{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,9,23]],"date-time":"2025-09-23T13:52:50Z","timestamp":1758635570540},"reference-count":55,"publisher":"Cambridge University Press (CUP)","issue":"1","license":[{"start":{"date-parts":[[2009,4,6]],"date-time":"2009-04-06T00:00:00Z","timestamp":1238976000000},"content-version":"unspecified","delay-in-days":5939,"URL":"https:\/\/www.cambridge.org\/core\/terms"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Parasitology"],"published-print":{"date-parts":[[1993,1]]},"abstract":"<jats:title>SUMMARY<\/jats:title><jats:p>The characterization of four<jats:italic>Trypanosoma vivax<\/jats:italic>isolates from Colombia in South America showed that although minor phenotypic differences existed between them, these parasites are antigenically related and belong to a single serodeme. Characterization by isoenzyme assay, karyotyping and DNA probe analysis, showed the Colombian isolates to be more similar to the West African than to Kenyan<jats:italic>T. vivax<\/jats:italic>. There was, however, little serological cross-reactivity between South American and African groups of<jats:italic>T. vivax<\/jats:italic>. Although the<jats:italic>T. vivax<\/jats:italic>isolates from Colombia were pathogenic for dairy calves which showed the typical sign of progressive emaciation, these parasites failed to infect mice or tsetseand could not be cultivated as bloodstream forms<jats:italic>in vitro<\/jats:italic>.This study represents initial attempts to establish the phenotypic and serological diversity amongst<jats:italic>T. vivax<\/jats:italic>isolates from South America.<\/jats:p>","DOI":"10.1017\/s0031182000074771","type":"journal-article","created":{"date-parts":[[2009,6,5]],"date-time":"2009-06-05T14:14:26Z","timestamp":1244211266000},"page":"21-29","source":"Crossref","is-referenced-by-count":24,"title":["Comparative studies of<i>Trypanosoma (Duttonella) vivax<\/i>isolates from Colombia"],"prefix":"10.1017","volume":"106","author":[{"given":"M. F.","family":"Dirie","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"M. J.","family":"Otte","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"R.","family":"Thatthi","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"P. 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Essai de transmission m\u00e9canique de Trypanosoma vivax Ziemann (Kinetoplastidae: Trypanosomatidae) par le taon n\u00e9otropical Cryptotylus unicolor (Wiedmann) (Diptera: Tabanidae). 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