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Short Communication

Global Transcriptome Changes of Biofilm-Forming Staphylococcus epidermidis Responding to Total Alkaloids of Sophorea alopecuroides

Transcriptome changes of biofilm-forming Staphylococcus epidermidis response to total alkaloids of Sophorea alopecuroides was observed. Bioinformatic analyses were further used to compare the differential gene expression between control and the treated samples. It was found that 282 genes were differentially expressed, with 92 up-regulated and 190 down-regulated. These involved down-regulation of the sulfur metabolism pathway. It was suggested that inhibitory effects on Staphylococcus

CUI-PING GUAN, HUI-XIA LUO, H.E. FANG, XUE-ZHANG ZHOU

Polish Journal of Microbiology , ISSUE 2, 223–226

Short Communication

Characterization of Staphylococcal Cassette Chromosome mec (SCCmec) in Methicillin-Resistant Staphylococcus epidermidis Strains Isolated from Biomaterial-Associated Infections and their Antibiotic Resistance Patterns

This work aims to provide an insight into staphylococcal cassette chromosome mec elements and antibiotic resistance in clinical isolates of Staphylococcus epidermidis. The dominating type was SCCmec – IV. Fifteen isolates were assigned to SCCmec type III, two isolates to SCCmec type II. Most isolates were resistant to at least three of the non-β-lactam antibiotics tested. None of the strains exhibited resistance to new generation antibiotics, such as daptomycin and linezolid. Also

Ewa Szczuka, Karolina Bosacka, Adam Kaznowski

Polish Journal of Microbiology , ISSUE 2, 215–217

Research Article

FROM A COMMENSAL TO A PATHOGEN – TWO FACES OFSTAPHYLOCOCCUS EPIDERMIDIS

Staphylococcus epidermidis is a commensal organism and the most abundant constituent of the healthy human skin and mucous membrane microbiota. It is well adapted to colonize and evade human antimicrobial barriers. Staphylococcus epidermidis not only competes with potentially harmful pathogens, but also produces a plethora of proteins supporting host natural defenses. At the same time, Staphylococcus epidermidis is an opportunistic pathogen recognized as one of the leading causes of healthcare

Beata Podgórska, Danuta Kędzia

Postępy Mikrobiologii - Advancements of Microbiology , ISSUE 4, 338–348

Short Communication

Susceptibility of Vascular Implants to Colonization in vitro by Staphylococcus aureus, Staphylococcus epidermidis, Enterococcus faecalis and Pseudomonas aeruginosa

We compared association of Staphylococcus aureus, Staphylococcus epidermidis, Pseudomonas aeruginosa and Enterococcus faecalis with nine vascular implants after co-culture. Vascular implants were composed of various materials such as warp knitted polyester (with or without gelatin and silver ions), expanded polytetrafluoroethylene and biological materials – surface treated porcine pericardial patch and Omniflow II. The lowest overall number of associated bacteria was detected for

Witold Woźniak, Aleksandra Kozińska, Piotr Ciostek, Izabela Sitkiewicz

Polish Journal of Microbiology , ISSUE 1, 125–129

Research Article

STAPHYLOCOCCUS EPIDERMIDISAS A CAUSATIVE AGENTOF HEALTHCARE - ASSOCIATED INFECTIONS

Beata Podgórska, Danuta Kędzia

Postępy Mikrobiologii - Advancements of Microbiology , ISSUE 4, 348–359

Original Paper

Antistaphylococcal Activity of Selected Thiourea Derivatives

biofilms of methicillin-resistant and standard strains of Staphylococcus epidermidis. Inhibitory activity of thioureas 2 and 3 against Staphylococcus aureus topoisomerase IV was studied. The examined compounds were nongenotoxic.

Joanna Stefańska, Karolina Stępień, Anna Bielenica, Małgorzata Wrzosek, Marta Struga

Polish Journal of Microbiology , ISSUE 4, 451–460

Original Paper

Isolation of Bacteriocin-producing Staphylococcus spp. Strains from Human Skin Wounds, Soft Tissue Infections and Bovine Mastitis

A collection of 206 Staphylococcus spp. isolates was investigated for their ability to produce compounds exhibiting antistaphylococcal activity. This group included Staphylococcus aureus, Staphylococcus epidermidis, Staphylococcus xylosus strains recovered from bovine mastitis (n = 158) and human skin wounds and soft tissues infections (n = 48). Production of substances with antimicrobial activity was observed in six strains. Five of them were recovered from bovine mastitis, and one was

MAGDALENA ZALEWSKA, JOHN J. CHUREY, RANDY W. WOROBO, SŁAWOMIR MILEWSKI, PIOTR SZWEDA

Polish Journal of Microbiology , ISSUE 2, –

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