Results 131 to 140 of about 847 (159)

Coxiella Symbionts in the Cayenne Tick Amblyomma cajennense

Microbial Ecology, 2011
Members of the Coxiella genus are intracellular bacteria that can infect a variety of animals including humans. A symbiotic Coxiella was recently described in Amblyomma americanum ticks in the Northern Hemisphere with no further investigations of other Amblyomma species in other geographic regions.
Erik, Machado-Ferreira, Gabrielle, Dietrich, Andrias, Hojgaard, Michael, Levin, Joseph, Piesman, Nordin S, Zeidner, Carlos A G, Soares   +6 more
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Amblyomma sculptum (Amblyomma cajennense complex) tick population maintained solely by domestic pigs

Veterinary Parasitology: Regional Studies and Reports, 2016
In Brazil Amblyomma sculptum from Amblyomma cajennense complex is a tick species with a rather broad distribution encompassing the Cerrado Biome and devastated areas of the Atlantic rainforest. This species is also the major vector to humans of Rickettsia rickettsii, agent of the Brazilian spotted fever.
Carolina Fonseca Osava, Vanessa do Nascimento Ramos, Alessandra Castro Rodrigues, Hugo Vilela dos Reis Neto, Maria Marlene Martins, Jamile Oliveira Pascoal, Jonny Yokosawa, Matias Pablo Juan Szabó   +7 more
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Gynandromorphism in Amblyomma cajennense and Rhipicephalus sanguineus (Acari: Ixodidae)

The Journal of Parasitology, 2002
During a survey of ticks on horses in November 2000, at the University of São Paulo farm in Pirassununga county, São Paulo, Brazil, 1 gynandromorph of Amblyomma cajennense was collected from a naturally infested horse. In another survey on dogs in March 2001, in the urban area of Monte Negro, Rondônia, Brazil, a gynandromorph of Rhipicephalus ...
M B, Labruna, A F, Ribeiro, M V, Cruz, L M A, Camargo, E P, Camargo   +4 more
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Amblyomma cajennense

2012
Published as part of Basu, A. K., Basu, M. & Adesiyun, A. A., 2012, A Review On Ticks (Acari: Ixodoidea: Ixodidae, Argasidae), Associated Pathogens And Diseases Of Trinidad And Tobago, pp.
Basu, A. K., Basu, M., Adesiyun, A. A.
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Amblyomma cajennense ticks induce immediate hypersensitivity in horses and donkeys

Experimental & Applied Acarology, 2004
Since host immune reaction to ticks interferes with tick-borne pathogen transmission, it is important to recognize naturally occurring tick-host immune relationships to better understand the epidemiology of such infectious diseases. Amblyomma cajennense is an important tick-borne disease vector in the Neotropical region and horses maintain it in ...
Pablo Juan Szabó, Matias, Carrão Castagnolli, Karina, Álvaro Santana, Danilo, Botelho de Castro, Márcio, Aurélio Romano, Marco   +4 more
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Acquired resistance of horses to Amblyomma cajennense (Fabricius, 1787) ticks

Veterinary Parasitology, 2003
Acquired immunity of horses to larvae, nymphs and adults of the Amblyomma cajennense tick was evaluated through three consecutive experimental infestations of tick-bite naïve hosts. Data from these infestations were compared to those from field-sensitized horses and donkeys.
Castagnolli, K. C., de Figueiredo, L. B., Santana, D. A., de Castro, M. B., Romano, M. A., Szabo, MPJ   +5 more
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Survival and Water-Balance Characteristics of Unfed Adult Amblyomma cajennense (Acari: Ixodidae)

Journal of Medical Entomology, 1996
Off-host survival, water balance, and cold tolerance of unfed adult, Cayenne ticks, Amblyomma cajennense (F.), were examined to evaluate species characteristics important to zoogeography and off-host ecology. Survivorship decreased when males and females were subjected to progressively drier constant environmental conditions.
O F, Strey, P D, Teel, M T, Longnecker, G R, Needham   +3 more
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Cross-mating experiments with geographically different populations of Amblyomma cajennense (Acari: Ixodidae)

Experimental and Applied Acarology, 2011
The present study evaluated the reproductive compatibility of the crosses between adult ticks of the following three geographically different populations of Amblyomma cajennense: State of São Paulo (SP), southeastern Brazil; State of Rondônia (RO), northern Brazil; and Colombia (CO). In addition, crosses between A.
Marcelo B, Labruna, João F, Soares, Thiago F, Martins, Herbert S, Soares, Ricardo R, Cabrera   +4 more
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Repellent activity of plant-derived compounds against Amblyomma cajennense (Acari: Ixodidae) nymphs

Veterinary Parasitology, 2010
Repellence responses of Amblyomma cajennense nymphs to callicarpenal, intermedeol, Hyptis suaveolens essential oil, extract of Melia azedarach, Cymbopogon nardus, Spiranthera odoratissima, Chenopodium ambrosioides, Ageratum conyzoides, Mentha pulegium, Ruta graveolens, and Memora nodosa were studied. Among these the extract of C.
Sara Fernandes, Soares, Lígia Miranda Ferreira, Borges, Raquel, de Sousa Braga, Lorena Lopes, Ferreira, Carla Cristina Braz, Louly, Leonice Manrique Faustino, Tresvenzol, José Realino, de Paula, Pedro Henrique, Ferri   +7 more
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Seasonal dynamics of the Cayenne tick, Amblyomma cajennense on horses in Brazil

Medical and Veterinary Entomology, 2003
Abstract.  The population dynamics of all stages of the Cayenne tick, Amblyomma cajennense (Fabricius) (Acari: Ixodidae) on horses was evaluated over a period of 2 years in the district of Pedro Leopoldo, State of Minas Gerais, Brazil.
P R, Oliveira, L M F, Borges, R C, Leite, C M V, Freitas   +3 more
openaire   +2 more sources