Results 21 to 30 of about 6,286 (135)

EXPOSIÇÃO A RICKETTSIA BELLII REDUZ A CAPACIDADE AMPLIFICADORA DE RICKETTSIA RICKETTSII PARA CARRAPATOS AMBLYOMMA SCULPTUM EM COBAIAS

Brazilian Journal of Infectious Diseases, 2023
Introdução e objetivo: No estado de São Paulo as capivaras são as principais hospedeiras amplificadoras da Rickettsia rickettsii, agente etiológico da febre maculosa brasileira (FMB), para o carrapato vetor Amblyomma sculptum.
Lina Binder
exaly   +3 more sources

Closing the Gaps to Understand the Tick Transmission of Anaplasma marginale among Giant Anteaters (Myrmecophaga tridactyla) in Argentina [PDF]

Pathogens, 2020
Anaplasma marginale, a well-known cattle pathogen of tropical and subtropical world regions, has been previously molecularly characterized in a giant anteater (Myrmecophaga tridactyla) from Corrientes, Argentina.
Eliana Carolina Guillemi, Mélody Imbert, Sofia de la Fournière, María Marcela Orozco, Jorge Peña Martinez, Ana Carolina Rosas, Valeria Noely Montenegro, Marisa Diana Farber   +7 more
doaj   +2 more sources

Amblyomma cajennense e Amblyomma dubitatum em capivaras atropeladas em rodovias de Santa Catarina, Brasil [PDF]

, 2013
Hydrochoerus hydrochaeris serves as a host for a number of tick species that play an important role as vectors of emergent zoonotic diseases. This is the first report of the occurrence of Amblyomma cajennense adults and Amblyomma dubitatum nymphs ...
Carneiro Junior, Jary André, França, Marciel, Quadros, Rosiléia Marinho de, Marques, Sandra Marcia Tietz, Veronezi, Wilian R., Lavina, Márcia Sangaletti   +5 more
core   +4 more sources

Molecular Detection of Rickettsia spp. in Free Living Ticks in Military Instruction Areas in Southeast Brazil [PDF]

Brazilian Archives of Biology and Technology, 2023
The present study aimed for the molecular detection of Rickettsia spp. in ticks collected from military training areas in southeastern Brazil. Previously, a total of 9,374 free-living ticks in 66 military instruction areas of five Military Organizations (
Rubens Fabiano Soares Prado, Izabela Mesquita Araújo, Gilliard Ferreira, Bruna de Azevedo Baêta, Aline Nascimento Furtado de Freitas, Alexandro Guterres, Adivaldo Henrique da Fonseca, Matheus Dias Cordeiro   +7 more
doaj   +1 more source

Capybara (Hydrochoerus hydrochaeris) exposure to Rickettsia in the Federal District of Brazil, a non-endemic area for Brazilian spotted fever

Revista Brasileira de Parasitologia Veterinária, 2021
In this study, whole blood samples and ticks were collected from 57 capybaras in recreational areas in the Federal District, Brazil, aiming to investigate the presence of Rickettsia spp.
Ana Paula Nunes de Quadros, George Magno Sousa do Rêgo, Thamiris Figueiredo da Silva, Andréa de Moraes Carvalho, Thiago Fernandes Martins, Lina de Campos Binder, Márcio Botelho de Castro, Paulo Sérgio Ribeiro de Mattos, Marcelo Bahia Labruna, Giane Regina Paludo   +9 more
doaj   +1 more source

Amblyomma dubitatum Neumann 1899

, 2023
<p> <i>34.</i> <i>Amblyomma dubitatum</i> Neumann, 1899.</p> <p> Neotropical: 1) Argentina, 2) Bolivia, 3) Brazil, 4) Paraguay, 5) Uruguay (Nava <i>et al.</i> 2010 a, Martins <i>et al.</i ...
Nava, Santiago, Robbins, Richard G., Guglielmone, Alberto A.   +2 more
core   +1 more source

Rickettsia species infecting Amblyomma ticks from an area endemic for Brazilian spotted fever in Brazil Rickettsia infectando carrapatos Amblyomma de uma área endêmica para febre maculosa Brasileira no Brasil

Revista Brasileira de Parasitologia Veterinária, 2011
This study reports rickettsial infection in Amblyomma cajennense and Amblyomma dubitatum ticks collected in an area of the state of Minas Gerais, Brazil, where Brazilian spotted fever is considered endemic. For this purpose, 400 adults of A.
Elizângela Guedes, Romário Cerqueira Leite, Richard Campos Pacheco, Iara Silveira, Marcelo Bahia Labruna   +4 more
doaj   +1 more source

Amblyomma dubitatum

, 2020
34. Amblyomma dubitatum Neumann, 1899. A Neotropical species, all of whose parasitic stages are usually found on Rodentia: Caviidae, but they have also been recovered from Mammalia (several orders); immature stages have been collected from Rheiformes ...
Robbins, Richard G., Guglielmone, Alberto A., Petney, Trevor N.   +2 more
core   +1 more source

Tick fauna of giant anteaters (Myrmecophaga tridactyla) and southern tamanduas (Tamandua tetradactyla) in the Metropolitan Region of Sorocaba, São Paulo, Brazil [PDF]

Pesquisa Veterinária Brasileira
: The systematic collection of parasites from wild animals provides valuable information, highlighting the relationship between hosts and parasites. The study of ixodofauna in wild animals supports research on the transmission of pathogens that cause ...
Rodrigo H.F. Teixeira, André Luiz M. Costa, Ronnie V.M. Ferreira, Marinete Amorim, Gilberto S. Gazeta, Karla Bitencourth, Liege Siqueira, Emanuelle L. Christan, Vitória Regina P. Roque, Marcelo B. Labruna, Thiago F. Martins   +10 more
doaj   +2 more sources

Genotypic Characterization of Rickettsia bellii Reveals Distinct Lineages in the United States and South America

BioMed Research International, Volume 2018, Issue 1, 2018., 2018
The bacterium Rickettsia bellii belongs to a basal group of rickettsiae that diverged prior to the pathogenic spotted fever group and typhus group Rickettsia species. Despite a diverse representation of R. bellii across more than 25 species of hard and soft ticks in the American continent, phylogeographical relationships among strains of this basal ...
Felipe S. Krawczak, Marcelo B. Labruna, Joy A. Hecht, Christopher D. Paddock, Sandor E. Karpathy, Stephan Koblmüller   +5 more
wiley   +1 more source