Results 21 to 30 of about 19,814 (240)

Acute febrile illness is associated with Rickettsia spp infection in dogs [PDF]

Parasites & Vectors, 2015
Background Rickettsia conorii is transmitted by Rhipicephalus sanguineus ticks and causes Mediterranean Spotted Fever (MSF) in humans. Although dogs are considered the natural host of the vector, the clinical and epidemiological significance of R ...
Laia Solano-Gallego, Alessandra Caprì, Maria Grazia Pennisi, Marco Caldin, Tommaso Furlanello, Michele Trotta   +5 more
doaj   +3 more sources

Confirmation of Rickettsia conorii Subspecies indica Infection by Next-Generation Sequencing, Shandong, China. [PDF]

Emerg Infect Dis, 2021
We describe 3 similar cases of rickettsial disease that occurred after tick bites in a mountainous rural area of Shandong Province, China. Next-generation sequencing indicated the etiologic agent of 1 patient was Rickettsia conorii subspecies indica ...
Xu N, Gai W, Zhang Y, Wang W, Wang G, Dasch GA, Eremeeva ME.   +6 more
europepmc   +2 more sources

Rickettsia conorii survival in THP-1 macrophages involves host lipid droplet alterations and active rickettsial protein production. [PDF]

Cell Microbiol, 2021
Rickettsia conorii is a Gram‐negative, cytosolic intracellular bacterium that has classically been investigated in terms of endothelial cell infection. However, R.
Allen PE, Noland RC, Martinez JJ.
europepmc   +2 more sources

Peripheral Axonal Neuropathy in Hemophagocytic Lymphohistiocytosis Secondary to Rickettsia conorii Infection. [PDF]

Cureus
Hemophagocytic lymphohistiocytosis (HLH) is a rare and potentially fatal hyperinflammatory syndrome characterized by dysregulated immune activation and systemic inflammation.
Henriques A, Guerra M, Ramalho AR, Coimbra A, Lima J.   +4 more
europepmc   +2 more sources

Identifying New Areas of Endemicity and Risk Factors for <i>Rickettsia conorii</i> subsp. <i>conorii</i> Infection: Serosurvey in Rural Areas of Romania. [PDF]

Pathogens
Background: Mediterranean spotted fever (MSF) is an emerging tick-borne disease caused by Rickettsia conorii subsp. conorii, primarily prevalent in Mediterranean and Southern Europe. We aimed to evaluate MSF seroprevalence and risk factors in non-endemic
Cheran CA, Panciu AM, Riciu CD, Nedelcu IM, Iacob DG, Hristea A.   +5 more
europepmc   +2 more sources

Preliminary Evidence of Rickettsia slovaca and Rickettsia conorii Infection in the Sera of Sheep, Dogs and Deer from an Area of Northern Spain. [PDF]

Pathogens, 2021
Limited information is available on the presence of rickettsial infection in animal reservoirs in Spain. Antibodies against Rickettsia slovaca and Rickettsia conorii were therefore sought in the sera of farm, domestic and wild animals (n = 223 samples ...
Lledó L, Giménez-Pardo C.
europepmc   +2 more sources

<i>Ehrlichia canis</i> and <i>Rickettsia conorii</i> Infections in Shelter Dogs: Seropositivity and Implications for Public Health. [PDF]

Pathogens
A cross-sectional study was conducted to gain insight into the epidemiology of canine ehrlichiosis and rickettsiosis in northern Portugal. Specific IgG antibodies to Ehrlichia canis were analysed using a commercial enzyme-linked immunosorbent assay ...
Afonso P, Lopes AP, Quintas H, Cardoso L, Coelho AC.   +4 more
europepmc   +2 more sources

Survival of Rickettsia conorii in artificially contaminated whole and leukoreduced canine blood units during the storage period. [PDF]

Parasit Vectors, 2020
The ability of tick-borne agents to survive in stored blood bags is a key factor for their transmissibility by blood transfusion. The aim of this study was to evaluate the survival and potential infectivity of Rickettsia conorii (RC) in artificially ...
Lucchese L, Ravagnan S, Da Rold G, Toniolo F, Wurzburger W, Mion M, Carminato A, Fournier PE, Capelli G, Natale A, Vascellari M.   +10 more
europepmc   +2 more sources

Rickettsia conorii O antigen is the target of bactericidal Weil-Felix antibodies. [PDF]

Proc Natl Acad Sci U S A, 2019
Significance Genetic analysis of Rickettsia has been difficult. We developed a transposon and selection scheme to facilitate the isolation of Rickettsia conorii mutants with insertional lesions. Here, we demonstrate that the R.
Kim HK, Premaratna R, Missiakas DM, Schneewind O.   +3 more
europepmc   +2 more sources

Nonselective Persistence of a Rickettsia conorii Extrachromosomal Plasmid during Mammalian Infection. [PDF]

Infect Immun, 2016
Riley SP, Fish AI, Garza DA, Banajee KH, Harris EK, del Piero F, Martinez JJ.   +6 more
europepmc   +4 more sources