نتایج جستجو برای: pcr ribotyping
تعداد نتایج: 175501 فیلتر نتایج به سال:
Genetic relationships among 132 strains of Vibrio vulnificus (clinical, environmental, and diseased-eel isolates from different geographic origins, as well as seawater and shellfish isolates from the western Mediterranean coast, including reference strains) were analyzed by random amplified polymorphic DNA (RAPD) PCR. Results were validated by ribotyping. For ribotyping, DNAs were digested with...
In this study, we evaluated three PCR methods for epidemiological typing of Burkholderia (Pseudomonas) cepacia--PCR-ribotyping, arbitrarily primed PCR (AP-PCR) and enterobacterial repetitive intergenic consensus sequence PCR (ERIC-PCR)--and compared them with pulsed-field gel electrophoresis. The analysis was performed with 31 isolates of B. cepacia, comprising 23 epidemiologically unrelated is...
Two typing methods were evaluated, utilizing 62 clinical strains of Pseudomonas aeruginosa, to assess their usefulness as tools to study the bacterial diversity within this complex group. Genetic diversity was determined by PCR ribotyping and enterobacterial repetitive intergenic consensus (ERIC) PCR. By these methods, 9 and 36 genotypes were found, respectively. The result showed that ERIC PCR...
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We evaluated a three-step algorithm for laboratory diagnosis of Clostridium difficile-associated diarrhoea (CDAD). First, stool specimens were screened using an EIA test for glutamate dehydrogenase detection. Screen-positive specimens were tested by a rapid cytotoxintoxin A/B assay and subjected to stool culture. All cultures positive for C. difficile underwent toxigenic culture. The results sh...
BACKGROUND AND OBJECTIVES Pseudomonas aeruginosa possesses a variety of virulence factors that may contribute to its pathogenicity. The aim of this study was to evaluate oprI, oprL and toxA genes for PCR identification of clinical P. aeruginosa. In order to find out any relation between special virulence factors and special manifestation of P. aeruginosa infections, we detected virulence factor...
Clostridioides difficile causes nosocomial outbreaks which can lead to severe and even life-threatening colitis. Rapid molecular diagnostic tests allow the identification of toxin-producing, potentially hypervirulent strains, is critical for patient management infection control. PCR-ribotyping has been used decades as reference standard investigate transmission in suspected outbreaks. However, ...
� سابقه وهدف : سالمونلا از مهمترین پاتوژنهای ایجاد کننده اسهال و بیماریهای ناشی از غذا در انسان می باشد. بیماری اغلب توسط مواد غذایی مانند گوشت ومرغ آلوده به انسان سرایت می کند .به دلیل اهمیت این ارگانیسم به عنوان یکی ازپاتوژنهای بیماریزا ، نیاز به شناسایی و تشخیص سریع آن توسط روشهای مولکولی می باشد. هدف از این مطالعه بررسی حساسیت تکنیک PCR-Ribotyping در شناسایی سویه های سالمونلا می باشد. م...
Background & Aim: Salmonella is the most important pathogenic microorganism causing food borne disease and diarrhea in humans. It could present as diarrhea, fever, vomiting and sometimes bloody diarrhea. Because of its' importance as one of the pathogens, it is essential to identify and characterize its serotypes by molecular methods. The aim of this study was to characterize PCR-Ribotyping...
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