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Antigenic variation in Trypanosoma vivax: isolation of a serodeme

Published online by Cambridge University Press:  06 April 2009

J. D. Barry
Affiliation:
International Laboratory for Research on Animal Diseases, P.O. Box 30709, Nairobi, Kenya
H. Gathuo
Affiliation:
International Laboratory for Research on Animal Diseases, P.O. Box 30709, Nairobi, Kenya

Summary

Studies of antigenic variation in Trypanosoma vivax have been hindered by its low infectivity to laboratory hosts and difficulties in obtaining defined cloned populations. The recent isolation of mouse-infective T. vivax has partially overcome the first problem. We have developed a highly efficient cloning technique which has been applied to the isolation of a collection of 71 clones, representing 31 distinct variable antigen types, of mouse-infective T. vivax from Nigeria. This serodeme showed no cross-reaction with several T. brucei-group serodemes, but some cross-reaction with naturally occurring Kenyan T. vivax.

Type
Research Article
Copyright
Copyright © Cambridge University Press 1984

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