Results 11 to 20 of about 7,443 (219)
Challenges posed by tick-borne rickettsiae: eco-epidemiology and public health implications
Rickettsiae are obligately intracellular bacteria that are transmitted to vertebrates by a variety of arthropod vectors, primarily by fleas and ticks.
Marina eEremeeva, Gregory Alan Dasch
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The neglected challenge: Vaccination against rickettsiae.
Over the last decades, rickettsioses are emerging worldwide. These diseases are caused by intracellular bacteria. Although rickettsioses can be treated with antibiotics, a vaccine against rickettsiae is highly desired for several reasons.
Anke Osterloh
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First Detection of Spotted Fever Group Rickettsiae in Ixodes ricinus from Italy [PDF]
Ixodes ricinus from Italy were examined for the first time to detect whether rickettsiae were present. Using molecular methods, we detected three different spotted fever group rickettsiae, including Rickettsia helvetica. Our results raise the possibility
Tiziana Beninati +6 more
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50 strains of spotted fever group (SFG) rickettsiae and 36 lyssaviruses strains from the collection of Omsk Research Institute of Natural Focus Infections were identified and typed using the approaches of molecular biology, epidemiology and ...
S. N. Shpynov +9 more
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GENOMOSYSTEMATICS OF RICKETTSIAE
The definition of the term genome was given by the German botanist G. Winkler almost one hundred years ago in 1920. A genome definition for bacterial (rickettsia) with a single chromosome was recently presented from the perspective of information ...
S. N. Shpynov +3 more
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Bartonella quintana and Typhus Group Rickettsiae Exposure among Homeless Persons, Bogotá, Colombia
In 2015, we investigated Bartonella quintana and typhus group rickettsiae in body lice from homeless persons in Bogotá, Colombia. We found B. quintana–infected body lice and seroprevalence of this microorganism in 19% of homeless persons and typhus group
Álvaro A. Faccini-Martínez +7 more
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Improved Detection and Sequencing of Rickettsia spp. DNA in South African Wildlife. [PDF]
Nested gltA PCR detected Rickettsia spp. DNA in 44% of South African wildlife samples previously negative by RLB, revealing spotted fever, typhus and transitional group lineages, novel host records, co‐infection and multi‐organ dissemination in impala, highlighting complex wildlife involvement and zoonotic risk within a One Health framework.
Cossu CA +5 more
europepmc +2 more sources
Exotic Rickettsiae in Ixodes ricinus: fact or artifact? [PDF]
Several pathogenic Rickettsia species can be transmitted via Ixodes ricinus ticks to humans and animals. Surveys of I. ricinus for the presence of Rickettsiae using part of its 16S rRNA gene yield a plethora of new and different Rickettsia sequences ...
Fonville, M. +10 more
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‘Rickettsia hulinii’ belongs to the Rickettsia heilongjiangensis species [PDF]
A Rickettsia species has long been defined as a distinct serotype using mouse serotyping. However, owing to a lack of reproducibility and interlaboratory comparability of this method, new taxonomic guidelines, based on multigene amplification and sequencing, have been developed and validated by an international panel of rickettsiology experts [1]. This
Zhang, L. +2 more
openaire +3 more sources
Evidence of Q Fever and Rickettsial Disease in Chile
Q fever and rickettsial diseases occur throughout the world and appear to be emergent zoonoses in Chile. The diagnosis of these diseases is currently uncommon in Chile, as their clinical presentations are non-specific and appropriate diagnostic ...
Teresa Tapia +12 more
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