Results 11 to 20 of about 13,960 (198)

Transformation Frequency of a mariner-Based Transposon in Rickettsia rickettsii [PDF]

Journal of Bacteriology, 2011
ABSTRACTTransformation frequencies of amariner-based transposon system inRickettsia rickettsiiwere determined using a plaque assay system for enumeration and isolation of mutants. Sequence analysis of insertion sites in bothR. rickettsiiandR. prowazekiiindicated that insertions were random.
Tina R, Clark, Amanda M, Lackey, Betsy, Kleba, Lonnie O, Driskell, Erika I, Lutter, Craig, Martens, David O, Wood, Ted, Hackstadt   +7 more
openaire   +3 more sources

Production and characterization of monoclonal antibodies to Rickettsia rickettsii [PDF]

Infection and Immunity, 1984
Five mouse ascitic fluids (MAFs) containing monoclonal antibody to Rickettsia rickettsii were produced from three original fusions by murine hybridoma technology. The five MAFs were fractionated and purified; each contained monoclonal antibody of the immunoglobulin G2a subclass.
J V, Lange, D H, Walker
openaire   +4 more sources

A ocorrência de riquetsioses do grupo Rickettsia rickettsii Occurrence of rickettsiosis of the group Rickettsia rickettsii

Revista de Saúde Pública, 1983
Foi realizada revisão da literatura com objetivo de atualizar as informações sobre a ocorrência de riquetsioses do grupo Rickettsia rickettsii. Verificou-se que nos EUA e Europa, a incidência da febre maculosa, vem aumentando desde 1970 até hoje. No Brasil, foi relatado um caso presuntivo, no estado da Bahia, em 1979.
Dalva A. Portari Mancini, Elvira M. Mendes Nascimento, Valéria Rosa Tavares, Murillo Adelino Soares   +3 more
openaire   +3 more sources

Experimental infection of wild boars (Sus scrofa) with Rickettsia rickettsii and evaluation of the transmission potential to Amblyomma sculptum ticks [PDF]

Parasites & Vectors
Background Brazilian spotted fever is a tick-borne disease caused by the bacterium Rickettsia rickettsii, whose main vector in Brazil is the tick Amblyomma sculptum.
Lucianne Cardoso Neves, Lina de Campos Binder, Warley Vieira de Freitas Paula, Nicolas Jalowitzki de Lima, Ennya Rafaella Neves Cardoso, Rayane Almeida Santos, Raphaela Bueno Mendes Bittencourt, Gracielle Teles Pádua, Gabriel Cândido dos Santos, Mariana Avelar Tavares, Maria Carolina de Azevedo Serpa, Adriano Pinter, Artur Luiz de Almeida Felicio, Marcelo B. Labruna, Felipe da Silva Krawczak   +14 more
doaj   +2 more sources

Infección por rickettsia en capibaras (Hydrochoerus hydrochaeris) de São Paulo, Brasil: evidencia serológica de infección por Rickettsia bellii y Rickettsia parkeri [PDF]

Biomédica: revista del Instituto Nacional de Salud, 2007
Introducción. En Brasil, los capibaras (Hydrochoerus hydrochaeris) son importantes huéspedes para garrapatas del género Amblyomma, las cuales transmiten rickettsiosis a humanos y animales.
Richard C. Pacheco, Mauricio C. Horta, Jonas Moraes-Filho, Alexandre C. Ataliba, Adriano Pinter, Marcelo B. Labruna   +5 more
doaj   +2 more sources

A Study of Canine Rocky Mountain Spotted Fever Prevalence Seen in a South Carolina Veterinary Lameness and Performance Referral Center [PDF]

Veterinary Sciences
Rocky Mountain spotted fever (RMSF), caused by Rickettsia rickettsii, is a potentially severe tick-borne disease affecting both dogs and humans. While commercial in-clinic diagnostic tests have improved the detection of several common canine tick-borne ...
Robert L. Gillette, Vijaya V. Indukuri, Jeannie Willems, Denise Passmore   +3 more
doaj   +2 more sources

Frequency of antibodies class IgG anti-Rickettsia rickettsii in horses of Universidade Federal Rural do Rio de Janeiro, Seropédica campus

Brazilian Journal of Veterinary Medicine, 2015
. Cordeiro M.D., Raia V.A., Valim J.R.A., Castro G.N.S., Souza C.E. & Fonseca A.H. [Frequency of antibodies class IgG anti-Rickettsia rickettsii in horses of Universidade Federal Rural do Rio de Janeiro, Seropédica campus.] Frequência de anticorpos da ...
Matheus Dias Cordeiro, Vanessa de Almeida Raia, Jaqueline Rodrigues de Almeida Valim, Gustavo Nunes de Santana Castro, Celso Eduardo de Souza, Adivaldo Henrique da Fonseca   +5 more
doaj   +1 more source

Seroprevalence of Rickettsia rickettsii and Rickettsia parkeri in dogs during a Brazilian Spotted Fever outbreak in the State of Rio de Janeiro

Arquivo Brasileiro de Medicina Veterinária e Zootecnia
The present paper is the first to perform this evaluation in dogs from the cities of Natividade, Porciuncula and Varre-Sai. The aim of this study is to search for Spotted Fever Group Rickettsia in canine sera using indirect immunofluorescence assay and ...
I.T. Poubel, N.C. Cunha, A.B.M. Fonseca, A. Pinter, A.H. Fonseca, M.D. Cordeiro, N.R.P. Almosny   +6 more
doaj   +2 more sources

Fiebre Manchada por Rickettsia Rickettsii

, 2019
Las Rickettsias son entidades clínicas emergentes y reemergentes del tipo zoonótico, de la famillia Rickettsiaceae, son un género de bacterias intracelulares obligadas transmitidas por diferentes vectores artrópodos hematófagos como garrapatas, pulgas, piojos y ácaros. Estos vectores condicionan el establecimiento y la epidemiología de la enfermedad en
Leon de la Fuente, Ricardo Alfonso, Herrera, Mauricio, Sánchez, Alejandra P.   +2 more
core   +3 more sources

Nitric Oxide Inhibition of Rickettsia rickettsii. [PDF]

Infect Immun, 2021
Rickettsia rickettsii , the causative agent of Rocky Mountain spotted fever, is an enzootic, obligate, intracellular bacterial pathogen. Nitric oxide (NO) synthesized by the inducible NO synthase (iNOS) is a potent antimicrobial component of innate immunity and has been implicated in the control of virulent ...
Fitzsimmons LF, Clark TR, Hackstadt T.
europepmc   +3 more sources