Extensive diversity of Trypanosoma cruzi discrete typing units circulating in Triatoma dimidiata from central Veracruz, Mexico

Infection, Genetics and Evolution : Journal of Molecular Epidemiology and Evolutionary Genetics in Infectious Diseases
Angel Ramos-LigonioEric Dumonteil

Abstract

Chagas disease (or American trypanosomiasis) is a parasitic disease of major public health importance, caused by Trypanosoma cruzi, which presents extensive genetic diversity. The parasite has been classified into six lineages or discrete typing units (TcI to TcVI) and we performed here the molecular characterization of the strains present in Triatoma dimidiata, the main vector in central Veracruz, Mexico. Unexpectedly, TcI only represented 9/33 strains identified (27%), and we reported for the first time the presence of TcII, TcIII, TcIV and TcV strains in Mexico, at a relatively high frequency (13-27% each). Our observations indicate a much greater diversity of T. cruzi DTUs than previously estimated in at least part of Mexico. These results have important implications for the understanding of the phylogeography of T. cruzi DTUs and the epidemiology of Chagas disease in North America.

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Jul 15, 2016·Journal of Parasitic Diseases : Official Organ of the Indian Society for Parasitology·Victor MonteónRuth Lopez
Jul 15, 2015·Expert Review of Anti-infective Therapy·Louisa A MessengerCaryn Bern
Apr 16, 2016·Infection, Genetics and Evolution : Journal of Molecular Epidemiology and Evolutionary Genetics in Infectious Diseases·Yim Yan WongEric Dumonteil
Sep 6, 2018·Vector Borne and Zoonotic Diseases·Fátima Ingrid López-VivasRoberto Montes de Oca-Jiménez
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Jun 8, 2021·International Journal of Infectious Diseases : IJID : Official Publication of the International Society for Infectious Diseases·Roy PolonioEric Dumonteil
Aug 28, 2021·Infection, Genetics and Evolution : Journal of Molecular Epidemiology and Evolutionary Genetics in Infectious Diseases·Claribel Murillo-SolanoEric Dumonteil
Oct 5, 2021·PLoS Neglected Tropical Diseases·Danya A DeanLaura-Isobel McCall

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