
Issue number1
StatePublished - 1978
Externally publishedYes

ASJC Scopus subject areas

  • Parasitology
  • Microbiology
  • Immunology
  • Infectious Diseases


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