Evaluation of Biofilm Formation and Prevalence of Multidrug-Resistant Strains of <i>Staphylococcus epidermidis</i> Isolated from Neonates with Sepsis in Southern Poland
<i>Staphylococcus epidermidis</i> strains play an important role in nosocomial infections, especially in the ones associated with biofilm formation on medical devices. The paper was aimed at analyzing the mechanisms of antibiotic resistance and confirming the biofilm-forming ability amon...
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doaj-0358e2f81bca45c397dc24436b3e166a2021-07-23T13:59:38ZengMDPI AGPathogens2076-08172021-07-011087787710.3390/pathogens10070877Evaluation of Biofilm Formation and Prevalence of Multidrug-Resistant Strains of <i>Staphylococcus epidermidis</i> Isolated from Neonates with Sepsis in Southern PolandIwona Skiba-Kurek0Paweł Nowak1Joanna Empel2Magdalena Tomczak3Joanna Klepacka4Iwona Sowa-Sierant5Iwona Żak6Bartosz Pomierny7Elżbieta Karczewska8Department of Pharmaceutical Microbiology, Faculty of Pharmacy, Jagiellonian University Medical College, Medyczna 9 Street, 30-688 Krakow, PolandDepartment of Pharmaceutical Microbiology, Faculty of Pharmacy, Jagiellonian University Medical College, Medyczna 9 Street, 30-688 Krakow, PolandDepartment of Epidemiology and Clinical Microbiology, National Medicines Institute, Chełmska 30/34 Street, 00-725 Warsaw, PolandDepartment of Epidemiology and Clinical Microbiology, National Medicines Institute, Chełmska 30/34 Street, 00-725 Warsaw, PolandDepartment of Clinical Microbiology, University Children’s Hospital of Krakow, Wielicka 256 Street, 30-663 Krakow, PolandDepartment of Clinical Microbiology, University Children’s Hospital of Krakow, Wielicka 256 Street, 30-663 Krakow, PolandDepartment of Clinical Microbiology, University Children’s Hospital of Krakow, Wielicka 256 Street, 30-663 Krakow, PolandDepartment of Toxicology, Faculty of Pharmacy, Jagiellonian University Medical College, Medyczna 9 Street, 30-688 Kraków, PolandDepartment of Pharmaceutical Microbiology, Faculty of Pharmacy, Jagiellonian University Medical College, Medyczna 9 Street, 30-688 Krakow, Poland<i>Staphylococcus epidermidis</i> strains play an important role in nosocomial infections, especially in the ones associated with biofilm formation on medical devices. The paper was aimed at analyzing the mechanisms of antibiotic resistance and confirming the biofilm-forming ability among <i>S. epidermidis</i> strains isolated from the blood of hospitalized newborns. Genetic analysis of resistance mechanism determinants included multiplex PCR detection of <i>mecA</i>, <i>ermA</i>, <i>ermB, ermC</i>, <i>msrA</i>, and <i>mef</i> genes. Biofilm analysis comprised phenotypic and genotypic methods including Christensen and Freeman methods and PCR detection of the <i>ica</i>ADB gene complex. Among the tested <i>S. epidermidis</i> strains, 89% of the isolates were resistant to methicillin, 67%—to erythromycin, 53%—to clindamycin, 63%—to gentamicin, and 23%—to teicoplanin, while all the strains were susceptible to vancomycin and linezolid. The <i>mecA</i> gene was detected in 89% of the isolates, the <i>ermC</i> gene was the most common and present among 56% of the strains, while the <i>msrA</i> gene was observed in 11% isolates. Eighty-five percent of the strains were described as biofilm-positive by phenotypic methods and carried the <i>icaADB</i> gene cluster. Multidrug resistance and the biofilm-forming ability in most of the strains tested may contribute to antimicrobial therapy failure (<i>p</i> < 0.05).https://www.mdpi.com/2076-0817/10/7/877<i>Staphylococcus epidermidis</i>antibiotic resistanceMRSEbiofilm<i>ica</i> genesneonatal septicemia |
collection |
DOAJ |
language |
English |
format |
Article |
sources |
DOAJ |
author |
Iwona Skiba-Kurek Paweł Nowak Joanna Empel Magdalena Tomczak Joanna Klepacka Iwona Sowa-Sierant Iwona Żak Bartosz Pomierny Elżbieta Karczewska |
spellingShingle |
Iwona Skiba-Kurek Paweł Nowak Joanna Empel Magdalena Tomczak Joanna Klepacka Iwona Sowa-Sierant Iwona Żak Bartosz Pomierny Elżbieta Karczewska Evaluation of Biofilm Formation and Prevalence of Multidrug-Resistant Strains of <i>Staphylococcus epidermidis</i> Isolated from Neonates with Sepsis in Southern Poland Pathogens <i>Staphylococcus epidermidis</i> antibiotic resistance MRSE biofilm <i>ica</i> genes neonatal septicemia |
author_facet |
Iwona Skiba-Kurek Paweł Nowak Joanna Empel Magdalena Tomczak Joanna Klepacka Iwona Sowa-Sierant Iwona Żak Bartosz Pomierny Elżbieta Karczewska |
author_sort |
Iwona Skiba-Kurek |
title |
Evaluation of Biofilm Formation and Prevalence of Multidrug-Resistant Strains of <i>Staphylococcus epidermidis</i> Isolated from Neonates with Sepsis in Southern Poland |
title_short |
Evaluation of Biofilm Formation and Prevalence of Multidrug-Resistant Strains of <i>Staphylococcus epidermidis</i> Isolated from Neonates with Sepsis in Southern Poland |
title_full |
Evaluation of Biofilm Formation and Prevalence of Multidrug-Resistant Strains of <i>Staphylococcus epidermidis</i> Isolated from Neonates with Sepsis in Southern Poland |
title_fullStr |
Evaluation of Biofilm Formation and Prevalence of Multidrug-Resistant Strains of <i>Staphylococcus epidermidis</i> Isolated from Neonates with Sepsis in Southern Poland |
title_full_unstemmed |
Evaluation of Biofilm Formation and Prevalence of Multidrug-Resistant Strains of <i>Staphylococcus epidermidis</i> Isolated from Neonates with Sepsis in Southern Poland |
title_sort |
evaluation of biofilm formation and prevalence of multidrug-resistant strains of <i>staphylococcus epidermidis</i> isolated from neonates with sepsis in southern poland |
publisher |
MDPI AG |
series |
Pathogens |
issn |
2076-0817 |
publishDate |
2021-07-01 |
description |
<i>Staphylococcus epidermidis</i> strains play an important role in nosocomial infections, especially in the ones associated with biofilm formation on medical devices. The paper was aimed at analyzing the mechanisms of antibiotic resistance and confirming the biofilm-forming ability among <i>S. epidermidis</i> strains isolated from the blood of hospitalized newborns. Genetic analysis of resistance mechanism determinants included multiplex PCR detection of <i>mecA</i>, <i>ermA</i>, <i>ermB, ermC</i>, <i>msrA</i>, and <i>mef</i> genes. Biofilm analysis comprised phenotypic and genotypic methods including Christensen and Freeman methods and PCR detection of the <i>ica</i>ADB gene complex. Among the tested <i>S. epidermidis</i> strains, 89% of the isolates were resistant to methicillin, 67%—to erythromycin, 53%—to clindamycin, 63%—to gentamicin, and 23%—to teicoplanin, while all the strains were susceptible to vancomycin and linezolid. The <i>mecA</i> gene was detected in 89% of the isolates, the <i>ermC</i> gene was the most common and present among 56% of the strains, while the <i>msrA</i> gene was observed in 11% isolates. Eighty-five percent of the strains were described as biofilm-positive by phenotypic methods and carried the <i>icaADB</i> gene cluster. Multidrug resistance and the biofilm-forming ability in most of the strains tested may contribute to antimicrobial therapy failure (<i>p</i> < 0.05). |
topic |
<i>Staphylococcus epidermidis</i> antibiotic resistance MRSE biofilm <i>ica</i> genes neonatal septicemia |
url |
https://www.mdpi.com/2076-0817/10/7/877 |
work_keys_str_mv |
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