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Escherichia coli) responsible for urinary tract infections, as well as such E. coli strains (NMEC; Neonatal Meningitis Escherichia coli) that have a K1 capsule and cause meningitis in newborns [20, 38]. DEAC strains are an extremely heterogeneous group of potentially pathogenic E. coli, which are characterized by their diffuse adherence to epithelial cells, regardless of the type of adhesins produced from the Afa/Dr family of adhesins (Fig. 1). Fig. 1. Diffuse adherence to a human laryngeal carcinoma HEp

Michał Turniak, Beata Sobieszczańska

Postępy Mikrobiologii - Advancements of Microbiology , ISSUE 2, 143–152

Original Paper

The Usefulness of Chromogenic Media for Qualitative and Semi-Quantitative Diagnostic of Urinary Tract Infections


Polish Journal of Microbiology , ISSUE 2, 213–218


Antibiotic Resistance Among Uropathogenic Escherichia coli

Introduction Urinary tract infections (UTIs) are among the most common bacterial infections in humans (Bischoff et al. 2018). It is estimated that 40% of women and 12% of men experience a minimum one symptomatic UTI episode during their lifetimes, and 27 to 48% of the affected women suffer from recurrent UTIs (Braumbaugh et al. 2013; Micali et al. 2014). UTIs comprise about 40% of all hospital-acquired infections and 50% of bacterial infections that contribute to increased morbidity causing


Polish Journal of Microbiology , ISSUE 4, 403–415

Original Paper

3D/4D contrast-enhanced urosonography (ceVUS) in children – is it superior to the 2D technique?

Magdalena Maria Woźniak, Paweł Osemlak, Aikaterini Ntoulia, Halina Borzęcka, Beata Bieniaś, Agnieszka Brodzisz, Grzegorz Jędrzejewski, Anna Drelich-Zbroja, Maciej Powerski, Maciej Pech, Andrzej Paweł Wieczorek

Journal of Ultrasonography , ISSUE 73, 120–125

Original Paper

Expression of the Fluoroquinolones Efflux Pump Genes acrA and mdfA in Urinary Escherichia coli Isolates

Escherichia coli is one of the most frequent causes of urinary tract infections. Efflux system overexpression is reported to contribute to E. coli resistance to several antibiotics. Our aim in this study was to investigate the relation between antibiotic resistance and the expres­sion of the efflux pump genes acrA and mdfA in E. coli by real-time reverse transcription-PCR. We tested the in vitro susceptibilities to 12 antibiotics in 28 clinical isolates of E. coli obtained from urine

Sarah M. Abdelhamid, Rania R. Abozahra

Polish Journal of Microbiology , ISSUE 1, 25–30


Resensitization of Fluconazole-Resistant Urinary Candida spp. Isolates by Amikacin through Downregulation of Efflux Pump Genes

Introduction The urinary tract infections (UTIs) caused by various Candida spp. have been recognized by clinicians to be a growingly extensive and pervasive nosocomial issue (Bukhary 2008). It has been estimated that Candida spp. are in charge of about 10–15% of nosocomial UTIs (Alkilani et al. 2017). The presence of Candida in urine, a medical condition known as candiduria (Alkilani et al. 2017), if not correctly treated, might result in considerable morbidity and mortality rates (Goyal et al


Polish Journal of Microbiology , ISSUE 1, 73–84

Original Paper

Microbiology and Drug Resistance of Pathogens in Patients Hospitalized at the Nephrology Department in the South of Poland

Abstract A retrospective study was conducted among 498 patients with urinary tract infections (UTI) referred to our department from January 2013 to December 2015. This study was performed to evaluate the etiology of UTI and the antibiotic susceptibility profile of Escherichia coli (E. coli) as the main etiological factor in different age groups. Urine samples were examined using standard microbiological methods. Three hundred sixty-three samples (72.9%) were identified as E. coli, of which 29


Polish Journal of Microbiology , ISSUE 4, 517–524


Ultrasound screening for pyelectasis in pregnant women. Clinical necessity or “art for art’s sake”?

of pregnancy and in multiple pregnancies. Pyelectasis during pregnancy rarely causes clinical symptoms and often does not require treatment. Nevertheless, urine retention in the renal pelvicalyceal system is conducive to the development of asymptomatic bacteriuria and may be a risk factor for recurrent urinary tract infections, pyelonephritis and acute kidney failure; it may also cause renal colic. In consequence, this condition can lead to intrauterine infection and premature labor in the

Piotr Szkodziak

Journal of Ultrasonography , ISSUE 73, 152–157

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