Results 21 to 30 of about 20,005 (252)

Rickettsia conorii Subspecies israelensis in Captive Baboons. [PDF]

Emerg Infect Dis, 2023
Hamadryas baboons (Papio hamadryas) may transmit zoonotic vector-borne pathogens to visitors and workers frequenting zoological parks. We molecularly screened 33 baboons for vector-borne pathogens.
Sgroi G, Iatta R, Carelli G, Uva A, Cavalera MA, Laricchiuta P, Otranto D.   +6 more
europepmc   +2 more sources

A Small Non-Coding RNA Mediates Transcript Stability and Expression of Cytochrome bd Ubiquinol Oxidase Subunit I in Rickettsia conorii. [PDF]

Int J Mol Sci, 2023
Small regulatory RNAs (sRNAs) are now widely recognized for their role in the post-transcriptional regulation of bacterial virulence and growth. We have previously demonstrated the biogenesis and differential expression of several sRNAs in Rickettsia ...
Narra HP, Alsing J, Sahni A, Montini M, Zafar Y, Sahni SK.   +5 more
europepmc   +2 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

<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

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

The dog as an epidemiological marker of Rickettsia conorii infection [PDF]

Clinical Microbiology and Infection, 2009
Department of Medicine, Universitat Auto`noma de Barcelona(UAB), Barcelona, SpainINTRODUCTIONDogs are considered to be the sentinels of Rick-ettsia conorii infection, which is the causative agentof Mediterranean spotted fever, one of the mostprevalent tick-transmitted disease in our area.
A. Ortuño, I. Pons, María Mercedes Nogueras, Joaquím Castellá, F. Segura   +4 more
openalex   +4 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