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Tropism and pathogenicity of rickettsiae [PDF]

open access: yesFrontiers 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
doaj   +4 more sources

Vaccine Design and Vaccination Strategies against Rickettsiae

open access: yesVaccines, 2021
Rickettsioses are febrile, potentially lethal infectious diseases that are a serious health threat, especially in poor income countries. The causative agents are small obligate intracellular bacteria, rickettsiae.
Anke Osterloh, Osterloh Anke
exaly   +4 more sources

Ticks and Associated Rickettsiae from Domestic Animals in Bhutan [PDF]

open access: yesPathogens
In Bhutan, information on rickettsiae is limited to a few epidemiological studies. There is no information on ticks and tick-associated rickettsiae.
Tshokey Tshokey   +3 more
doaj   +2 more sources

Spotted fever group rickettsiae associated with ixodid ticks in wild environment in Southern Italy

open access: yesMicrobiologyOpen, 2018
Ixodidae ticks are vectors and reservoirs of several species of rickettsiae, and tick‐borne rickettsioses are reported worldwide. This study was aimed to verify the distribution of spotted fever group rickettsiae associated with ticks in a wild ...
Donato Antonio Raele   +2 more
exaly   +2 more sources

Surveillance of vector-borne infections: Dogs as sentinel animals for Orientia and Rickettsia exposure in five regions in Chile [PDF]

open access: yesOne Health
Domestic dogs have been proposed as sentinels for various infectious diseases, including rickettsial infections. In Chile, the only endemic human rickettsiosis is scrub typhus caused by Candidatus Orientia chiloensis, an emerging infectious disease ...
Paulina López-Silva   +7 more
doaj   +2 more sources

GroEL is an immunodominant surface-exposed antigen of Rickettsia typhi.

open access: yesPLoS ONE, 2021
Rickettsioses are neglected and emerging potentially fatal febrile diseases that are caused by obligate intracellular bacteria, rickettsiae. Rickettsia (R.) typhi and R.
Jessica Rauch   +16 more
doaj   +2 more sources

Plasmids and rickettsial evolution: insight from Rickettsia felis. [PDF]

open access: yesPLoS ONE, 2007
The genome sequence of Rickettsia felis revealed a number of rickettsial genetic anomalies that likely contribute not only to a large genome size relative to other rickettsiae, but also to phenotypic oddities that have confounded the categorization of R.
Joseph J Gillespie   +7 more
doaj   +1 more source

Spotted fever group rickettsiae and Anaplasma phagocytophilum in Borrelia burgdorferi sensu lato seropositive individuals with or without Lyme disease: A retrospective analysis

open access: yesNew Microbes and New Infections, 2023
Background: The Ixodes ricinus tick is the main vector of Borrelia burgdorferi and tick-borne encephalitis virus in Switzerland. Spotted fever group Rickettsiae (SFG) and Anaplasma phagocytophilum have been detected in Swiss ticks, however, information ...
Leonie Kosak   +4 more
doaj   +1 more source

Epidemiology and diagnosis of rickettsioses in animal hosts and tick vectors [PDF]

open access: yesBulgarian Journal of Veterinary Medicine, 2019
Rickettsioses are emerging and reemerging vector-borne global diseases with zoonotic importance. The aim of this review is to give an overview on the epidemiology and diagnosis of rickettsial infec-tion in animal hosts and tick vectors.
S. Abdel-Shafy   +4 more
doaj   +1 more source

Black holes”, “Genome fluidity”, and Evolution of Bacterial Species [PDF]

open access: yesReviews in Clinical Medicine, 2022
The formation of the massive deletion of genes called “black holes,” which are detrimental to a pathogenic lifestyle, provides a bacterial evolutionary route that permits a pathogen to augment virulence and host-adaptability.
Kobra Salimiyan Rizi, Hadi Farsiani
doaj   +1 more source

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