The sylvatic cycle of Trypanosoma cruzi: a still unsolved puzzle.
نویسندگان
چکیده
منابع مشابه
Retrospective distribution of Trypanosoma cruzi I genotypes in Colombia
Trypanosoma cruzi is the aetiological agent of Chagas disease, which affects approximately eight million people in the Americas. This parasite exhibits genetic variability, with at least six discrete typing units broadly distributed in the American continent. T. cruzi I (TcI) shows remarkable genetic diversity; a genotype linked to human infections and a domestic cycle of transmission have rece...
متن کاملNew scenarios of Trypanosoma cruzi transmission in the Orinoco region of Colombia
Rhodnius prolixus, a blood-sucking triatomine with domiciliary anthropophilic habits, is the main vector of Chagas disease. The current paradigm of Trypanosoma cruzi transmission in Columbia includes a sylvatic and domiciliary cycle co-existing with domestic and sylvatic populations of reservoirs. The aim of this study is to evaluate the population densities and relative abundance of triatomine...
متن کاملThe complexity of the sylvatic cycle of Trypanosoma cruzi in Rio de Janeiro state (Brazil) revealed by the non-transcribed spacer of the mini-exon gene.
American trypanosamiasis occurs in nature as a sylvatic cycle, where Trypanosoma cruzi interacts with wild triatomines and mammalian reservoirs, such as marsupials, rodents, armadillos and other animals. Due to difficulties in trying to isolate T. cruzi stocks from the sylvatic cycle, very few studies have been performed in order to understand the parasite infection in natural environments. Tra...
متن کاملTrypanosoma cruzi Clone Dm28c Draft Genome Sequence
Trypanosoma cruzi affects millions of people worldwide. Clinical variability of Chagas disease can be due to the genetic variability of this parasite, requiring further genome studies. Here we report the genome sequence of the T. cruzi Dm28c clone (TcI), a strain related to the sylvatic cycle of the parasite.
متن کاملSylvatic foci of the Chagas disease vector Triatoma infestans in Chile: description of a new focus and challenges for control programs.
Triatoma infestans is one of the main domestic vectors of Chagas disease. Reports of wild habitat occurrences have recently increased. In Chile, after a successful elimination campaign of T. infestans domestic infestation, a sylvatic focus was reported in bromeliads in the metropolitan region. Here, we report a new focus of sylvatic T. infestans inhabiting rock piles in the Valparaíso region in...
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عنوان ژورنال:
- Memorias do Instituto Oswaldo Cruz
دوره 94 Suppl 1 شماره
صفحات -
تاریخ انتشار 1999