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The incidence of extended-spectrum β-lactamases (ESBLs) was analyzed in Enterobacteriaceae population circulating in the Upper Silesian Child and Mother Health Center in Katowice (USC&MHC). Altogether 1164 clinical specimens, collected from children hospitalized in 8 different hospital units of USC&MHC were investigated. Five hundred and eighty-five clinical isolates of the family Enterobacteriaceae...
Urinary tract infections are frequently caused by Proteus mirabilis strains. In the previous studies there were defined the complete structures of O-polysaccharide parts of lipopolysaccharides from strains: P. mirabilis O3 (S1959), P. mirabilis O9 and P. mirabilis O18. In the present study it was investigated bactericidal effect of normal human serum (NHS) to P. mirabilis strains. We also focused...
Proteus mirabilis isolates (n=177), collected between 1996 and 2000 in four hospitals in the West Pomeranian area of Poland, were characterized by antibiotype and pulsed-field gel electrophoresis (PFGE). The selected isolates were collected from different wards (intensive care unit, surgery, internal medicine, and urology). The strains were cultured from various specimen types, mostly from urine,...
The serological cross-reactivity between lipopolysaccharides (LPS) of S.fidelis KMM3582Τ and rabbit anti-O P. mirabilis antibodies was tested. Using ELISA and Western blot cross-reactivity between S.fidelis LPS and antisera against P. mirabilis O14, O3 LPSs was found. The observed cross-reaction may suggest that anti-E mirabilis S1959 (03) antibodies may bind to the internal part of S. fidelis O-polysaccharides...
To analyze the microcalorimetric behaviour of Escherichia coli, Proteus mirabilis and Klebsiella pneumoniae, and to test the prospective use of microcalorimetry in the early diagnosis of infections by enterobacteria. For our experiments we used cultures of E. coli, P. mirabilis and K. pneumoniae. For the experimental setup, we used a Calvet microcalorimeter with the constant temperature of 309 K inside...
The objectives of the investigation presented in this paper were: to examine the frequency of P. mirabilis isolation from catheters and assess the complexity of multi-species biofilms which these bacteria form, as well as to determine the vulnerability of planktonic and sessile P. mirabilis populations to popular antibiotics and compare it to the susceptibility of other Gram-negative bacteria isolated...
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