Results 61 to 70 of about 847 (159)

Environmentally associated ticks (Acari: Ixodidae) in Campo Grande, Mato Grosso do Sul, Brazil Carrapatos (Acari: Ixodidae) associados com o ambiente em Campo Grande, Mato Grosso do Sul, Brasil

Revista Brasileira de Parasitologia Veterinária, 2013
Herein, we report tick species found on wild and domestic animals and in the environment during a one-year sampling period at the Brazilian Farming Research Company beef cattle unit (Embrapa Beef Cattle), which is located within the urban area of Campo ...
Marcos Valério Garcia, Dayana Campelo da Silva, Robson Ferreira Cavalcante de Almeida, Rodrigo Casquero Cunha, Jaqueline Matias, Jacqueline Cavalcante Barros, Renato Andreotti, Matias Pablo Juan Szabó   +7 more
doaj  

A new Factor Xa inhibitor from Amblyomma cajennense with a unique domain composition

Archives of Biochemistry and Biophysics, 2010
Bioactive compounds of great interest are found in the saliva of hematophagous organisms. While exploring a cDNA library derived from the salivary glands of the tick Amblyomma cajennense, a transcript that codes for a protein with unique structure (containing an N-terminal Kunitz-type domain and a C-terminus with no homology to any annotated sequences)
I F C, Batista, O H P, Ramos, J S, Ventura, I L M, Junqueira-de-Azevedo, P L, Ho, A M, Chudzinski-Tavassi   +5 more
openaire   +2 more sources

Ticks on birds caught on the campus of the Federal Rural University of Rio de Janeiro, Brazil Carrapatos em aves capturadas no campus da Universidade Federal Rural do Rio de Janeiro, Brasil

Revista Brasileira de Parasitologia Veterinária, 2012
The prevalence of parasitic infections, particularly those caused by ectoparasites, may influence the biology and ecology of wild birds. The aim of this study was to investigate occurrences and identify the species of ticks collected from wild birds ...
Ísis Daniele Alves Costa Santolin, Hermes Ribeiro Luz, Nívea Maria Alchorne, Michele da Costa Pinheiro, Ramiro Dário Melinski, João Luiz Horácio Faccini, Ildemar Ferreira, Kátia Maria Famadas   +7 more
doaj   +1 more source

Biological differences between two allopatric populations of Amblyomma cajennense (Acari: Ixodidae) in Argentina

Experimental and Applied Acarology, 2010
The fertility of hybrids from two distinct populations of Amblyomma cajennense from different ecological regions of Northern Argentina was analyzed. Two colonies of A. cajennense from El Rey National Park (RNP), Salta Province (24º41'S, 64º36'W), and Copo National Park (CNP), Santiago del Estero Province (25º55'S, 61º43'W) were established infesting ...
Mastropaolo, Mariano, Nava, Santiago, Guglielmone, Alberto Alejandro, Mangold, Atilio Jose   +3 more
openaire   +3 more sources

DISTRIBUIÇÃO, DIVERSIDADE E SAZONALIDADE DE CARRAPATOS EM AMBIENTES INSTITUCIONAIS COM DIFERENTES GRAUS DE INTERVENÇÃO HUMANA NO ESTADO DO RIO DE JANEIRO, BRASIL

Brazilian Journal of Veterinary Medicine, 2014
Este estudo avalia a distribuição, a diversidade e a flutuação sazonal de carrapatos, capturados por meio de três técnicas, em cinco áreas institucionais com diferentes características ecoló- gicas e de intervenção humana, no estado do Rio de Janeiro ...
Andrea Kill Silveira, Adevair Henrique da Fonseca   +1 more
doaj  

Rickettsiae-infected Ticks in an Endemic Area of Spotted Fever in the State of Minas Gerais, Brazil

Memorias do Instituto Oswaldo Cruz, 1997
A study on tick-borne rickettsiosis was developed in the county of Santa Cruz do Escalvado, State of Minas Gerais, Brazil, where a clinical case of the disease, confirmed by necropsy, had been reported. Of the 1,254 ticks collected, 1,061 belonged to the
Elba Regina Sampaio de Lemos, Raimundo Diogo Machado, Fernando Dias de Ávila Pires, Sérgio Lisboa Machado, Lígia Maria Cantarino da Costa, José Rodrigues Coura   +5 more
doaj   +1 more source

Rickettsia amblyommii infecting Amblyomma sculptum in endemic spotted fever area from southeastern Brazil

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, Vinicius Figueiredo Vizzoni, Daniel Leal Navarro, Felipe Campos de Melo Iani, Liliane Silva Durães, Erik Daemon, Carlos Augusto Gomes Soares, Gilberto Salles Gazeta   +7 more
doaj   +1 more source

Infecção experimental de carrapatos (Amblyomma cajennense) em ratos com lepra Stefansky [PDF]

Memórias do Instituto Oswaldo Cruz, 1943
The A. succeeded, after various experiments, to infect ticks (Amblyoma cajennense) with STEFANSKY bacillus, upon feeding them in rats suffering from murine leprosy, in advanced stages. The A. thinks that will be ease to transfer the sickness from rat to rat by means of inoculation of triturate of infected ticks, as did MARCHOUX with Laelaps echdninus.
openaire   +3 more sources

Parasitismo humano por carrapatos na Mata Atlântica, Rio de Janeiro, Brasil.

EntomoBrasilis, 2011
Entre janeiro de 1997 e dezembro de 2007 foi realizada uma investigação epidemiológica objetivando identificar casos de parasitismo por carrapatos em humanos na comunidade que invadiu e está ocupando Área de Proteção Ambiental – (APA), entre o “Parque ...
Nicolau Maués Serra-Freire, Laura Morena Mendes de Sena, Ana Beatriz Pais Borsoi   +2 more
doaj   +4 more sources

More about the role of 2,6-dichlorophenol in tick courtship: identification and olfactometer bioassay in Amblyomma cajennense and Rhipicephalus sanguineus

Memorias do Instituto Oswaldo Cruz, 2008
This study aimed to identify 2,6-dichlorophenol (2,6-DCP) in Amblyomma cajennense and to evaluate its role in A. cajennense and Rhipicephalus sanguineus courtship.
Carla Cristina Braz Louly, Diana da Nóbrega Silveira, Sara Fernandes Soares, Pedro Henrique Ferri, Ariane Carla Campos de Melo, Lígia Miranda Ferreira Borges   +5 more
doaj   +1 more source