Results 1 to 10 of about 2,691 (217)

Bacteria associated with Amblyomma cajennense tick eggs. [PDF]

Genet Mol Biol, 2015
Ticks represent a large group of pathogen vectors that blood feed on a diversity of hosts. In the Americas, the Ixodidae ticks Amblyomma cajennense are responsible for severe impact on livestock and public health. In the present work, we present the isolation and molecular identification of a group of culturable bacteria associated with A.
Machado-Ferreira E, Vizzoni VF, Piesman J, Gazeta GS, Soares CA.   +4 more
europepmc   +9 more sources

Pesquisa de Rickettsia spp em carrapatos Amblyomma cajennense e Amblyomma dubitatum no Estado de São Paulo Survey of Rickettsia spp in the ticks Amblyomma cajennense and Amblyomma dubitatum in the State of São Paulo [PDF]

Revista da Sociedade Brasileira de Medicina Tropical, 2009
Foi pesquisada a presença de riquétsias em 3.545 carrapatos Amblyomma cajennense e 2.666 Amblyomma dubitatum. Através do teste de hemolinfa, reação em cadeia pela polimerase e isolamento de rickettsia em cultivo celular, todos os Amblyomma cajennense ...
Richard Campos Pacheco, Maurício Cláudio Horta, Adriano Pinter, Jonas Moraes-Filho, Thiago Fernandes Martins, Marcello Schiavo Nardi, Savina Silvana Aparecida Lacerra de Souza, Celso Eduardo de Souza, Matias Pablo Juan Szabó, Leonardo José Richtzenhain, Marcelo Bahia Labruna   +10 more
doaj   +8 more sources

Amblyomma cajennense is an intrastadial biological vector of Theileria equi. [PDF]

Parasit Vectors, 2013
BACKGROUND: The apicomplexan hemoprotozoan parasite Theileria equi is one of the etiologic agents causing equine piroplasmosis, a disease of equines that is endemic throughout large parts of the world. Before 2009 the United States had been considered to
Scoles GA, Ueti MW.
europepmc   +6 more sources

Wild birds as hosts of Amblyomma cajennense (Fabricius, 1787) (Acari: Ixodidae) [PDF]

Memorias do Instituto Oswaldo Cruz, 1999
We evaluated the prevalence, mean intensity and relative density of ticks in 467 wild birds of 67 species (12 families) from forest and cerrado habitats at two protected areas of Minas Gerais, between March and September 1997.
Rosario Rojas, Miguel Ângelo Marini, Maria Teresa Zanatta Coutinho   +2 more
doaj   +8 more sources

The sialotranscriptome of Amblyomma triste, Amblyomma parvum and Amblyomma cajennense ticks, uncovered by 454-based RNA-seq [PDF]

Parasites & Vectors, 2014
Background Tick salivary constituents antagonize inflammatory, immune and hemostatic host responses, favoring tick blood feeding and the establishment of tick-borne pathogens in hosts during hematophagy. Amblyomma triste, A. cajennense and A.
Gustavo Rocha Garcia, Luiz Gustavo Gardinassi, José Marcos Ribeiro, Elen Anatriello, Beatriz Rossetti Ferreira, Higo Nasser Santanna Moreira, Cláudio Mafra, Maria Marlene Martins, Matias Pablo Juan Szabó, Isabel Kinney Ferreira de Miranda-Santos, Sandra Regina Maruyama   +10 more
doaj   +5 more sources

Lack of parthenogenesis by Amblyomma cajennense (Acari: Ixodidae) [PDF]

Memorias do Instituto Oswaldo Cruz, 2002
Some reproductive parameters of adult stages of Amblyomma cajennense ticks were studied. The capacity of virgin females to reproduce by parthenogenesis was evaluated, during an experimental infestation, in absence of males, on a horse (Equus cabalus ...
Carolina MV de Freitas, Romário C Leite, Cristina ML Lopes, Daniel S Rodrigues, Gustavo Fontes Paz, Paulo R de Oliveira   +5 more
doaj   +7 more sources

Antiviral effect of the egg wax of Amblyomma cajennense (Acari: Ixodidae). [PDF]

Cytotechnology, 2012
The control of viral infections, especially those caused by influenza viruses, is of great interest in Public Health. Bio prospection has shown the presence of active principles in the hemolymph of arthropods, and in the salivary gland of ticks, and some of these are of interest for the development of new pharmacological drugs.
de Lima-Netto S, Pinheiro A, Nakano E, Zucatelli Mendonça RM, Barros-Battesti DM, Mendonça RZ.   +5 more
europepmc   +6 more sources

Equine Piroplasmosis Associated with Amblyomma cajennense Ticks, Texas, USA [PDF]

Emerging Infectious Diseases, 2011
We report an outbreak of equine piroplasmosis in southern Texas, USA, in 2009. Infection prevalence reached 100% in some areas (292 infected horses).
Glen A. Scoles, H. Joel Hutcheson, Jack L. Schlater, Steven G. Hennager, Angela M. Pelzel, Don P. Knowles   +5 more
doaj   +5 more sources

Amblyomma cajennense (Fabricius, 1787) (Acari: Ixodidae), the Cayenne tick: phylogeography and evidence for allopatric speciation. [PDF]

BMC Evol Biol, 2013
Background: Amblyomma cajennense F. is one of the best known and studied ticks in the New World because of its very wide distribution, its economical importance as pest of domestic ungulates, and its association with a variety of animal and human ...
Beati L, Nava S, Burkman EJ, Barros-Battesti DM, Labruna MB, Guglielmone AA, Cáceres AG, Guzmán-Cornejo CM, León R, Durden LA, Faccini JL.   +10 more
europepmc   +7 more sources

Detection of Rickettsia rickettsii in the tick Amblyomma cajennense in a new Brazilian spotted fever-endemic area in the state of Minas Gerais [PDF]

Memorias Do Instituto Oswaldo Cruz, 2005
The present study evaluated rickettsial infection in Amblyomma spp. ticks collected in a farm in Coronel Pacheco, a Brazilian spotted fever (BSF) endemic area. A total of 78 A. cajennense and 78 A.
Richard De Campos Pacheco, David H Walker, Marcelo B Labruna   +2 more
exaly   +4 more sources