clonal analysis of staphylococcus epidermidis isolates


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Clonal Analysis of Staphylococcus epidermidis Isolates

Staphylococcus epidermidis is part of the normal microflora of the human skin but is also a leading cause of device-associated infections in critically ill patients. Commensal and clinical S. epidermidis isolates differ in their ability to form biofilms on medical devices; the synthesis of biofilms is mediated by the icaADBC operon. Currently, the epidemiological relatedness between ica Clonal analysis of Staphylococcus epidermidis isolates Staphylococcus epidermidis is part of the normal microflora of the human skin but is also a leading cause of device-associated infections in critically ill patients. Commensal and clinical S. epidermidis isolates differ in their ability to form biofilms on medical devices; the synthesis of biofilms is mediated by the icaADBC operon. Clonal Analysis of Staphylococcus epidermidis Isolates Clonal Analysis of Staphylococcus epidermidis Isolates Carrying or Lacking Biofilm-Mediating Genes by Multilocus Sequence Typing October 2005 Journal of Clinical Microbiology 43(9):4751-7 Molecular analysis of Staphylococcus epidermidis strains Background:Staphylococcus epidermidis is a common cause of nosocomial infections worldwide. This study analyzed the differences in genetic endowment and clonal lineages with pathogenesis and resistance traits of S. epidermidis isolates collected from community and hospital environments (patients and healthcare staff) of the same ecological niche, time period, and geographical location in Genomic Analysis of Antibiotic-Resistant Staphylococcus Staphylococcus epidermidis isolates from public hospitals in uMgungundlovu exhibited several permutations and combinations of ARGs, virulence genes, and MGEs pointing to a complex milieu of mobilized antibiotic resistance and pathogenic characteristics in clonal and multiclonal strains. The study thus reiterates the need for the genomic Cluster analysis of ribotyping profiles of Staphylococcus Staphylococcus epidermidis is an opportunistic pathogen of major clinical interest for its high prevalence in implant-associated infections. However, only little information is available on the phylogeny of its major clonal entities and their virulence and resistance markers. Therefore, purpose of t Molecular Analysis of Staphylococcus epidermidisStrains Background:Staphylococcus epidermidis is a common cause of nosocomial infections worldwide. This study analyzed the differences in genetic endowment and clonal lineages with pathogenesis and resistance traits of S. epidermidis isolates collected from community and hospital environments (patients and healthcare staff) of the same ecological Staphylococcus epidermidis, Clonality and Accessory Gene Aug 05, 2018 · Methods:A total of 59 Staphylococcus epidermidis isolates were obtained from intensive care unit patients. The MLVA was performed for S. epidermidis isolates, using seven VNTR loci, including SE2395, SE0331, SE 828, SE1632, SE0175, Se2, and Se4. Specific primers were used for agr diversity determination. Differing lifestyles of Staphylococcus epidermidis as Kozitskaya S, Olson ME, Fey PD, Witte W, Ohlsen K, Ziebuhr W. Clonal analysis of Staphylococcus epidermidis isolates carrying or lacking biofilm-mediating genes by multilocus sequence typing. J Clin Microbiol. 2005; 43:47514757. [PMC free article] [Google Scholar] Clonal Emergence of Invasive Multidrug-Resistant Aug 01, 2018 · Given the high prevalence of S. epidermidis as a human commensal and the diverse genetic background of S. epidermidis isolates , the highly clonal nature of our invasive isolates was surprising. For example, we identified numerous instances of invasive S. epidermidis strains differing by 0 or 1 SNPs over the 2.5 million base pair genome. Inferring a population structure for Staphylococcus The 217 S. epidermidis isolates from our collection were split by MLST into 74 types, suggesting a high level of genetic diversity. Analysis of MLST data using the eBURST algorithm revealed the existence of nine epidemic clonal lineages that were disseminated worldwide. One single clonal lineage (clonal complex 2) comprised 74% of the isolates Molecular characterization of Staphylococcus epidermidis Apr 01, 2009 · Clonal analysis of Staphylococcus epidermidis isolates carrying or lacking biofilm-mediating genes by multilocus sequence typing. Kozitskaya S, Olson ME, Fey PD, Witte W, Ohlsen K, Ziebuhr W. J Clin Microbiol, (9):4751-4757 2005 MED:16145137 Genomic characterization of oxacillin-resistant Studies on the genetic diversity of oxacillin-resistant coagulase-negative staphylococcal (CNS) isolates are important for the control and prevention of infections. The present study evaluated the clonal diversity of oxacillin-resistant Staphylococcus epidermidis (ORSE) and Staphylococcus haemolytic Clonal Emergence of Invasive Multidrug-Resistant Jul 18, 2018 · Staphylococcus epidermidis is a prototypical pathobiont as it is a ubiquitous human commensal but also a leading cause of healthcare-associated bacteremia. We sought to determine the etiology of a recent increase in invasive S. epidermidis isolates resistant to linezolid. Prevalence, clonality, and pathogenicity of Staphylococcus May 30, 2017 · Staphylococcus epidermidis was isolated in 85.7% of cases, harbored no IS256 element, and mostly eed no biofilm. The isolates were separated into four main clusters by repetitive sequence-based PCR. 24% of the strains showed no antimicrobial resistance. 20% were resistant against four antibiotics of two different antibiotic classes. Staphylococcus epidermidis Colonization Is Highly Clonal

  • AbstractMethodsResultsDiscussionNotesStaphylococcus epidermidis is a common colonizer of the skin, oral, and nasal mucosa. Although it is usually part of the normal commensal flora, it is one of the most frequent causes of catheter- and device-related infections, including ventricular assist devices (VADs) [13]. More than 70% of hospital isolates may be methicillin-resistant S. epidermidis (MRSE), and the majority of them are multidrug resistant, which make these infections more difficult and expensive to treat [4, 5]. The clonality of StaphylococcuGenomic Analysis of Antibiotic-Resistant Staphylococcus Aug 05, 2021 · Staphylococcus epidermidis has become an important nosocomial pathogen. Multidrug resistance makes S. epidermidis infections difficult to treat. The study aims to describe the genomic characteristics of methicillin-resistant S. epidermidis (MRSE) isolated from clinical sources, to comprehend the genetic basis of antibiotic resistance, virulence, and potential pathogenicity. Spread of clonal linezolid-resistant Staphylococcus Feb 14, 2020 · The aim of the study was to determine factors associated with spread of linezolid (LNZ)-resistant Staphylococcus epidermidis isolates in a surgical intensive care unit (ICU). A case-control study was conducted in one French adult surgical ICU. From January 2012 to December 2016, patients with at least a single positive LNZ-resistant S. epidermidis blood culture were matched to control with Drug susceptibility and clonality of methicillin-resistant Apr 25, 2010 · Purpose. To evaluate the clonal relatedness and drug susceptibility of Streptococcus epidermidis isolated from hematological patients.. Methods. All S. epidermidis isolated from hematological patients who developed bloodstream infections between June 2005 and December 2007 were included. The clonal relationship was tested by means of pulsed-field gel electrophoresis Multicity Outbreak of Linezolid-Resistant Staphylococcus Oct 01, 2010 · Bacterial isolates were recovered from both medical centers (18 isolates from hospital A and 21 isolates from hospital B). In hospital A, 16 strains were identified as S. epidermidis, and 2 strains were identified as Staphylococcus haemolyticus. These strains were isolated from blood cultures from 11 different patients. Molecular Analysis of Staphylococcus epidermidis Strains Molecular Analysis of Staphylococcus epidermidis Strains Isolated from Community and Hospital Environments in China PLOS ONE , Dec 2019 Xin Du , Yuanjun Zhu , Yan Song , Tianming Li , Tao Luo , Gang Sun , Chongguang Yang , Cuiming Cao , Yuan Lu , Min Li Temporal Changes in Patient-Matched Staphylococcus Staphylococcus epidermidis is found naturally on the skin but is a common cause of persistent orthopaedic device-related infections (ODRIs). This study used a pan-genome and gene-by-gene approach to analyse the clonality of whole genome sequences (WGS) of 115 S. epidermidis isolates from 55 patients with persistent ODRIs. Analysis of the 522 gene core genome revealed that the Whole-genome sequence analysis of multidrug-resistant Jun 01, 2020 · Clonal analysis of Staphylococcus epidermidis isolates carrying or lacking biofilm-mediating genes by multilocus sequence typing J Clin Microbiol , 43 ( 2005 ) , pp. 4751 - 4757 View Record in Scopus Google Scholar Clonal spread of staphylococci among patients with Oct 01, 2000 · The four most frequently isolated staphylococcal species were Staphylococcus epidermidis (70 isolates), Staphylococcus aureus (31 isolates), Staphylococcus hemolyticus (10 isolates), and Staphylococcus hominis (4 isolates). PFGE analysis revealed the clonal spread among patients of three different clones of S. epidermidis and one clone of S Dissemination of linezolid-dependent, linezolid-resistant May 01, 2018 · Eight isolates belonged to ST22, two isolates each to ST168 and ST2 and one isolate each to ST5 and ST23. Ten isolates [seven belonging to ST22 and one to each of ST2, ST5 and ST168; all these STs belong to clonal complex (CC) 5] exhibited linezolid-dependent growth, growing significantly faster in linezolid-containing broth. Clonal relatedness of methicillin-resistant coagulase Feb 27, 2008 · PFGE analysis showed that the majority of MR S. epidermidis (27 out 32 isolates) fell into one pulsotype, arbitrarily named clone z. The remaining five S. epidermidis isolates, as well as the S. haemolyticus and the S. hominis isolates, fell into different clonal unrelated pulsotypes (Figure 1). Characterization of ocular methicillin-resistant Feb 12, 2014 · Clonal analysis of Staphylococcus epidermidis isolates carrying or lacking biofilm-mediating genes by multilocus sequence typing. J. Clin. Microbiol. 43:47514757. 10.1128/JCM.43.9.4751-4757.2005 [Europe PMC free article] [Google Scholar] Characteristics of oral methicillin-resistant May 09, 2020 · Cherifi, S. et al. Comparative epidemiology of Staphylococcus epidermidis isolates from patients with catheter-related bacteremia and from Heterogeneity of Staphylococcus epidermidis in prosthetic Oct 02, 2021 · Microbiological findings and genetic analyses. In total, 131 CoNS isolates as determined using MALDI-TOF MS were available from 62 patients with PJI, with S. epidermidis (n = 107; 85%), Staphylococcus capitis (n = 11; 8%), and Staphylococcus hominis (n = 8; 4%) as the most frequent species (Table 2, Supplementary Fig. S1).PFGE analysis of all 131 isolates and subsequent MLST Whole-genome sequencing of Staphylococcus epidermidis Oct 19, 2019 · Fig. 1 Whole-genome analysis of 161 Staphylococcus epidermidis bloodstream isolates. Shown (A-D) is the maximum-likelihood phylogeny that was inferred from an alignment of 131 022 core-genome single-nucleotide polymorphisms (SNPs) relative to the reference strain ATCC 12228 Genomic and Phenotypic Analysis of Linezolid-Resistant Whole genome sequencing is a useful tool to monitor the spread of resistance mechanisms in bacteria. In this retrospective study, we investigated genetic resistance mechanisms, sequence types (ST) and respective phenotypes of linezolid-resistant Staphylococcus epidermidis (LRSE, n = 129) recovered from a cohort of patients receiving or not receiving linezolid within a tertiary hospital in

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