نتایج جستجو برای: brucella abos
تعداد نتایج: 6264 فیلتر نتایج به سال:
brucella is a facultative intracellular pathogen, and brucellosis is commonest zoonotic disease worldwide. brucella species, isolated from domestic animals, are important pathogen for humans. annually, more than 500,000 new cases of brucellosis are reported, and this figure is an underestimate due to extended under-reporting cases in several endemic countries. brucella has a variety of virulenc...
brucellosis is one of the most common zoonotic diseases in iran and human brucellosis is endemic in all parts of the country. growth of brucella is slow and blood culture of these bacteria by use of classical methods is time-consuming. furthermore, in endemic area culture is required for definitive diagnosis. in the present study, direct urease test and acridine orange staining were tried on th...
Pathogens are detected by innate immune receptors that, upon activation, orchestrate an appropriate immune response. Recent studies revealed the intracellular signaling cascades involved in the TLR-initiated immune response to Brucella abortus infection. However, no report has elucidated the role of inflammasome receptors in Brucella recognition. Therefore, we decided to investigate the functio...
OBJECTIVE Brucella endocarditis is a rare complication of Brucella infection; however, it is the major cause of deaths in those infected with this disease. In this study, we aim to discuss the results of seven cases who underwent surgery for Brucella endocarditis in our clinic using the knowledge gathered through the literature. METHODS We reviewed seven patients with Brucella endocarditis, w...
UNLABELLED Brucella species are Gram-negative bacteria that infect mammals. Recently, two unusual strains (Brucella inopinata BO1(T) and B. inopinata-like BO2) have been isolated from human patients, and their similarity to some atypical brucellae isolated from Australian native rodent species was noted. Here we present a phylogenomic analysis of the draft genome sequences of BO1(T) and BO2 and...
When Brucella suis is grown in tissue cultures of normal guinea pig macrophages, the Brucella multiplies significantly without the induction of osmotically sensitive forms. In immune macrophages in the presence of normal guinea pig serum, there is a reduction in the number of intracellular Brucella and no multiplication is seen over a 72-hr period. After 6 hr of exposure to immune macrophages, ...
The microaerophilic nature of Campylobacter fetus has complicated its recovery from human and animal sources. In this study, modifications of brucella agar and broth were tested for enhancement of growth and aerotolerance of 64 strains of C. fetus, representing each subspecies. Brucella agar supplemented with 0.025% each FeSO4 7H2O, sodium metabisulfite, and sodium pyruvate, supported growth of...
Recently, gram-negative bacteria isolated from a variety of marine mammals have been identified as Brucella species by conventional phenotypic analysis. This study found the 16S rRNA gene from one representative isolate was identical to the homologous sequences of Brucella abortus, B. melitensis, B. canis, and B. suis. IS711-based DNA fingerprinting of 23 isolates from marine mammals showed all...
Canine brucellosis is a zoonotic disease caused by Brucella canis. The establishment of intracellular replicative niches of B. canis is mediated by proteins secreted by the type IV secretion system, which is encoded by the virB operon. The characterization of such genes has been conducted in other species of the genus, but not in B. canis. We report the design of a multiplex PCR test for the de...
introduction brucella endocarditis, although an uncommon complication of brucellosis, is the main cause of the mortality related to this disease. the best therapy is a combination of antibiotic administration with valve replacement. after treatment of the first episode of endocarditis, new infection may be occurred as a relapse or reinfection. case presentation in this report, we described a pa...
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