Results 11 to 20 of about 29,029 (190)
‘Rickettsia hulinii’ belongs to the Rickettsia heilongjiangensis species [PDF]
Clinical Microbiology and Infection, 2009 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
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THE CYTOLOGY OF RICKETTSIAE [PDF]
Journal of Experimental Medicine, 1949 Internal structures of rickettsiae seen with phase contrast microscopy and in the electron microscope contain desoxyribonucleic acid and are therefore nuclear structures similar to those found in bacteria. They are minute spherical bodies, either single as in spherical rickettsiae or varying in number from 2 to 4 in rod-shaped forms.
H, RIS, J P, FOX
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Eco-Epidemiological Study of Seropositivity Against Rickettsia and Leptospira Agents in Rural Areas of Urabá, Colombia. [PDF]
Trop Med Int HealthABSTRACT Introduction Rickettsioses and leptospirosis are infectious diseases often underdiagnosed due to limited knowledge about their epidemiology, pathophysiology, and clinical aspects. Objectives To characterize the seroprevalence and seroincidence of Rickettsia and Leptospira agents and determine their associated factors in rural areas of Urabá ...
Torres-Bustamante M +4 more
europepmc +2 more sources
Inactivation of rickettsiae [PDF]
European Journal of Microbiology and Immunology, 2013 A reliable and complete inactivation is an indispensable premise for any concentration of rickettsiae or for the development of diagnostic strategies based on their antigens. This study deals with the testing of methods to inactivate rickettsiae. Rickettsia honei was used as a model organism.
Hagen, Frickmann, Gerhard, Dobler
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Ticks and Tick-borne Diseases, 2017 Tick-borne diseases represent a large proportion of infectious diseases that have become a world health concern. The presence of Rickettsia spp. was evaluated by standard PCR and sequencing in 123 ticks collected from several mammals and vegetation in Sardinia, Italy.
Chisu, Valentina +5 more
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A Rickettsia Case Caused by Rickettsia conorii
Mikrobiyoloji Bulteni, 2018 Rickettsia species are gram-negative intracellular, small pleomorphic coccobacilli in the Rickettsiaceae family. This genus is serologically and genotypically divided into four groups as spotted fever group, typhus group, Rickettsia belli and Rickettsia canadensis. Rickettsia conorii (R.conorii subsp. conorii) in the spotted fever group was reported to
Bekir, Çelebi +2 more
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Molecular detection of Rickettsia infection in field-collected bed bugs
New Microbes and New Infections, 2020 Bed bugs are now one of the most prevalent human-associated, blood-feeding pests in the urban world, but few studies of their association with human pathogens have been conducted since their resurgence.
R. Potts +3 more
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Dissemination of spotted fever rickettsia agents in Europe by migrating birds. [PDF]
PLoS ONE, 2010 Migratory birds are known to play a role as long-distance vectors for many microorganisms. To investigate whether this is true of rickettsial agents as well, we characterized tick infestation and gathered ticks from 13,260 migratory passerine birds in ...
Karin Elfving +7 more
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A Systematic Review of the Arthropod-Borne Rickettsial Diseases with a Special Emphasis on Iran [PDF]
Journal of Health Sciences and Surveillance System, 2021 Background: Rickettsialinfections occur worldwide. Rickettsia spp. are mandatory intracellular Gram-negative bacteria that can cause mild to severe disease.
Aboozar Soltani +3 more
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Rickettsia in the Regiment [PDF]
Journal of the Royal Army Medical Corps, 1989 A case of Rocky Mountain Spotted Fever (RMSF) is described, together with other cases of pyrexia whose occurrence originally gave the impression of a significant outbreak of the disease in a TA regiment after annual training in the USA. The role of the RMO is considered in such circumstances.
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