Persistence of Rickettsia prowazekii in cotton rat macrophage cultures.

N. G. Kekcheeva, I. N. Kokorin, V. L. Popov, E. A. Chereshkova, N. S. Smirnova, O. A. Vovk, E. M. Shirokova

Research output: Contribution to journalArticlepeer-review

1 Scopus citations


Rickettsia prowazekii is able to multiply and persist for a long time in cotton rat macrophage culture (29-days observation period). Electron microscopic studies showed that the structure of Rickettsiae remained intact at different intervals post-inoculation (p.i.). In the course of persistence Rickettsiae revealed a reduced capacity to infect chick embryos and guinea pigs, however, the infectious agent could be isolated at all stages of persistence of cultured cells such as fibroblasts of the guinea pig embryo, macrophages of intact cotton rats.

Original languageEnglish (US)
Pages (from-to)103-110
Number of pages8
JournalActa virologica
Issue number1
StatePublished - Jan 1992
Externally publishedYes

ASJC Scopus subject areas

  • Virology
  • Infectious Diseases


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