Adaptation of three Babesia divergens isolates to continuous culture in rat erythrocytes.

Original article

English

Musa NB, Abdel Gawad MA.

Department of Medical Parasitology, Faculty of Medicine, Al Fatah University, Tripoli, Libya.

J Egypt Soc Parasitol. 2004 Apr;34(1):333-44.

Abstract

Three Babesia divergens isolates have been cultured continuously for 6 months in rat erythrocytes using the candle jar technique. One isolate was already rat-adapted, the other two became adapted to rats through continuous culturing in rat erythrocytes. Babesia was cultured in rat erythrocytes in RPMI medium supplemented with 20% foetal calf serum. The highest parasitaemia was 35% and multi-parasitization of red blood cells was often observed. Cultures of B. divergens remained infective to splenectomized rats. Cultures with high parasitaemias contained a large number of extra-cellular merozoites, when separated from the red blood cells, they retained their infectivity.

Keywords: Babesia divergens ,Babesiosis

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