Results 1 to 10 of about 9,646 (241)

First report of Amblyomma sculptum (Amblyomma cajennense complex) in a Brazilian state classified as a silent area for human rickettsiosis. [PDF]

Vet World, 2023
Background and Aim: Studies on ticks of public health concern in equine husbandry are scarce in the Northeastern region of Brazil. This study aimed to investigate the presence of ticks on horses in the State of Alagoas, which is classified as a silent ...
da Gama BC, Martins TF, Labruna MB, Vieira RFDC, de Almeida JC.   +4 more
europepmc   +4 more sources

Geographical distribution of Amblyomma cajennense (sensu lato) ticks (Parasitiformes: Ixodidae) in Brazil, with description of the nymph of A. cajennense (sensu stricto). [PDF]

Parasit Vectors, 2016
Until recently, Amblyomma cajennense (Fabricius, 1787) was considered to represent a single tick species in the New World. Recent studies have split this taxon into six species. While the A. cajennense species complex or A. cajennense (sensu lato) (s.l.)
Martins TF, Barbieri AR, Costa FB, Terassini FA, Camargo LM, Peterka CR, de C Pacheco R, Dias RA, Nunes PH, Marcili A, Scofield A, Campos AK, Horta MC, Guilloux AG, Benatti HR, Ramirez DG, Barros-Battesti DM, Labruna MB.   +17 more
europepmc   +4 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   +6 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   +3 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   +3 more sources

Seasonal dynamics of Amblyomma cajennense (Fabricius, 1787) sensu stricto in a degraded area of the Amazon biome, with notes on Rickettsia amblyommatis infection. [PDF]

Parasit Vectors, 2023
Background The tick Amblyomma cajennense sensu stricto ( A. cajennense s.s.) frequently parasitizes animals and humans in the Amazon biome, in addition to being a vector of Rickettsia amblyommatis .
de Araújo FES, Martins TF, Ramos CCM, Nogueira RMS, Faccini JLH, Tavares MA, de Lima NJ, de Almeida Júnior EB, de Sousa-Paula LC, Dantas-Torres F, da Silva Krawczak F, Costa-Junior LM, Labruna MB, Dall Agnol LT, Luz HR.   +14 more
europepmc   +2 more sources

High-resolution prediction models for Rhipicephalus microplus and Amblyomma cajennense s.l. ticks affecting cattle and their spatial distribution in continental Ecuador using bioclimatic factors. [PDF]

Exp Appl Acarol
In Ecuador, the main tick species affecting cattle are Rhipicephalus microplus and Amblyomma cajennense sensu lato. Understanding their spatial distribution is crucial. To assess their distribution, data from 2895 farms visited between 2012 and 2017 were
Pérez-Otáñez X, Rodríguez-Hidalgo R, Enríquez S, Celi-Erazo M, Benítez W, Saegerman C, Vaca-Moyano F, Ron-Garrido L, Vanwambeke SO.   +8 more
europepmc   +2 more sources

Laboratory evaluation of the efficacy of lotilaner (Credelio™) against Amblyomma cajennense (sensu lato) infestations of dogs. [PDF]

Parasit Vectors, 2018
The ixodid tick Amblyomma cajennense (sensu lato) complex, widespread throughout South and Central America, is also present in Mexico, Texas and Florida.
Lasmar PVF, Murphy M, Nanchen S, Drake J, Coumendouros K, Borges DA, de Oliveira PC, Scott FB.   +7 more
europepmc   +2 more sources

Amblyomma cajennense (Fabricius, 1787) (Ixodida: Ixodidae): human parasitism and the first record from the Acre State, Western Brazilian Amazon

Entomological Communications, 2022
The Cayenne tick, Amblyomma cajennense (Fabricius, 1787) (Ixodida: Ixodidae), parasitizes a range of vertebrate hosts, including humans, accidentally.
Vanessa L. de Souza, Marcos S. de Lima, Thiago F. Martins, Franscio E. da Costa, José R. O. da Silva, José R. L. de Souza   +5 more
doaj   +2 more sources

Diversity of rickettsiae in ticks (Acari: Ixodidae) collected from wild vertebrates in part of the Amazon, Cerrado, and Pantanal biomes in Brazil [PDF]

Revista Brasileira de Parasitologia Veterinária, 2023
Ticks parasitizing 102 wild animals in the states of Mato Grosso and Goiás, Brazil were collected between 2015 and 2018. A total of 2338 ticks (865 males, 541 females, 823 nymphs, and 109 larvae) belonging to four genera (Amblyomma, Dermacentor ...
Anny Carolina Prati, Maerle Oliveira Maia, Thiago Fernandes Martins, Thaís Oliveira Morgado, Sandra Helena Ramiro Corrêa, Edson Junior Figueiredo Mendes, Rosa Helena dos Santos Ferraz, Jessica Rhaiza Mudrek, Christine Strüssmann, Dirceu Guilherme de Souza Ramos, Thiago Borges Fernandes Semedo, Make Kawatake Minetto, Daniel Moura de Aguiar, Richard Campos Pacheco, Andréia Lima Tomé Melo   +14 more
doaj   +2 more sources