نتایج جستجو برای: coxiella burnetii
تعداد نتایج: 2113 فیلتر نتایج به سال:
Coxiella burnetii Cb196, with a 2,006,415-bp genome, is a strain isolated from a 45-year-old man in Saudi Arabia with endocarditis. It belongs to the genotype MST51, which was detected for the first time only in this country. Cb196 shows more similarity to C. burnetii CbuK_Q154, belonging to genotype 8, which was phylogenetically close to MST51.
Myocarditis and pericarditis are uncommon complications of human rickettsial, ehrlichial and Bartonella infections. Myocardial inflammation usually occurs in the setting of acute disseminated infection. Organisms associated with myocarditis include: Rickettsia rickettsii, R. conorii, Orientia tsutsugamushi, Coxiella burnetii, Anaplasma phagocytophila (the causative agent of Human Granulocytic E...
The serological prevalence of Q fever in Mexico is unknown. A serological survey for Coxiella burnetii was undertaken on a randomly selected population of dairy cattle, beef cattle, goats and sheep flocks. Serological examination of animal sera for antibodies against Coxiella burnetii was carried out by the ELISA technique. The 28% of the dairy cattle and 10% of beef cattle examinated were anti...
The partition region qsopAB of the Coxiella burnetii plasmid QpH1 was analyzed. Locus qsopA alone appears to fulfill the partitioning function; QsopA represses its own promoter 17-fold. Two partition-associated incompatibility sites were identified: incA in a 200-bp region covering the qsopA promoter and incB in the qsopB locus.
Q fever endocarditis may be accompanied by immunological abnormalities complicating the diagnosis. We report two cases of mimicking lymphoma and ANCA-associated vasculitis illustrating immune disorders that can triggered Coxiella burnetii.
ABSTRACT Background and Objectives: Q fever is a zoonotic disease caused by an obligate gram-negative intracellular pathogen called Coxiella burnetii. The aim of this study was to determine the seroprevalence of anti-C. burnetii antibodies in bulk tank milk (BTM) samples of dairy cattle in west and northwest of Iran. Me...
We report results on the seroprevalence of antibodies to Coxiella burnetii in cattle and healthy people in Korea. Upon agreement with dairy owners, serum samples from 414 dairy cattle were collected between March and June 2001 and samples from 205 people for health screening were collected between April and December 2002. The sera were analyzed for the presence of anti-C. burnetii phase II anti...
Coxiella burnetii is thought to infect humans primarily via airborne transmission. However, air measurements of C. burnetii are sparse. We detected C. burnetii DNA in inhalable and PM10 (particulate matter with an aerodynamic size of 10 μm or less) dust samples collected at three affected goat farms, demonstrating that low levels of C. burnetii DNA are present in inhalable size fractions.
Background & Aim: Q fever is an important zoonotic disease caused by infection with Coxiella burnetii, a Gram negative, obligate intracellular bacterium classified within the order Legionellales. Farmers, veterinarians, abattoir workers and laboratory personnel are among persons at risk of Q fever. The aim of this study was to determine frequency of IgM anti-Coxiella burnetii antibodies in slau...
Q fever is a zoonotic disease that occurs worldwide and is caused by the obligate intracellular bacterium Coxiella burnetii. The aim of this study was to investigate the presence of C. burnetii infection in aborted sheep in eastern Turkey using PCR. A total of 200 fetuses were collected from aborted sheep belonging to 200 herds in different locations in the eastern part of Turkey. Foetal organ ...
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