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vol.85 número4Trypanosomatid protozoa in fruit of solanaceae in southeastern BrazilToxoplasma gondii: a rapid method for the isolation of pure tachyzoites: preliminary characterization of its genome índice de autoresíndice de assuntospesquisa de artigos
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Memórias do Instituto Oswaldo Cruz

versão impressa ISSN 0074-0276

Mem. Inst. Oswaldo Cruz v.85 n.4 Rio de Janeiro out./dez. 1990

http://dx.doi.org/10.1590/S0074-02761990000400006 

Freeze-fracture study of Trichomonas vaginalisBenchimolMarleneSouzaWanderley de Universidade Federal do Rio de Janeiro, Instituto de Biofísica Carlos Chagas Filho, Departamento de Parasitologia e Biofísica. laboratório de Ultraestrutura Celular e Microscopia Rio de Janeiro Brasil 121990854419428The freeze-fracture technique was used to analyse the organization of the plasma membrane, as well as membranes of cytoplasmic organelles, of the pathogenic protozoan Trichomonas vaginalis. Rosettes formed by 4 to 14 intramembranous particles were seen on the fracture faces of the membrane lining the anterior flagella as well as in fracture faces of the plasma membrane enclosing the anterior region of the protozoan and in cytoplasmic organelles. Special organization of the membrane particles were also seen in the region of association of the recurrent flagellum to the cell body.Trichomonas vaginalismembrane structurefreeze-fractureelectron microscopyFull text available only in PDF format.Texto completo disponível apenas em PDF.