نتایج جستجو برای: pcr ribotyping
تعداد نتایج: 175501 فیلتر نتایج به سال:
We established a typing system for Prevotella intermedia and Prevotella nigrescens using the combination of PCR ribotyping and arbitrarily primed PCR (AP-PCR) fingerprinting and applied this system to the study of intrafamilial incidence of these species in the oral cavity. PCR ribotyping followed by subtyping by AP-PCR fingerprinting was applied to each type strain of P. intermedia and P. nigr...
We have evaluated the effectiveness of API 20E, Biolog testing, plasmid profiling, ribotyping, and enteric repetitive intergenic consensus (ERIC)-PCR to characterize, classify, and differentiate nine bacterial isolates of the common brewery contaminant Obesumbacterium proteus. Of the five typing techniques, Biolog testing, plasmid profiling, and ERIC-PCR provided the most differentiation, and A...
During a systematic survey, maternal carriage of Proteus mirabilis was found over a 25-day period in 18 pregnant women admitted to the delivery ward of our hospital maternity. Five neonates born to these mothers were found to be colonized with P. mirabilis. We report here on the use of DNA fingerprinting by the arbitrarily primed polymerase chain reaction technique (AP-PCR) for the epidemiologi...
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 fac...
زمینه و هدف: سالمونــلا، از مهم تریــن پاتوژن هــای ایجاد کننده اسهال و بیماری های ناشی از غذا در انسان می باشــد. از علایــم آن، اسهال، تــب، استفراغ و در برخــی مــوارد، اسهال خونــی است. به دلیل اهمیت این ارگانیسم به عنــوان یکــی از پاتوژن هــای بیماریــزا، شناسایــی و تشخیــص سریــع ایــن پاتــوژن و همچنین تمایز سروتیپ های آن از هم توسط روشهای مولکولی، لازم می باشد. هدف از این مطالعه، بررس...
BACKGROUND & OBJECTIVES Though not frequently but there are reports showing phacoemulsifiers as a potent source of infection in post-operative cases of endophthalmitis. This study was carried out to find antibiogram and genetic relatedness between Pseudomonas aeruginosa isolates from a post-cataract surgery endophthalmitis outbreak (3 patients) and internal tubings of 5 phacoemulsifiers. METH...
In December 1992, Enterobacter cloacae was isolated from the oropharynx and respiratory tract of six ventilated neonates hospitalized in the intensive care unit (ICU) of our hospital. To establish the spread of the outbreak, 41 strains of E. cloacae were analyzed for genotypic markers by three methods: plasmid profile analysis, ribotyping with EcoRI or PvuII endonuclease, and arbitrarily primed...
Fifty two isolates of atypical Aeromonas salmonicida, recovered from a wide range of hosts and geographical locations, were heterogeneous in terms of molecular and phenotypic characteristics, and represented taxa which could not be accommodated by the current classification of four subspecies. Generally, there was incongruence between the molecular (PCR, RAPD and ribotyping) and phenotypic meth...
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