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Genetic analysis of ticks belonging to the Rhipicephalus sanguineus group in Latin America.
TLDR
The present results coupled with recent studies support the presence of at least two species under the taxon R. sanguineus in the New World, and show that even in the Old World, the taxo might be represented by more than one species. Expand
A new genotype of Trypanosoma cruzi associated with bats evidenced by phylogenetic analyses using SSU rDNA, cytochrome b and Histone H2B genes and genotyping based on ITS1 rDNA
TLDR
The findings indicate that the complexity of T. cruzi is larger than currently known, and confirmed bats as important reservoirs and potential source of T.'s cruzi infections to humans. Expand
Trypanosoma cruzi in Brazilian Amazonia: Lineages TCI and TCIIa in wild primates, Rhodnius spp. and in humans with Chagas disease associated with oral transmission.
TLDR
These data are important in understanding the complexity of the transmission cycles, genetic structure, and evolutionary history of T. cruzi populations circulating in Amazonia, and they contribute to both the unravelling of human infection routes and the pathological peculiarities of Chagas disease in this region. Expand
Comparative phylogeography of Trypanosoma cruzi TCIIc: new hosts, association with terrestrial ecotopes, and spatial clustering.
TLDR
Habit, mammalian host and vector association corroborated the link between TCIIc and terrestrial transmission cycles/ecological niches, and provided evidence that TCIIa from South America and TCIIA from North America correspond to independent lineages that circulate in distinct hosts and ecological niches. Expand
Coxiella symbiont in the tick Ornithodoros rostratus (Acari: Argasidae).
TLDR
Results suggest a very long period of coevolution between ticks and Coxiella symbionts and indicates that the original infection may have occurred in an ancestor common to the 2 main tick families, Argasidae and Ixodidae. Expand
Phylogeographical, ecological and biological patterns shown by nuclear (ssrRNA and gGAPDH) and mitochondrial (Cyt b) genes of trypanosomes of the subgenus Schizotrypanum parasitic in Brazilian bats.
TLDR
Bat trypanosomes were related by the evolutionary history, ecology and phylogeography of the bats, and clustered with T. dionisii from Europe despite being separated by some genetic distance. Expand
Survey of Ticks (Acari: Ixodidae) and Their Rickettsia in an Atlantic Rain Forest Reserve in the State of São Paulo, Brazil
TLDR
A. ovale is the vector of Rickettsia sp strain Atlantic rain forest in the state of São Paulo, a novel strain that has been shown to cause an eschar-associated spotted fever. Expand
Geographical distribution of Amblyomma cajennense (sensu lato) ticks (Parasitiformes: Ixodidae) in Brazil, with description of the nymph of A. cajennense (sensu stricto)
TLDR
Morphological examination of ticks in Brazil confirmed that A. cajennense (s.l.) is currently represented in Brazil by only one species, A. sculptum, while these species have distinct distribution areas in the country and are found in sympatry in some transition areas. Expand
Phylogenetic relationships of Leishmania species based on trypanosomatid barcode (SSU rDNA) and gGAPDH genes: Taxonomic revision of Leishmania (L.) infantum chagasi in South America.
TLDR
A phylogenetic analysis on trypanosomatid barcode using V7V8 SSU rRNA and gGAPDH gene sequences among a large number of Leishmania species and also several Brazilian visceral Leishmania infantum chagasi isolates obtained from dogs and humans suggested that Leishmannia hertigi and LeishMania equatoriensis should be taxonomically revised and included in the genus Endotrypanum. Expand
Ticks and rickettsiae from wildlife in Belize, Central America
TLDR
The present study provides unprecedented records of ticks harboring rickettsial agents in the New World, and highlights the possible occurrence of Rickettsia sp. Expand
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