Rickettsia bellii infecting Amblyomma sabanerae ticks in El Salvador [PDF]
Four Amblyomma sabanerae ticks collected from a turtle (Kinosternon sp.) in San Miguel, El Salvador, were found by molecular analysis to be infected by Rickettsia bellii.
Amalia Regina Mar Barbieri +1 more
exaly +3 more sources
Infección por rickettsia en capibaras (Hydrochoerus hydrochaeris) de São Paulo, Brasil: evidencia serológica de infección por Rickettsia bellii y Rickettsia parkeri [PDF]
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 +5 more
doaj +2 more sources
Seroprevalence of Rickettsia bellii and Rickettsia felis in dogs, São José dos Pinhais, State of Paraná, Brazil Soroprevalência de Rickettsia bellii e Rickettsia felis em cães, São José dos Pinhais, Paraná, Brasil [PDF]
Brazilian spotted fever (BSF) is a vector-borne zoonosis caused by Rickettsia rickettsii bacteria. Dogs can be host sentinels for this bacterium. The aim of the study was to determine the presence of antibodies against Rickettsia spp.
Fernanda Silva Fortes +7 more
doaj +2 more sources
Transcriptional Analysis of the Conjugal Transfer Genes of Rickettsia bellii RML 369-C [PDF]
Rickettsia bellii is an obligate intracellular bacterium that is one of the few rickettsiae that encode a complete set of conjugative transfer (tra) genes involved in bacterial conjugation and has been shown to exhibit pili-like structures. The reductive
Chan Chin Heu +2 more
exaly +4 more sources
Detection of antibodies anti-Rickettsia spp. in dogs and horses in the state of Mato Grosso, Brazil [PDF]
This study evaluated the infection caused by Rickettsia spp. among dogs and horses from Mato Grosso State. A total of 384 dogs and 460 horses were tested by the Indirect Immunofluorescence Assay (IFA) for Rickettsia rickettsii, Rickettsia parkeri ...
Marcus Vinicius de Amorim +9 more
doaj +2 more sources
Introdução e objetivo: No estado de São Paulo as capivaras são as principais hospedeiras amplificadoras da Rickettsia rickettsii, agente etiológico da febre maculosa brasileira (FMB), para o carrapato vetor Amblyomma sculptum.
Lina de Campos Binder +4 more
doaj +2 more sources
Genomic evolution and adaptation of arthropod-associated Rickettsia
Rickettsia species are endosymbionts hosted by arthropods and are known to cause mild to fatal diseases in humans. Here, we analyse the evolution and diversity of 34 Rickettsia species using a pangenomic meta-analysis (80 genomes/41 plasmids ...
Khalid El Karkouri +3 more
doaj +2 more sources
Serologic evidence of the exposure of small mammals to spotted-fever Rickettsia and Rickettsia bellii in Minas Gerais, Brazil [PDF]
Introduction: Sources of pathogenic Rickettsia in wildlife are largely unknown in Brazil. In this work, potential tick vectors and seroreactivity of small mammals against four spotted-fever group Rickettsia (R. rickettsii, R. parkeri, R.
Marcella Gonçalves Coelho +11 more
doaj +2 more sources
Development of shuttle vectors for transformation of diverse Rickettsia species. [PDF]
Plasmids have been identified in most species of Rickettsia examined, with some species maintaining multiple different plasmids. Three distinct plasmids were demonstrated in Rickettsia amblyommii AaR/SC by Southern analysis using plasmid specific probes.
Nicole Y Burkhardt +7 more
doaj +2 more sources
Diversity of Rickettsia species in border regions of northwestern China
Background Rickettsia species belonging to the spotted fever group (SFG) cause infections in humans, domestic animals and wildlife. At least ten SFG Rickettsia species are known to occur in China.
Shengnan Song +8 more
doaj +2 more sources

