Continuous in vitro Culture of Erythrocytic Stages of Babesia gibsoni and Virulence of the Cultivated Parasite.

  • SUNAGA Fujiko
    Department of Infectious Disease, School of Veterinary Medicine, Azabu University
  • NAMIKAWA Kazuhiko
    Department of Infectious Disease, School of Veterinary Medicine, Azabu University
  • KANNO Yasunori
    Department of Infectious Disease, School of Veterinary Medicine, Azabu University

Search this article

Description

Babesia gibsoni infected erythrocytes were collected from the blood of an experimentally infected dog. The parasite isolated could be continuously cultivated in vitro, with an average parasitemia of 18.2 ± 2.4% on day 3 of culture, in RPMI-1640 medium supplemented with 7.5% normal dog serum in a humidified atmosphere containing 5% CO2 at 37°C. The parasites in the original culture were morphologically similar to those found in the peripheral blood of dogs, however, on the 4th generation of subculture, the large oval parasites, erythrocytes including many parasites and extracellular parasites were frequently observed. The B. gibsoni isolate was injected to the dog to test its infectivity after maintained in vitro for 738 days at the 214th subculture. The cultivated parasite did not cause a severe clinical sign in the dog.

Journal

Citations (9)*help

See more

References(22)*help

See more

Details 詳細情報について

Report a problem

Back to top