Semisolid liver infusion tryptose supplemented with human urine allows growth and isolation of Trypanosoma cruzi and Trypanosoma rangeli clonal lineages

Semisolid liver infusion tryptose supplemented with human urine allows growth and isolation of Trypanosoma cruzi and Trypanosoma rangeli clonal lineages

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Abstract: INTRODUCTION This work shows that 3% (v/v) human urine (HU) in semisolid Liver Infusion Tryptose (SSL) medium favors the growth of Trypanosoma cruzi and thin mantel shelf T.rangeli.METHODS Parasites were plated as individual or mixed strains on SSL medium and on SSL medium with 3% human urine (SSL-HU).Isolate DNA was analyzed using polymerase chain reaction (PCR) and 2010 nissan frontier exhaust system pulsed-field gel electrophoresis (PFGE).RESULTS SSL-HU medium improved clone isolation.

PCR revealed that T.cruzi strains predominate on mixed-strain plates.PFGE confirmed that isolated parasites share the same molecular karyotype as parental cell lines.CONCLUSIONS SSL-HU medium constitutes a novel tool for obtaining T.cruzi and T.

rangeli clonal lineages.