Amblyomma sculptum Salivary PGE2 Modulates the Dendritic Cell-Rickettsia rickettsii Interactions in vitro and in vivo [PDF]
Frontiers in Immunology, 2019 Amblyomma sculptum is an important vector of Rickettsia rickettsii, causative agent of Rocky Mountain spotted fever and the most lethal tick-borne pathogen affecting humans. To feed on the vertebrate host's blood, A. sculptum secretes a salivary mixture,
Peti A P F, Sorgi C A, Célio Silva
exaly +4 more sources
Seasonal dynamics of Amblyomma sculptum: a review [PDF]
Parasites & Vectors, 2022 Background Amblyomma sculptum is a hard tick that is associated with domestic animals and the transmission of Brazilian spotted fever. This association has motivated several field studies on this ixodid tick within its distribution area in South America.
Luiza Gabriella Ferreira de Paula +6 more
doaj +2 more sources
First report of Amblyomma sculptum (Amblyomma cajennense complex) in a Brazilian state classified as a silent area for human rickettsiosis [PDF]
Veterinary 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 ...
Bruna Costa da Gama +4 more
doaj +2 more sources
Fluazuron Baits in the Control of Amblyomma sculptum Tick: Efficacy and Pharmacokinetics Using Guinea Pigs as an Experimental Model [PDF]
PathogensThe tick Amblyomma sculptum is the vector of the bacterium Rickettsia rickettsii (which causes Brazilian Spotted Fever in humans). It can be found in domestic and wild animals, as well as humans. The objective of this work was to evaluate the efficacy of
Debora Azevedo Borges +8 more
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Comparative Susceptibility of Different Populations of Amblyomma sculptum to Rickettsia rickettsii [PDF]
Frontiers in Physiology, 2019 The bacterium Rickettsia rickettsii is the etiological agent of Brazilian spotted fever (BSF), which is transmitted in Brazil mainly by the tick Amblyomma sculptum. Herein, larvae and nymphs of six populations of A. sculptum were exposed to R. rickettsii
Monize Gerardi +5 more
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Ticks on wild vertebrates necropsied in a veterinary pathology service in central Brazil: species richness and pathogen screening [PDF]
Revista Brasileira de Parasitologia VeterináriaDuring 2022-2024, fresh carcasses of 35 wild animals from Goiás state and the Federal District, both in central Brazil, were sent to the veterinary pathology service of the University of Brasília.
Igor Silva Silito +6 more
doaj +3 more sources
Rickettsia amblyommii infecting Amblyomma sculptum in endemic spotted fever area from southeastern Brazil [PDF]
Memorias do Instituto Oswaldo Cruz, 2015 The Rickettsia bacteria include the aetiological agents for the human spotted fever (SF) disease. In the present study, a SF groupRickettsia amblyommii related bacterium was detected in a field collected Amblyomma sculptum (Amblyomma cajennense species ...
Emília de Carvalho Nunes +7 more
doaj +2 more sources
Variation in the hatching rate of larvae of four tick species from laboratory colonies [PDF]
Revista Brasileira de Parasitologia VeterináriaThe objective of this study was to evaluate the hatching percentage of tick larvae of Amblyomma sculptum, Dermacentor nitens, Rhipicephalus linnaei, and three strains of Rhipicephalus microplus.
Ygor Henrique da Silva +9 more
doaj +2 more sources
Bats used as hosts by Amblyomma sculptum (Acari: Ixodidae) in Northeastern Brazil and its implications on tick-borne diseases [PDF]
Zoologia (Curitiba), 2020 Amblyomma Koch, 1844 is distributed worldwide, with ca. 130 species currently recognized. These ticks are vectors of pathogens to animals and humans, including the causative agent of the New World Rocky Mountain spotted fever ...
Roberto Leonan M. Novaes +4 more
doaj +3 more sources
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 +14 more
doaj +1 more source