Results 91 to 100 of about 4,543 (198)

Serologic evidence of the exposure of small mammals to spotted-fever Rickettsia and Rickettsia bellii in Minas Gerais, Brazil

Journal of Infection in Developing Countries, 2016
Introduction: Sources of pathogenic Rickettsia in wildlife are largely unknown in Brazil. In this work, potential tick vectors and seroreactivity of small mammals against four spotted-fever group Rickettsia (R. rickettsii, R. parkeri, R.
Marcella Gonçalves Coelho, Vanessa do Nascimento Ramos, Jean Ezequiel Limongi, Elba Regina Sampaio de Lemos, Alexandro Guterres, Sócrates Fraga da Costa Neto, Tatiana Rozental, Cibele Rodrigues Bonvicino, Paulo Sérgio D'Andrea, Jonas Moraes-Filho, Marcelo Bahia Labruna, Matias Pablo Juan Szabó   +11 more
doaj   +1 more source

Seroprevalence of Rickettsia rickettsii and Rickettsia amblyommii in horses in three municipalities in the state of Pará, Brazil [PDF]

, 2013
Brazilian Spotted Fever (BSF) is caused by Rickettsia rickettsii and is considered to be the most important zoonotic tick-borne disease in Brazil. The disease seems to be reemerging and cases have been documented in several states, but very little is ...
Andersson, Emelie
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Experimental Infection of Amblyomma aureolatum Ticks with Rickettsia rickettsii

, 2011
We experimentally infected Amblyomma aureolatum ticks with the bacterium Rickettsia rickettsii, the etiologic agent of Rocky Mountain spotted fever (RMSF). These ticks are a vector for RMSF in Brazil. R.
Marcelo B. Labruna, PINTER, Adriano, LABRUNA, Marcelo B., Thiago F. Martins, Adriano Pinter, ALMEIDA, Aliny P., NIERI-BASTOS, Fernanda A., João F. Soares, MARTINS, Thiago F., MORAES-FILHO, Jonas, Aliny P. Almeida, OGRZEWALSKA, Maria, SOARES, Joao F., Fernanda A. Nieri-Bastos, Maria Ogrzewalska, Jonas Moraes-Filho, SOARES, Herbert S., Herbert S. Soares   +17 more
core   +1 more source

Primary isolation of spotted fever group rickettsiae from Amblyomma cooperi collected from Hydrochaeris hydrochaeris in Brazil

Memorias do Instituto Oswaldo Cruz, 1996
This paper reports the first isolation of a spotted fever group rickettsia from an Amblyomma cooperi ixodid collected from a capybara (Hydrochaeris hydrochaeris) in an endemic area of spotted fever in the County of Pedreira, State of São Paulo, Brazil ...
Elba Regina Sampaio de Lemos, Heloísa Helena Barbosa Melles, Sílvia Colombo, Raimundo Diogo Machado, José Rodrigues Coura, Maria Angélica Arpon Guimarães, Selênio R Sanseverino, Aline Moura   +7 more
doaj   +1 more source

Survey of vector-borne agents in feral cats and first report of Babesia gibsoni in cats on St Kitts, West Indies

BMC Veterinary Research, 2017
Background As there is little data on vector-borne diseases of cats in the Caribbean region and even around the world, we tested feral cats from St Kitts by PCR to detect infections with Babesia, Ehrlichia and spotted fever group Rickettsia (SFGR) and ...
Patrick John Kelly, Liza Köster, Jing Li, Jilei Zhang, Ke Huang, Gillian Carmichael Branford, Silvia Marchi, Michel Vandenplas, Chengming Wang   +8 more
doaj   +1 more source

A review of the genus Rickettsia in Central America

Research and Reports in Tropical Medicine, 2018
Sergio E Bermúdez C,1 Adriana Troyo2 1Department of Medical Entomology, Gorgas Memorial Institute for Health Research, Panamá; 2Vector Research Laboratory, Tropical Diseases Research Center, Faculty of Microbiology, University of Costa Rica,
Bermúdez C SE, Troyo A
doaj  

Antibodies against rickettsiae from spotted fever groups in horses from two mesoregions in the state of Santa Catarina, Brazil

Arquivo Brasileiro de Medicina Veterinária e Zootecnia, 2013
Bacteria of the Rickettsia genus are agents of Brazilian Spotted Fever (BSF), a zoonotic disease which is difficult to diagnose, evolves quickly and can result in death. Antibodies against Rickettsia spp.
A.P. Medeiros, A.B. Moura, A.P. Souza, V. Bellato, A.A. Sartor, A. Vieira-Neto, J. Moraes-Filho, M.B. Labruna   +7 more
doaj   +1 more source

Experimental infection of dogs with a Brazilian strain of Rickettsia rickettsii : clinical and laboratory findings

, 2009
The bacterium Rickettsia rickettsii is the etiological agent of an acute, severe disease called Rocky Mountain spotted fever in the United States or Brazilian spotted fever (BSF) in Brazil.
Labruna, Marcelo B, Pinter, Adriano, Saito, Tais B, Pacheco, Richard C, Faccini, João Luis H, Piranda, Eliane M, Hagiwara, Mitika K   +6 more
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Intranuclear growth of Rickettsia rickettsii [PDF]

Journal of Bacteriology, 1968
W, Burgdorfer, R L, Anacker, R G, Bird, D S, Bertram   +3 more
openaire   +2 more sources

J Med Entomol [PDF]

It has been reported that starving ticks do not transmit spotted fever group Rickettsia immediately upon attachment because pathogenic bacteria exist in a dormant, uninfectious state and require time for 'reactivation' before transmission to a ...

core