Rickettsia conorii
Distribution of immunogenic epitopes on the two major immunodominant proteins (rOmpA and rOmpB) of Rickettsia conorii among the other rickettsiae of the spotted fever group.
... R. conorii Manuel, Indian tick typhus rickettsia, and Kenya tick typhus rickettsia also possessed all 29 epitopes, whereas the other rickettsiae of the spotted fever group (SFG) expressed between 3 ...
11
IL 6 and IL 8 production from cultured human endothelial cells stimulated by infection with Rickettsia conorii via a cell associated IL 1 alpha dependent pathway
... Mediterranean spotted fever due to infection by Rickettsia conorii, is characterized by a general vasculitis. This vasculitis is thought to be due to a direct injury to endothelial cells induced by R. ...
7
Diagnosis of Mediterranean spotted fever by cultivation of Rickettsia conorii from blood and skin samples using the centrifugation shell vial technique and by detection of R conorii in circulating endothelial cells: a 6 year follow up
... by Rickettsia conorii, an obli- gate intracellular ...R. conorii in skin biopsy specimens by using direct immunofluorescence (13), and, more recently, indirect immu- nofluorescence of ...R. ...
6
Kinetics of Antibody Responses in Rickettsia africae and Rickettsia conorii Infections
... by Rickettsia africae, is the most common tick-borne rickettsiosis in sub- Saharan ...to Rickettsia conorii also occurs in the region but is more prevalent in Mediterranean ...
5
Coinfection with “Rickettsia sibirica subsp mongolotimonae” and Rickettsia conorii in a Human Patient: a Challenge for Molecular Diagnosis Tools
... to Rickettsia mongolotimonae, Rickettsia sibirica, Rickettsia ...BJ-90, Rickettsia parkeri, and Israeli tick typhus ...from Rickettsia mongolotimonae, Rickettsia sibirica, ...
6
Intraocular inflammation as the main manifestation of <em>Rickettsia conorii</em> infection
... Results: Seven patients were referred for uveitis of unknown etiology. All came from regions where Mediterranean spotted fever is prevalent. One patient met the European guidelines criteria for Rickettsia spp. ...
7
Presence of Rickettsia conorii subsp israelensis, the Causative Agent of Israeli Spotted Fever, in Sicily, Italy, Ascertained in a Retrospective Study
... fever rickettsia isolates were sequenced in both the sense and antisense orientations (MWG-Biotech, Germany), and forward and reverse sequence data of each sample were aligned using the Bioedit program to obtain ...
5
Use of Highly Variable Intergenic Spacer Sequences for Multispacer Typing of Rickettsia conorii Strains
... R. conorii genome is the high density of repeated sequences ...named Rickettsia palindromic elements (RPE), have been identified in R. conorii and represent ...R. conorii the repeated ...
10
Multispacer typing of Rickettsia isolates from humans and ticks in Tunisia revealing new genotypes
... using Rickettsia conorii and Rickettsia typhi ...identify Rickettsia species, PCR targeting ompA, ompB and gltA genes followed by sequencing was performed on 18 obtained skin biopsies and on ...
7
Detection of Rickettsia in Rhipicephalus sanguineus Ticks and Ctenocephalides felis Fleas from Southeastern Tunisia by Reverse Line Blot Assay
... the Rickettsia genus are divided into two groups: the spotted fever group (SFG) and the typhus group ...by Rickettsia conorii and is a disease described for the first time in Tunisia (2) and the most ...
7
A Novel TaqMan Assay for Detection of Rickettsia 364D, the Etiologic Agent of Pacific Coast Tick Fever
... in Rickettsia 364D that did not occur in any of the prototypical isolates of ...(SFG) Rickettsia genomes (Rickettsia rhipicephali, Rickettsia massiliae, ...rickettsii, Rickettsia ...
7
Mediterranean spotted fever: clinical and laboratory characteristics of 415 Sicilian children
... A total of 415 patients were diagnosed with Rickettsia conorii infection during the study period. The annual inci- dence of MSF infection ranged from 29 cases in 2004 to 98 in 1999. Most of the cases (n = ...
5
Association of High Orientia tsutsugamushi DNA Loads with Disease of Greater Severity in Adults with Scrub Typhus
... of Rickettsia typhi, Rickettsia conorii, and Leptospira interrogans serovar Autumnalis (the last being selected because leptospirosis is a common cause of febrile illness in northeast Thailand and ...
5
Gene Sequence Based Criteria for Identification of New Rickettsia Isolates and Description of Rickettsia heilongjiangensis sp nov
... genera Rickettsia, Orientia, Ehrlichia, Anaplasma, Neorickettsia, and ...genus Rickettsia was divided into three groups on the basis of phenotypic criteria: the typhus group, the spotted fever group, and ...
10
Relevance of Gamma Interferon, Tumor Necrosis Factor Alpha, and Interleukin-10 Gene Polymorphisms to Susceptibility to Mediterranean Spotted Fever
... Several studies have demonstrated that cellular immunity plays a critical role in the protective immune response against Rickettsia conorii. Immune CD4 ⫹ and CD8 ⫹ T cells are both involved in the control ...
5
Rickettsia bellii, Rickettsia amblyommii, and Laguna Negra hantavirus in an Indian reserve in the Brazilian Amazon
... the rickettsia was through PCR and DNA sequencing of fragments of two rickettsial genes (gltA and ...and Rickettsia bellii, Rickettsia amblyommii were identified in Amblyomma cajennense ...
7
Comparison of Zoonotic Bacterial Agents in Fleas Collected from Small Mammals or Host-Seeking Fleas from a Ugandan Region Where Plague Is Endemic
... (6–11). Rickettsia felis, the causative agent of flea-borne spotted fever, is considered an important neglected agent in sub-Saharan Africa ...“Candidatus Rickettsia asemboensis” were detected in fleas ...
10
Differentiation of spotted fever group rickettsiae by sequencing and analysis of restriction fragment length polymorphism of PCR amplified DNA of the gene encoding the protein rOmpA
... R. conorii Seven; MOR, R. conorii Moroccan; M1, R. conorii M1; IND, ...R. conorii Indian tick typhus rickettsia; AST, Astrakhan fever rickettsia; ISR, Israeli tick typhus ...
8
Phylogenetic Placement of Rickettsiae from the Ticks Amblyomma americanum and Ixodes scapularis
... and Rickettsia montana M5/6) with re- spect to their putative sister species, we included them in a phylogenetic analysis of 9 Rickettsia species and 10 Rickettsia ...
13
High Prevalence of Rickettsia africae Variants in Amblyomma variegatum Ticks from Domestic Mammals in Rural Western Kenya: Implications for Human Health
... to Rickettsia typhi had been demonstrated using a complement fixation test in domestic ruminants in Egypt (Schmatz et ...TG rickettsia in these ...TG rickettsia was found to be low (Prabhu et ...
10