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Trypanosoma cruzi Research

We are also interested in the evolution of human parasites, with a focus in Trypanosoma cruzi, the agent of Chagas’ disease.


We are interested in understanding the evolutionary history of T. cruzi. This parasite mainly reproduces clonally, but evidence based on data from nuclear mitochondrial genes have shown that hybridization events have occurred during the recent evolutionary history of the parasite. We are interested in trying to determine the history of hybridization of T. cruzi and to understand how hybridization has affected its genome structure. We have collected nucleotide sequences from a large number of nuclear genes and we are trying to measure the rate at which gene exchange has occurred during the evolution of the parasite and among which lineages it has occurred. Futhermore, we are mining the recently sequenced genomes of T. cruzi and two other kinetoplastid parasites (T. brucei, Leishmania major) to identify fastly evolving genes.

Useful Trypanosoma cruzi links

GeneDB at the Sanger Institute
TIGR Trypanosoma cruzi project
T. cruzi research at the Oswaldo Cruz Institute



All contents copyright © 2005 Carlos Machado. All rights reserved.

Picture of Trypanosoma brucei copyright © of Eye of Science / Photo Researchers, Inc.