Results 1 to 10 of about 3,168 (122)

Establishment of a Replicating Plasmid in Rickettsia prowazekii [PDF]

open access: yesPLoS ONE, 2012
Rickettsia prowazekii, the causative agent of epidemic typhus, grows only within the cytosol of eukaryotic host cells. This obligate intracellular lifestyle has restricted the genetic analysis of this pathogen and critical tools, such as replicating ...
Ulrike Munderloh   +2 more
exaly   +3 more sources

Improved Detection and Sequencing of Rickettsia spp. DNA in South African Wildlife [PDF]

open access: yesVeterinary Medicine and Science
Background Rickettsia spp. are obligate intracellular bacteria of the spotted fever group (SFG), typhus group (TG) and transitional group, with diverse vectors and significant zoonotic potential.
Carlo Andrea Cossu   +5 more
doaj   +3 more sources

Discovery of a Protective Rickettsia prowazekii Antigen Recognized by CD8+ T Cells, RP884, Using an In Vivo Screening Platform [PDF]

open access: yesPLoS ONE, 2013
Rickettsia prowazekii has been tested for biological warfare due to the high mortality that it produces after aerosol transmission of very low numbers of rickettsiae.
Michal Gazi   +2 more
exaly   +3 more sources

Adipose Tissue Serves as a Reservoir for Recrudescent Rickettsia prowazekii Infection in a Mouse Model [PDF]

open access: yesPLoS ONE, 2010
Brill-Zinsser disease, the relapsing form of epidemic typhus, typically occurs in a susceptible host years or decades after the primary infection; however, the mechanisms of reactivation and the cellular reservoir during latency are poorly understood ...
Didier Raoult   +2 more
exaly   +3 more sources

Involvement of Pore Formation and Osmotic Lysis in the Rapid Killing of Gamma Interferon-Pretreated C166 Endothelial Cells by Rickettsia prowazekii [PDF]

open access: yesTropical Medicine and Infectious Disease, 2022
Rickettsia prowazekii, the bacterial cause of epidemic typhus in humans, proliferates mainly within the microvascular endothelial cells. Previous studies have shown that murine macrophage-like RAW264.7 cells are rapidly damaged if they are pretreated ...
Jenifer Turco
doaj   +2 more sources

Genotyping Rickettsia prowazekii Isolates [PDF]

open access: yesEmerging Infectious Diseases, 2008
We developed a typing method that can differentiate 8 strains of Rickettsia prowazekii into 7 genotypes. This method can be used to type and trace the origin of R. prowazekii isolated from samples collected during epidemics after a bioterrorism attack.
Yong Zhu   +4 more
doaj   +2 more sources

Fluorescence Activated Cell Sorting of Rickettsia prowazekii-Infected Host Cells Based on Bacterial Burden and Early Detection of Fluorescent Rickettsial Transformants. [PDF]

open access: yesPLoS 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
doaj   +2 more sources

Design and Analysis of Engineered Proteins Containing Multi-Epitope and Immunodominant Domains Derived From ntigens [PDF]

open access: yesBioinformatics and Biology Insights
Epidemic louse-borne typhus caused by Rickettsia prowazekii and transmitted by the human body louse, remains a major public health threat in many developing regions. Historical records indicate that outbreaks have resulted in up to million cases annually,
Massrehaw Assnakew Abebe   +5 more
doaj   +2 more sources

Analysis of convergent gene transcripts in the obligate intracellular bacterium Rickettsia prowazekii. [PDF]

open access: yesPLoS ONE, 2011
Termination of transcription is an important component of bacterial gene expression. However, little is known concerning this process in the obligate intracellular pathogen and model for reductive evolution, Rickettsia prowazekii.
Andrew Woodard, David O Wood
doaj   +2 more sources

TlyC, a conserved hemolysin in Rickettsia, contributes to spotted fever pathogenesis in mice [PDF]

open access: yesMicrobiology Spectrum
Rickettsia circulates between mammalian hosts and hematophagous arthropod vectors by exploiting their intracellular environment. With advances in rickettsial genetic tools, recent studies have identified novel molecular mechanisms involved in Rickettsia ...
Luke Helminiak   +3 more
doaj   +2 more sources

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