Jan 1, 1975

Differentiation of newly isolated strains of Trypanosoma (Schizotrypanum) cruzi by agglutination and precipitation reactions

Acta Tropica
D Ketteridge

Abstract

Serological relationships between new isolates of Trypanosoma cruzi from a single locality have been examined by direct agglutination and immunodiffusion, and compared with established strains. The strains were divided into three groups according to the absorption properties of their precipitinogens. The three groups were defined by the same characteristics as those in which strains of wide-ranging provenance and long laboratory history have been placed by previous workers. A lack of correspondence between the antigenic constitutions of the groups as described here and as described previously was demonstrated using reference strains. Relatedness values were calculated from agglutination titres, which indicated a complex heterogeneity of antigens, and from which a scheme of relationships was drawn.

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Mentioned in this Paper

Schizotrypanum
Trypanosoma
Cross Reactions
Cell Differentiation Process
Antigens
Observation Method - Agglutination
Trypanosoma cruzi
Chagas Disease
Agglutination
Immunodiffusion Measurement

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