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  • Title: Further isoenzymatic studies on Trypanosoma cruzi stocks from Brazil, Colombia and Chile.
    Author: Ebert F.
    Journal: Trop Med Parasitol; 1985 Jun; 36(2):85-7. PubMed ID: 3161171.
    Abstract:
    Eighteen stocks of T. cruzi from Brazil, Colombia and Chile were compared by five isoenzyme patterns of isoelectrofocusing with the three principal Brazilian zymodemes (Z1, Z2, Z3). The two main Groups I and II found confirmed the zymodemes 1 and 2. However, in some cases new isoenzyme types of the enzymes GPI and PGM in the Groups I and II have been seen. Stocks typed as Z3 did not show homogeneous enzyme patterns. A clear differentiation from the Z1 and Z2 or an association with a third group was not possible. The results of Chilean stocks showed the predominance of the Group II in the domestic cycle of T. cruzi, whereas the results of the Colombian stocks typed as Group I pointed out that in countries north of the Amazon basin only Group I of T. cruzi exists.
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