Results 1 to 10 of about 8,183 (142)

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]

Experimental and Applied Acarology
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
Sophie O Vanwambeke, Lenin Ron-Garrido, Claude Saegerman   +2 more
exaly   +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

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   +2 more sources

Incidental infestations of humans by hard ticks (Acari: Ixodidae) in Colombia: Case reports and record of Amblyomma cajennense sensu stricto. [PDF]

Ticks Tick Borne Dis
In Colombia, there are few studies that describe tick parasitism in humans, as well as its demographic and ecological characteristics. Additionally, multiple cases of human rickettsiosis caused by highly pathogenic Rickettsia species have been reported ...
Vargas-Martínez OE, Naranjo-Vargas LF, Aramendiz-Macías L, Díaz FJ, Quintero-Vélez JC, Martins TF, Rodas-González JD.   +6 more
europepmc   +2 more sources

Acaricide resistance in <i>Amblyomma cajennense</i> s.l. and implications for integrated tick control in Ecuadorian cattle systems. [PDF]

Front Vet Sci
Introduction Amblyomma cajennense sensu lato represents a significant challenge for sustainable tick control in tropical cattle systems due to its ecological adaptability, wide host range, and frequent co-occurrence with Rhipicephalus microplus.
Pérez-Otáñez X, Vanwambeke SO, Paucar-Quishpe V, Pérez C, Grijalva-Olmedo J, Cepeda-Bastidas D, Orozco G, Enríquez Morillo S, Saegerman C, Ron-Garrido L, Rodríguez-Hidalgo R.   +10 more
europepmc   +2 more sources

Amblyomma cajennense Sensu Stricto (Fabricius, 1787) and Amblyomma sculptum (Berlese, 1888) Tick Saliva Elicit Immune-Modulatory Activity in Isolated Murine Macrophages With an Insight Into Proteomic Analysis. [PDF]

Parasite Immunol
Tick saliva is known to cause immunosuppression and help pathogen transmission. Amblyomma sculptum is a public health concern as a vector of Rickettsia rickettsii. Another close‐related species is Amblyomma cajennense sensu stricto (s.s.).
Aguirre AAR, Dos Reis VP, Setúbal SDS, Carioca ALPM, Tavares KM, Evaristo GPC, Evaristo JAM, Nogueira FCS, Medeiros JF, Zuliani JP.   +9 more
europepmc   +2 more sources

Virome analyses of Amblyomma cajennense and Rhipicephalus microplus ticks collected in Colombia. [PDF]

Acta Trop
Tick-borne viruses (TBV) have gained public health relevance in recent years due to the recognition of human-associated fatal cases and the increase in tick-borne disease and transmission.
Molina-Hoyos K, Montoya-Ruíz C, Aguilar PV, Pérez-Doria A, Díaz FJ, Rodas JD.   +5 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

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