Anti rickettsia-antibody for spotted fever group in horses and dogs in the North of Paraná Stated, Brazil [PDF]
The Brazilian Spotted Fever (BSF) is a zoonosis that can be fatal if not trteated. As there are few studies of the BSF in the Paraná State, the occurrence of BSF was serologically investigated in dogs and horses by indirect immunofluorescence assay (IFA),
GALHARDO, J.A.+6 more
core +2 more sources
Rickettsia infection in five areas of the state of São Paulo, Brazil
This study investigated rickettsial infection in animals, humans, ticks, and fleas collected in five areas of the state of São Paulo. Eight flea species (Adoratopsylla antiquorum antiquorum, Ctenocephalides felis felis, Polygenis atopus, Polygenis ...
Maurício C Horta+4 more
doaj +1 more source
Identification of novel surface-exposed proteins of Rickettsia rickettsii by affinity purification and proteomics. [PDF]
Rickettsia rickettsii, the causative agent of Rocky Mountain spotted fever, is the most pathogenic member among Rickettsia spp. Surface-exposed proteins (SEPs) of R. rickettsii may play important roles in its pathogenesis or immunity.
Wenping Gong+5 more
doaj +1 more source
Comparative ultrastructural study on the cell envelopes of Rickettsia prowazekii, Rickettsia rickettsii, and Rickettsia tsutsugamushi [PDF]
Rickettsia tsutsugamushi differs from other rickettsiae in its cell envelope organization. The differences were made evident through a comparative study of the outer envelope of R. tsutsugamushi, R. prowazekii, and R. rickettsii by electron microscopy.
David Silverman, Charles L. Wisseman
openaire +3 more sources
Rickettsia felis infection in cat fleas Ctenocephalides felis felis [PDF]
The present study evaluated the rickettsial infection in a laboratory colony of cat fleas, Ctenocephalides felis felis (Bouche) in Brazil. All flea samples (30 eggs, 30 larvae, 30 cocoons, 30 males, and 30 females) tested by polymerase chain reaction ...
CORREIA, Thaís R.+5 more
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The present study investigated the infection by spotted fever rickettsia in an endemic area for Brazilian spotted fever (BSF; caused by Rickettsia rickettsii) in Minas Gerais State, Brazil.
Manoella Campostrini Barreto Vianna+8 more
doaj +1 more source
Transformation Frequency of a mariner-Based Transposon in Rickettsia rickettsii [PDF]
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.
Amanda M. Lackey+7 more
openaire +3 more sources
The incidence of spotted fever group (SFG) rickettsioses in the United States has tripled since 2010. Rocky Mountain spotted fever, the most severe SFG rickettsiosis, is caused by Rickettsia rickettsii.
Will S. Probert+11 more
doaj +1 more source
Acute febrile illness is associated with Rickettsia spp infection in dogs [PDF]
BACKGROUND: Rickettsia conorii is transmitted by Rhipicephalus sanguineus ticks and causes Mediterranean Spotted Fever (MSF) in humans. Although dogs are considered the natural host of the vector, the clinical and epidemiological significance of R ...
A Cascio+69 more
core +2 more sources
Upscaling the surveillance of tick-borne pathogens in the French Caribbean Islands [PDF]
Despite the high burden of vector-borne disease in (sub)tropical areas, few information are available regarding the diversity of tick and tick-borne pathogens circulating in the Caribbean.
Albina, Emmanuel+9 more
core +2 more sources