Original Paper | 10-December-2018
Enterococcus faecalis and Enterococcus faecium are among the main agents associated with nosocomial infections with high mortality in immunocompromised patients. Antibiotic resistance, especially against gentamicin and vancomycin among Enterococci, is a risk factor that could increase the morbidity and mortality rate. 179 Enterococci isolates from burn patients were included in this study. Antibiotic susceptibility testing was done using the disk diffusion test and minimum inhibitory
MARYAM LABIBZADEH,
GHOLAM ABBAS KAYDANI,
MOHAMMAD SAVARI,
ALIREZA EKRAMI
Polish Journal of Microbiology, Volume 67 , ISSUE 4, 401–406
Original Paper | 04-December-2017
To overcome limitations in iron acquisition, enterococci have evolved a number of mechanisms to scavenge iron from the host iron-binding proteins – transferrin (TR) and lactoferrin (LF). The aim of this study was to demonstrate the mechanisms by which enterococci utilize human TR and LF bound iron. The study included two strains of Enterococcus faecalis grown in iron-deficient and iron-excess media respectively. The binding activity of both proteins was monitored using proteins labelled
Paweł Lisiecki
Polish Journal of Microbiology, Volume 66 , ISSUE 4, 419–425
Original Paper | 28-June-2017
. Antibiotic susceptibility testing was performed by the disk diffusion method and E-test. Resistance genes (mecA in staphylococci; vanA/vanB/vanC in enterococci; blaKPC/blaVIM/blaNDM in Klebsiella spp.) were detected by PCR. In total, 4607 (9.7%) blood cultures were positive from 47451 sets sent to Department of Microbiology, representing 1732 BSIs. Gram-negative bacteria (52.3%) were the most commonly isolated, followed by Gram-positive (39.5%), fungi (6.6%) and anaerobes bacteria (1.8%). The
Fevronia Kolonitsiou,
Matthaios Papadimitriou-Olivgeris,
Anastasia Spiliopoulou,
Vasiliki Stamouli,
Vasileios Papakostas,
Eleni Apostolopoulou,
Christos Panagiotopoulos,
Markos Marangos,
Evangelos D. Anastassiou,
Myrto Christofidou,
Iris Spiliopoulou
Polish Journal of Microbiology, Volume 66 , ISSUE 2, 171–180
Original Paper | 28-June-2017
. Multiple enterocin structural genes were found in 7 strains. None of the tested enterococci demonstrated anyβ-haemolytic activity and only one strain had gelatinase activity. Six strains showed multiple antibiotic resistance patterns and in addition, vanA and several virulence genes were detected in many strains. Only E. faecalis MBE1-9 showed tyrosine decarboxylase activity and tdc gene was detected only in this strain.
Mine Avci,
Banu Özden Tuncer
Polish Journal of Microbiology, Volume 66 , ISSUE 2, 223–233
Article | 10-June-2019
1.
Introduction
Enterococci are Gram-positive bacteria which belong to facultatively anaerobic cocci. They occur mainly in the intestines, where they constitute natural microflora, protecting against pathogens. They generally have the form of diplococci or short chains. The genus Enterococcus is comprised of 38 species, but only some of them are clinically relevant – these include Enterococcus faecalis, E. faecium, E. gallinarum and E. casseliflavus [1, 2]. The first species is very often
Wojciech Rogóż,
Daniel Sypniewski,
Ilona Bednarek
Postępy Mikrobiologii - Advancements of Microbiology, Volume 58 , ISSUE 1, 35–48