Results 81 to 90 of about 11,288 (145)

Rickettsia amblyommatis infecting ticks and exposure of domestic dogs to Rickettsia spp. in an Amazon-Cerrado transition region of northeastern Brazil.

PLoS ONE, 2017
This study was performed in Maranhão state, a transition area two Brazilian biomes, Amazon and Cerrado. During 2011-2013, 1,560 domestic dogs were sampled for collection of serum blood samples and ticks in eight counties (3 within the Amazon and 5 within
Francisco B Costa, Andréa P da Costa, Jonas Moraes-Filho, Thiago F Martins, Herbert S Soares, Diego G Ramirez, Ricardo A Dias, Marcelo B Labruna   +7 more
doaj   +1 more source

A serological and molecular survey of Babesia vogeli, Ehrlichia canis and Rickettsia spp. among dogs in the state of Maranhão, northeastern Brazil

Revista Brasileira de Parasitologia Veterinária
This study evaluated exposure and infection by tick-borne agents (Babesia vogeli, Ehrlichia canis and Rickettsia spp.) in 172 dogs in rural areas and 150 dogs in urban areas of the municipality of Chapadinha, state of Maranhão, northeastern Brazil, using
Andréa Pereira da Costa, Francisco Borges Costa, Marcelo Bahia Labruna, Iara Silveira, Jonas Moraes-Filho, João Fábio Soares, Mariana Granziera Spolidorio, Rita de Maria Seabra Nogueira de Candanedo Guerra   +7 more
doaj   +1 more source

Effect of environmental variables on the abundance of Amblyomma ticks, potential vectors of Rickettsia parkeri in central Brazil.

PLoS ONE
Amblyomma ticks are vectors of both Rickettsia rickettsii and R. parkeri in the Americas, where capybaras (Hydrochoerus hydrochaeris) are the main hosts in urban areas, thus contributing to the transmission of spotted fever.
Isadora R C Gomes, Rodrigo Gurgel-Gonçalves, Gilberto S Gazeta, Ana B P Borsoi, Karla Bitencourth, Letícia F Leite, Nathália G S S Coelho, Ricardo Dislich, Helga C Wiederhecker, Eduardo G Santos, Melina Guimarães   +10 more
doaj   +1 more source

Rickettsia

, 2010
Rickettsial diseases are often undiagnosed because the treating doctor doesn’t consider it as part of the differential diagnosis, especially in Australia. A travel history is often helpful.
J Stenos (9852353), S Graves (13293444), L Izzard (13466532)   +2 more
core  

Distribution of different Rickettsia species in countries of the WHO Eastern Mediterranean (WHO-EMRO) region: An overview

Travel Medicine and Infectious Disease
Subject: Rickettsia is a zoonotic bacterial pathogen transmitted by vectors and has extensive reservoirs in animal and human populations. Rickettsiosis is a public health problem all over the world.
Shahin Seidi, Amir Hossein Omidi, Saber Esmaeili   +2 more
doaj   +1 more source

Rickettsia monteiroi sp nov., Infecting the Tick Amblyomma incisum in Brazil

, 2011
Free-living adult Amblyomma incisum ticks were collected in an Atlantic rainforest area at Intervales State Park, State of Sao Paulo, Brazil. From an A.
MARCILI, Arlei, Marcelo B. Labruna, SZABO, Matias P. J., BOUYER, Donald H., CATROXO, Marcia H. B., LABRUNA, Marcelo B., Arlei Marcili, Márcia H. B. Catroxo, Leonardo J. Richtzenhain, Matias P. J. Szabó, PACHECO, Richard C., MORAES-FILHO, Jonas, Donald H. Bouyer, RICHTZENHAIN, Leonardo J., Richard C. Pacheco, Jonas Moraes-Filho   +15 more
core   +1 more source

Descriptive epidemiology of ticks (Acari: Ixodidae), lice (Phthiraptera: Trichodectidae) and Rickettsia spp. in quatis (Nasua nasua) of sinanthropic habits in the Iguaçu National Park, Paraná, Brazil

, 2018
Diferentes espécies do gênero Rickettsia têm registro confirmado no território brasileiro, tais como Rickettsia rickettsii, Rickettsia parkeri, Rickettsia bellii, Rickettsia felis e Rickettsia amblyommatis, sendo a primeira mais importante como causadora
Magalhães-Matos, Paulo César
core  

Seroepidemiology and molecular epidemiology by Rickettsia spp infections in dogs and ticks from urban and rural environments in the state of Maranhão

, 2014
A emergência e reemergência de doenças transmitidas por artrópodes são desafios para as medicina Veterinária e Humana. Cães domésticos estão frequentemente expostos as diferentes espécies de carrapatos, os quais fazem destes animais bons sentinelas para ...
Costa, Francisco Borges, Francisco Borges Costa   +1 more
core   +1 more source

Molecular analysis of the transfer (tra) genes of Rickettsia bellii RML 369-C and their function in bacterial conjugation

, 2016
University of Minnesota Ph.D. dissertation. February 2016. Major: Entomology. Advisors: Timothy Kurtti, Ulrike Munderloh. 1 computer file (PDF); vii, 137 pages.Rickettsia bellii is an obligate intracellular bacterium. Among the Rickettsiales, R. bellii
Heu, Chan
core  

Epidemiologic study of Rickettsia felis in endemic and nonendemic areas for spotted fever in the State of São Paulo

, 2006
Estudos recentes demonstraram a existência de Rickettsia felis, riquétsia do Grupo da Febre Maculosa, em sangue de pacientes com quadro clínico compatível com a doença e em pulgas infectadas. Este projeto visa determinar a prevalência de R.
Mauricio Claudio Horta, Horta, Mauricio Claudio   +1 more
core   +1 more source