Results 31 to 40 of about 3,523 (182)

Plasma membrane-located purine nucleotide transport proteins are key components for host exploitation by microsporidian intracellular parasites [PDF]

open access: yes, 2014
EH and TAW acknowledge support from the Marie Curie Fellowship Programme (HTTP://cordis.europa.eu/fp7/home_en.html). ERSK, JML and TME acknowledge support from the Wellcome Trust (www.wellcome.ac.uk/).
Eva Heinz (105025)   +72 more
core   +1 more source

Potassium permeability of Rickettsia prowazekii [PDF]

open access: yesJournal of Bacteriology, 1984
The potassium permeability of Rickettsia prowazekii was characterized by chemical measurement of the intracellular sodium and potassium pools and isotopic flux measurements with 86Rb+ as a tracer. R. prowazekii, in contrast to Escherichia coli, did not maintain a high potassium-to-sodium ratio in their cytoplasm except when the potassium-to-sodium ...
openaire   +2 more sources

Differential proteomic analysis of Rickettsia prowazekii propagated in diverse host backgrounds. [PDF]

open access: yesAppl Environ Microbiol, 2011
The obligate intracellular growth of Rickettsia prowazekii places severe restrictions on the analysis of rickettsial gene expression.
Tucker AM   +3 more
europepmc   +2 more sources

Unusual organization of the rRNA genes in Rickettsia prowazekii [PDF]

open access: yesJournal of Bacteriology, 1995
We describe here the organization of the rRNA genes in Rickettsia prowazekii. In this organism, the 23S and the 5S rRNA genes are tightly linked to each other, whereas the 16S rRNA gene is separated from this cluster. The 23S-5S unit is preceded by the methionyl-tRNAfMet formyltransferase gene.
S G, Andersson   +3 more
openaire   +2 more sources

Emerging bacterial infectious diseases/pathogens vectored by human lice

open access: yesTravel Medicine and Infectious Disease, 2023
Human lice have always been a major public health concern due to their vector capacity for louse-borne infectious diseases, like trench fever, louse-borne relapsing fever, and epidemic fever, which are caused by Bartonella quintana, Borrelia recurrentis,
Yuan-Ping Deng   +6 more
doaj   +1 more source

External layers of Rickettsia prowazekii and Rickettsia rickettsii: occurrence of a slime layer [PDF]

open access: yesInfection and Immunity, 1978
Using a simple specific-antibody stabilization procedure on organisms gently liberated from their host cells, we have demonstrated by electron microscopy that Rickettsia prowazekii and Rickettsia rickettsii possess a coat of variable thickness, external to the outer leaflet of the cell wall and the structure designated by others as a "microcapsule ...
D J, Silverman   +3 more
openaire   +2 more sources

Epidemic Typhus Imported from Algeria

open access: yesEmerging Infectious Diseases, 1999
We report epidemic typhus in a French patient returning from Algeria. The diagnosis was confirmed by serologic testing and the isolation of Rickettsia prowazekii in blood. Initially the patient was thought to have typhoid fever.
M. Niang, P. Brouqui, D. Raoult
doaj   +1 more source

Comparative ultrastructural study on the cell envelopes of Rickettsia prowazekii, Rickettsia rickettsii, and Rickettsia tsutsugamushi [PDF]

open access: yesInfection and Immunity, 1978
Rickettsia tsutsugamushi differs from other rickettsiae in its cell envelope organization. The differences were made evident through a comparative study of the outer envelope of R. tsutsugamushi, R. prowazekii, and R. rickettsii by electron microscopy.
D J, Silverman, C L, Wisseman
openaire   +2 more sources

Identifying Novel Inhibitors of RpFabG in Typhus-inducing Rickettsia prowazekii [PDF]

open access: yes, 2019
Epidemic typhus is a rickettsial disease that is contracted via ticks and lice found on the flying squirrel. The disease is caused by Rickettsia prowazekii, an intracellular, gram-negative coccobacillus.
Panatpur, Aparna
core   +1 more source

Analysis of the Rickettsia africae genome reveals that virulence acquisition in Rickettsia species may be explained by genome reduction

open access: yesBMC Genomics, 2009
Background The Rickettsia genus includes 25 validated species, 17 of which are proven human pathogens. Among these, the pathogenicity varies greatly, from the highly virulent R.
Audic Stéphane   +9 more
doaj   +1 more source

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