Results 11 to 20 of about 12,699 (228)
Tropism and pathogenicity of rickettsiae [PDF]
Frontiers in Microbiology, 2012 Rickettsiae are obligate intracellular parasitic bacteria that cause febrile exanthematous illnesses such as Rocky Mountain spotted fever, Mediterranean spotted fever, epidemic and murine typhus, etc. Although the vector ranges of each Rickettsia species
Tsuneo eUchiyama
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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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Evidence of Q Fever and Rickettsial Disease in Chile
Tropical Medicine and Infectious Disease, 2020 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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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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Fluorescence Activated Cell Sorting of Rickettsia prowazekii-Infected Host Cells Based on Bacterial Burden and Early Detection of Fluorescent Rickettsial Transformants. [PDF]
PLoS ONE, 2016 Rickettsia prowazekii, the causative agent of epidemic typhus, is an obligate intracellular bacterium that replicates only within the cytosol of a eukaryotic host cell.
Lonnie O Driskell +4 more
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‘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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Novel Rickettsia spp. in two common overwintering North American songbirds
Emerging Microbes and Infections, 2022 American robins and dark-eyed juncos migrate across North America and have been found to be competent hosts for some bacterial and viral pathogens, but their contributions to arthropod-borne diseases more broadly remain poorly characterized.
Daniel J. Becker +10 more
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Challenges posed by tick-borne rickettsiae: eco-epidemiology and public health implications
Frontiers in Public Health, 2015 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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High prevalence of Rickettsia africae variants in Amblyomma variegatum ticks from domestic mammals in rural western Kenya: implications for human health [PDF]
, 2014 Tick-borne spotted fever group (SFG) rickettsioses are emerging human diseases caused by obligate intracellular Gram-negative bacteria of the genus Rickettsia.
Ade, Fredrick +13 more
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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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