Analysis of clonality and antibiotic resistance among early clinical isolates of Enterococcus faecium in the United States.

PubWeight™: 1.42‹?› | Rank: Top 5%

🔗 View Article (PMC 2784011)

Published in J Infect Dis on November 15, 2009

Authors

Jessica R Galloway-Peña1, Sreedhar R Nallapareddy, Cesar A Arias, George M Eliopoulos, Barbara E Murray

Author Affiliations

1: Department of Internal Medicine, Division of Infectious Diseases, University of Texas Medical School at Houston, 6431 Fannin Street, Houston, TX 77030, USA.

Articles citing this

The rise of the Enterococcus: beyond vancomycin resistance. Nat Rev Microbiol (2012) 4.64

Emergence of epidemic multidrug-resistant Enterococcus faecium from animal and commensal strains. MBio (2013) 2.20

Multidrug-resistant enterococci lack CRISPR-cas. MBio (2010) 2.11

Antimicrobial resistance and virulence: a successful or deleterious association in the bacterial world? Clin Microbiol Rev (2013) 2.01

Restricted gene flow among hospital subpopulations of Enterococcus faecium. MBio (2012) 1.92

Characterization of the ebp(fm) pilus-encoding operon of Enterococcus faecium and its role in biofilm formation and virulence in a murine model of urinary tract infection. Virulence (2011) 1.80

Population biology of Gram-positive pathogens: high-risk clones for dissemination of antibiotic resistance. FEMS Microbiol Rev (2011) 1.66

Intrinsic and acquired resistance mechanisms in enterococcus. Virulence (2012) 1.59

Genomic and SNP analyses demonstrate a distant separation of the hospital and community-associated clades of Enterococcus faecium. PLoS One (2012) 1.54

Complete genome sequence of Enterococcus faecium strain TX16 and comparative genomic analysis of Enterococcus faecium genomes. BMC Microbiol (2012) 1.43

Genomic insights to control the emergence of vancomycin-resistant enterococci. MBio (2013) 1.37

IS element IS16 as a molecular screening tool to identify hospital-associated strains of Enterococcus faecium. BMC Infect Dis (2011) 1.24

The hylEfm gene in pHylEfm of Enterococcus faecium is not required in pathogenesis of murine peritonitis. BMC Microbiol (2011) 1.18

Genome-wide identification of ampicillin resistance determinants in Enterococcus faecium. PLoS Genet (2012) 1.17

Molecular epidemiology of vancomycin-resistant Enterococcus faecium: a prospective, multicenter study in South American hospitals. J Clin Microbiol (2010) 1.12

Global spread of the hyl(Efm) colonization-virulence gene in megaplasmids of the Enterococcus faecium CC17 polyclonal subcluster. Antimicrob Agents Chemother (2010) 1.07

Analysis of PBP5 of early U.S. isolates of Enterococcus faecium: sequence variation alone does not explain increasing ampicillin resistance over time. Antimicrob Agents Chemother (2011) 1.06

Recent recombination events in the core genome are associated with adaptive evolution in Enterococcus faecium. Genome Biol Evol (2013) 1.04

Global Emergence and Dissemination of Enterococci as Nosocomial Pathogens: Attack of the Clones? Front Microbiol (2016) 1.03

A swordless knight: epidemiology and molecular characteristics of the blaKPC-negative sequence type 258 Klebsiella pneumoniae clone. J Clin Microbiol (2012) 0.99

Microevolutionary events involving narrow host plasmids influences local fixation of vancomycin-resistance in Enterococcus populations. PLoS One (2013) 0.97

Population biology of intestinal enterococcus isolates from hospitalized and nonhospitalized individuals in different age groups. Appl Environ Microbiol (2014) 0.94

Enterococcal endocarditis: can we win the war? Curr Infect Dis Rep (2012) 0.88

Dogs leaving the ICU carry a very large multi-drug resistant enterococcal population with capacity for biofilm formation and horizontal gene transfer. PLoS One (2011) 0.87

Characterization of a vancomycin-resistant Enterococcus faecium outbreak caused by 2 genetically different clones at a neonatal intensive care unit. Ann Lab Med (2011) 0.85

Response of corneal epithelial cells to Staphylococcus aureus. Virulence (2010) 0.84

Regional spread and control of vancomycin-resistant Enterococcus faecium and Enterococcus faecalis in Kyoto, Japan. Eur J Clin Microbiol Infect Dis (2011) 0.82

Molecular analysis of vanA outbreak of Enterococcus faecium in two Warsaw hospitals: the importance of mobile genetic elements. Biomed Res Int (2014) 0.82

ICESluvan, a 94-kilobase mosaic integrative conjugative element conferring interspecies transfer of VanB-type glycopeptide resistance, a novel bacitracin resistance locus, and a toxin-antitoxin stabilization system. J Bacteriol (2013) 0.81

Drug-resistant and hospital-associated Enterococcus faecium from wastewater, riverine estuary and anthropogenically impacted marine catchment basin. BMC Microbiol (2014) 0.81

[Resistance to "last resort" antibiotics in Gram-positive cocci: The post-vancomycin era]. Biomedica (2014) 0.80

Evolutionary origins of the emergent ST796 clone of vancomycin resistant Enterococcus faecium. PeerJ (2017) 0.80

CcpA is important for growth and virulence of Enterococcus faecium. Infect Immun (2014) 0.79

Identification of a novel clone, ST736, among Enterococcus faecium clinical isolates and its association with daptomycin nonsusceptibility. Antimicrob Agents Chemother (2014) 0.78

Mini-review: Epidemiology and zoonotic potential of multiresistant bacteria and Clostridium difficile in livestock and food. GMS Hyg Infect Control (2014) 0.75

Differential Penicillin-Binding Protein 5 (PBP5) Levels in the Enterococcus faecium Clades with Different Levels of Ampicillin Resistance. Antimicrob Agents Chemother (2016) 0.75

Articles cited by this

Plasmid-mediated resistance to vancomycin and teicoplanin in Enterococcus faecium. N Engl J Med (1988) 16.74

The life and times of the Enterococcus. Clin Microbiol Rev (1990) 16.58

NHSN annual update: antimicrobial-resistant pathogens associated with healthcare-associated infections: annual summary of data reported to the National Healthcare Safety Network at the Centers for Disease Control and Prevention, 2006-2007. Infect Control Hosp Epidemiol (2008) 13.49

Detection of glycopeptide resistance genotypes and identification to the species level of clinically relevant enterococci by PCR. J Clin Microbiol (1995) 12.98

Vancomycin-resistant enterococci. Lancet (1988) 11.27

DNA fingerprinting of Enterococcus faecium by pulsed-field gel electrophoresis may be a useful epidemiologic tool. J Clin Microbiol (1991) 5.86

Multilocus sequence typing scheme for Enterococcus faecium. J Clin Microbiol (2002) 5.09

Variant esp gene as a marker of a distinct genetic lineage of vancomycin-resistant Enterococcus faecium spreading in hospitals. Lancet (2001) 4.52

Virulence of enterococci. Clin Microbiol Rev (1994) 4.32

Nosocomial outbreak due to Enterococcus faecium highly resistant to vancomycin, penicillin, and gentamicin. Clin Infect Dis (1993) 4.28

Outbreak of multidrug-resistant Enterococcus faecium with transferable vanB class vancomycin resistance. J Clin Microbiol (1994) 3.61

Vancomycin-resistant enterococci from nosocomial, community, and animal sources in the United States. Antimicrob Agents Chemother (1996) 3.48

Endocarditis and biofilm-associated pili of Enterococcus faecalis. J Clin Invest (2006) 3.33

Global spread of vancomycin-resistant Enterococcus faecium from distinct nosocomial genetic complex. Emerg Infect Dis (2005) 3.32

High-level penicillin resistance among isolates of enterococci. Implications for treatment of enterococcal infections. Ann Intern Med (1989) 3.02

Increasing resistance to beta-lactam antibiotics among clinical isolates of Enterococcus faecium: a 22-year review at one institution. Antimicrob Agents Chemother (1991) 3.00

Resistance to beta-lactam antibiotics in Streptococcus faecium. Antimicrob Agents Chemother (1982) 2.68

High-level resistance to gentamicin in clinical isolates of Streptococcus (Enterococcus) faecium. Antimicrob Agents Chemother (1988) 2.59

Bactericidal activity of deptomycin (LY146032) compared with those of ciprofloxacin, vancomycin, and ampicillin against enterococci as determined by kill-kinetic studies. Antimicrob Agents Chemother (1987) 2.59

Enterococci highly resistant to penicillin and ampicillin: an emerging clinical problem? J Clin Microbiol (1989) 2.51

Analysis by PCR and direct DNA sequencing of gyrA mutations associated with fluoroquinolone resistance in Enterococcus faecalis. Antimicrob Agents Chemother (1994) 2.43

Assessing the reliability of eBURST using simulated populations with known ancestry. BMC Microbiol (2007) 2.36

Identification of high-risk enterococcal clonal complexes: global dispersion and antibiotic resistance. Curr Opin Microbiol (2006) 2.35

Concomitant high-level vancomycin and penicillin resistance in clinical isolates of enterococci. Clin Infect Dis (1992) 2.29

A potential virulence gene, hylEfm, predominates in Enterococcus faecium of clinical origin. J Infect Dis (2003) 2.29

In vivo testing of an Enterococcus faecalis efaA mutant and use of efaA homologs for species identification. FEMS Immunol Med Microbiol (1998) 2.21

Emergence of CC17 Enterococcus faecium: from commensal to hospital-adapted pathogen. FEMS Immunol Med Microbiol (2008) 2.13

Emergence and nosocomial transmission of ampicillin-resistant enterococci. Antimicrob Agents Chemother (1992) 2.07

Clinical and molecular epidemiology of vancomycin-resistant Enterococcus faecium during its emergence in a city in southern Texas. Clin Infect Dis (1995) 1.97

A novel putative enterococcal pathogenicity island linked to the esp virulence gene of Enterococcus faecium and associated with epidemicity. J Bacteriol (2004) 1.90

Streptococcus faecium outbreak in a neonatal intensive care unit. J Clin Microbiol (1984) 1.81

Emergence and management of drug-resistant enterococcal infections. Expert Rev Anti Infect Ther (2008) 1.80

Enterococcal surface protein Esp is important for biofilm formation of Enterococcus faecium E1162. J Bacteriol (2007) 1.73

A polyclonal outbreak of predominantly VanB vancomycin-resistant enterococci in northeast Ohio. Northeast Ohio Vancomycin-Resistant Enterococcus Surveillance Program. Clin Infect Dis (1999) 1.64

Laboratory detection of high-level aminoglycoside-aminocyclitol resistance in Enterococcus spp. J Clin Microbiol (1988) 1.63

Expression of two distinct types of pili by a hospital-acquired Enterococcus faecium isolate. Microbiology (2008) 1.62

Five genes encoding surface-exposed LPXTG proteins are enriched in hospital-adapted Enterococcus faecium clonal complex 17 isolates. J Bacteriol (2007) 1.48

Identification and phenotypic characterization of a second collagen adhesin, Scm, and genome-based identification and analysis of 13 other predicted MSCRAMMs, including four distinct pilus loci, in Enterococcus faecium. Microbiology (2008) 1.47

A functional collagen adhesin gene, acm, in clinical isolates of Enterococcus faecium correlates with the recent success of this emerging nosocomial pathogen. Infect Immun (2008) 1.47

Transferable capacity for gastrointestinal colonization in Enterococcus faecium in a mouse model. J Infect Dis (2009) 1.30

Distribution of genes encoding MSCRAMMs and Pili in clinical and natural populations of Enterococcus faecium. J Clin Microbiol (2009) 1.25

Impact of specific pbp5 mutations on expression of beta-lactam resistance in Enterococcus faecium. Antimicrob Agents Chemother (2004) 1.21

In vitro activity of the trinem sanfetrinem (GV104326) against gram-positive organisms. Antimicrob Agents Chemother (1996) 1.02

Enterococcus faecium low-affinity pbp5 is a transferable determinant. Antimicrob Agents Chemother (2005) 0.92

Emergence of ampicillin-resistant Enterococcus faecium in Danish hospitals. J Antimicrob Chemother (2008) 0.86

Polymorphisms of the pbp5 gene and correlation with ampicillin resistance in Enterococcus faecium isolates of animal origin. J Med Microbiol (2007) 0.84

Articles by these authors

Clinical practice guidelines by the infectious diseases society of america for the treatment of methicillin-resistant Staphylococcus aureus infections in adults and children. Clin Infect Dis (2011) 11.49

Clinical practice guidelines by the infectious diseases society of america for the treatment of methicillin-resistant Staphylococcus aureus infections in adults and children: executive summary. Clin Infect Dis (2011) 6.71

Relationship of MIC and bactericidal activity to efficacy of vancomycin for treatment of methicillin-resistant Staphylococcus aureus bacteremia. J Clin Microbiol (2004) 6.65

Accessory gene regulator (agr) locus in geographically diverse Staphylococcus aureus isolates with reduced susceptibility to vancomycin. Antimicrob Agents Chemother (2002) 4.83

The rise of the Enterococcus: beyond vancomycin resistance. Nat Rev Microbiol (2012) 4.64

Antibiotic-resistant bugs in the 21st century--a clinical super-challenge. N Engl J Med (2009) 4.42

Accessory gene regulator group II polymorphism in methicillin-resistant Staphylococcus aureus is predictive of failure of vancomycin therapy. Clin Infect Dis (2004) 4.29

10 x '20 Progress--development of new drugs active against gram-negative bacilli: an update from the Infectious Diseases Society of America. Clin Infect Dis (2013) 4.07

Acquisition of a natural resistance gene renders a clinical strain of methicillin-resistant Staphylococcus aureus resistant to the synthetic antibiotic linezolid. Mol Microbiol (2007) 3.47

Endocarditis and biofilm-associated pili of Enterococcus faecalis. J Clin Invest (2006) 3.33

Genetic basis for in vivo daptomycin resistance in enterococci. N Engl J Med (2011) 3.20

Point: Vancomycin is not obsolete for the treatment of infection caused by methicillin-resistant Staphylococcus aureus. Clin Infect Dis (2007) 3.05

Persistent bacteremia due to methicillin-resistant Staphylococcus aureus infection is associated with agr dysfunction and low-level in vitro resistance to thrombin-induced platelet microbicidal protein. J Infect Dis (2004) 2.83

Reduced susceptibility to vancomycin influences pathogenicity in Staphylococcus aureus infection. J Infect Dis (2009) 2.72

Large scale variation in Enterococcus faecalis illustrated by the genome analysis of strain OG1RF. Genome Biol (2008) 2.71

Influence of origin of isolates, especially endocarditis isolates, and various genes on biofilm formation by Enterococcus faecalis. Infect Immun (2004) 2.69

Induction of daptomycin heterogeneous susceptibility in Staphylococcus aureus by exposure to vancomycin. Antimicrob Agents Chemother (2006) 2.50

Multilocus sequence typing scheme for Enterococcus faecalis reveals hospital-adapted genetic complexes in a background of high rates of recombination. J Clin Microbiol (2006) 2.49

Linezolid resistance in sequential Staphylococcus aureus isolates associated with a T2500A mutation in the 23S rRNA gene and loss of a single copy of rRNA. J Infect Dis (2004) 2.48

Staphylococcus aureus accessory gene regulator (agr) group II: is there a relationship to the development of intermediate-level glycopeptide resistance? J Infect Dis (2003) 2.44

Reduced susceptibility of Staphylococcus aureus to vancomycin and platelet microbicidal protein correlates with defective autolysis and loss of accessory gene regulator (agr) function. Antimicrob Agents Chemother (2005) 2.34

A potential virulence gene, hylEfm, predominates in Enterococcus faecium of clinical origin. J Infect Dis (2003) 2.29

Linezolid resistance in Staphylococcus aureus: characterization and stability of resistant phenotype. J Infect Dis (2002) 2.18

Adaptation of methicillin-resistant Staphylococcus aureus in the face of vancomycin therapy. Clin Infect Dis (2006) 2.01

Efficacy of daptomycin in experimental endocarditis due to methicillin-resistant Staphylococcus aureus. Antimicrob Agents Chemother (2003) 2.01

Molecular typing of selected Enterococcus faecalis isolates: pilot study using multilocus sequence typing and pulsed-field gel electrophoresis. J Clin Microbiol (2002) 1.98

Virulence effect of Enterococcus faecalis protease genes and the quorum-sensing locus fsr in Caenorhabditis elegans and mice. Infect Immun (2002) 1.96

Galleria mellonella as a model system to study Acinetobacter baumannii pathogenesis and therapeutics. Antimicrob Agents Chemother (2009) 1.86

Role of the Enterococcus faecalis GelE protease in determination of cellular chain length, supernatant pheromone levels, and degradation of fibrin and misfolded surface proteins. J Bacteriol (2003) 1.85

Clinical isolates of Enterococcus faecium exhibit strain-specific collagen binding mediated by Acm, a new member of the MSCRAMM family. Mol Microbiol (2003) 1.85

Characterization of the ebp(fm) pilus-encoding operon of Enterococcus faecium and its role in biofilm formation and virulence in a murine model of urinary tract infection. Virulence (2011) 1.80

Emergence and management of drug-resistant enterococcal infections. Expert Rev Anti Infect Ther (2008) 1.80

An Enterococcus faecalis ABC homologue (Lsa) is required for the resistance of this species to clindamycin and quinupristin-dalfopristin. Antimicrob Agents Chemother (2002) 1.79

Serine/threonine phosphatase Stp1 contributes to reduced susceptibility to vancomycin and virulence in Staphylococcus aureus. J Infect Dis (2012) 1.78

Antecedent treatment with different antibiotic agents as a risk factor for vancomycin-resistant Enterococcus. Emerg Infect Dis (2002) 1.77

Dissemination of methicillin-resistant Staphylococcus aureus USA300 sequence type 8 lineage in Latin America. Clin Infect Dis (2009) 1.77

Importance of the ebp (endocarditis- and biofilm-associated pilus) locus in the pathogenesis of Enterococcus faecalis ascending urinary tract infection. J Infect Dis (2007) 1.74

Comparison of OG1RF and an isogenic fsrB deletion mutant by transcriptional analysis: the Fsr system of Enterococcus faecalis is more than the activator of gelatinase and serine protease. J Bacteriol (2006) 1.71

Daptomycin nonsusceptibility in Staphylococcus aureus with reduced vancomycin susceptibility is independent of alterations in MprF. Antimicrob Agents Chemother (2007) 1.68

Effects of prolonged vancomycin administration on methicillin-resistant Staphylococcus aureus (MRSA) in a patient with recurrent bacteraemia. J Antimicrob Chemother (2006) 1.66

Molecular characterization of a widespread, pathogenic, and antibiotic resistance-receptive Enterococcus faecalis lineage and dissemination of its putative pathogenicity island. J Bacteriol (2005) 1.66

A family of putative MSCRAMMs from Enterococcus faecalis. Microbiology (2004) 1.63

Whole genome characterization of the mechanisms of daptomycin resistance in clinical and laboratory derived isolates of Staphylococcus aureus. PLoS One (2012) 1.59

Construction of improved temperature-sensitive and mobilizable vectors and their use for constructing mutations in the adhesin-encoding acm gene of poorly transformable clinical Enterococcus faecium strains. Appl Environ Microbiol (2006) 1.59

Failure of daptomycin monotherapy for endocarditis caused by an Enterococcus faecium strain with vancomycin-resistant and vancomycin-susceptible subpopulations and evidence of in vivo loss of the vanA gene cluster. Clin Infect Dis (2007) 1.55

Genomic and SNP analyses demonstrate a distant separation of the hospital and community-associated clades of Enterococcus faecium. PLoS One (2012) 1.54

Prokaryote-eukaryote interactions identified by using Caenorhabditis elegans. Proc Natl Acad Sci U S A (2008) 1.51

Cotransfer of antibiotic resistance genes and a hylEfm-containing virulence plasmid in Enterococcus faecium. Antimicrob Agents Chemother (2009) 1.51

Identification and phenotypic characterization of a second collagen adhesin, Scm, and genome-based identification and analysis of 13 other predicted MSCRAMMs, including four distinct pilus loci, in Enterococcus faecium. Microbiology (2008) 1.47

A functional collagen adhesin gene, acm, in clinical isolates of Enterococcus faecium correlates with the recent success of this emerging nosocomial pathogen. Infect Immun (2008) 1.47

Involvement of PhoP-PhoS homologs in Enterococcus faecalis virulence. Infect Immun (2002) 1.46

MRSA USA300 clone and VREF--a U.S.-Colombian connection? N Engl J Med (2008) 1.44

Contribution of the collagen adhesin Acm to pathogenesis of Enterococcus faecium in experimental endocarditis. Infect Immun (2008) 1.43

Conventional and molecular epidemiology of trimethoprim-sulfamethoxazole resistance among urinary Escherichia coli isolates. Am J Med (2003) 1.43

Complete genome sequence of Enterococcus faecium strain TX16 and comparative genomic analysis of Enterococcus faecium genomes. BMC Microbiol (2012) 1.43

Importance of the collagen adhesin ace in pathogenesis and protection against Enterococcus faecalis experimental endocarditis. PLoS Pathog (2010) 1.43

Correlation between mutations in liaFSR of Enterococcus faecium and MIC of daptomycin: revisiting daptomycin breakpoints. Antimicrob Agents Chemother (2012) 1.41

Evidence that the enterococcal polysaccharide antigen gene (epa) cluster is widespread in Enterococcus faecalis and influences resistance to phagocytic killing of E. faecalis. Infect Immun (2002) 1.39

Evaluation of standard- and high-dose daptomycin versus linezolid against vancomycin-resistant Enterococcus isolates in an in vitro pharmacokinetic/pharmacodynamic model with simulated endocardial vegetations. Antimicrob Agents Chemother (2012) 1.38

Development of reduced vancomycin susceptibility in methicillin-susceptible Staphylococcus aureus. Clin Infect Dis (2009) 1.36

Daptomycin-resistant Enterococcus faecalis diverts the antibiotic molecule from the division septum and remodels cell membrane phospholipids. MBio (2013) 1.35

Inoculum effect with cefazolin among clinical isolates of methicillin-susceptible Staphylococcus aureus: frequency and possible cause of cefazolin treatment failure. Antimicrob Agents Chemother (2009) 1.35

The Enterococcus faecalis fsrB gene, a key component of the fsr quorum-sensing system, is associated with virulence in the rabbit endophthalmitis model. Infect Immun (2002) 1.33

Fsr-independent production of protease(s) may explain the lack of attenuation of an Enterococcus faecalis fsr mutant versus a gelE-sprE mutant in induction of endocarditis. Infect Immun (2005) 1.33

Relative contributions of Enterococcus faecalis OG1RF sortase-encoding genes, srtA and bps (srtC), to biofilm formation and a murine model of urinary tract infection. Infect Immun (2007) 1.32

Transferable plasmid-mediated resistance to linezolid due to cfr in a human clinical isolate of Enterococcus faecalis. Antimicrob Agents Chemother (2012) 1.31

Clinical and microbiological aspects of linezolid resistance mediated by the cfr gene encoding a 23S rRNA methyltransferase. J Clin Microbiol (2008) 1.30

Importance of gls24 in virulence and stress response of Enterococcus faecalis and use of the Gls24 protein as a possible immunotherapy target. J Infect Dis (2004) 1.29

Transcriptional response of Enterococcus faecalis V583 to erythromycin. Antimicrob Agents Chemother (2005) 1.28

Evaluation of endocarditis caused by methicillin-susceptible Staphylococcus aureus developing nonsusceptibility to daptomycin. J Clin Microbiol (2007) 1.28

Reversion to susceptibility in a linezolid-resistant clinical isolate of Staphylococcus aureus. J Antimicrob Chemother (2004) 1.28

Effects of glucose on fsr-mediated biofilm formation in Enterococcus faecalis. J Infect Dis (2004) 1.26

Ligand-signaled upregulation of Enterococcus faecalis ace transcription, a mechanism for modulating host-E. faecalis interaction. Infect Immun (2006) 1.26

Distribution of genes encoding MSCRAMMs and Pili in clinical and natural populations of Enterococcus faecium. J Clin Microbiol (2009) 1.25

Whole-genome analysis of a daptomycin-susceptible enterococcus faecium strain and its daptomycin-resistant variant arising during therapy. Antimicrob Agents Chemother (2012) 1.25

Decreased virulence of a gls24 mutant of Enterococcus faecalis OG1RF in an experimental endocarditis model. Infect Immun (2005) 1.25

Mechanism for sortase localization and the role of sortase localization in efficient pilus assembly in Enterococcus faecalis. J Bacteriol (2009) 1.23

Daptomycin resistance in enterococci is associated with distinct alterations of cell membrane phospholipid content. PLoS One (2012) 1.23