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E. Tzelepi · SciRah

Researcher profile · Semantic Scholar

E. Tzelepi

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E. Tzelepi — researcher profile on SciRah

h-index: 31
Works: 85
Citations: 3,369

Most-cited papers

CTX-M-type β-lactamases: an emerging group of extended-spectrum enzymes
L. Tzouvelekis, E. Tzelepi, P. Tassios, N. Legakis
2000282 citations
Semantic Scholar
Imipenem Resistance in a Salmonella Clinical Strain Due to Plasmid-Mediated Class A Carbapenemase KPC-2
V. Miriagou, L. Tzouvelekis, S. Rossiter, E. Tzelepi +2 more
2003Antimicrobial Agents and Chemotherapy220 citations Open access
Semantic Scholar
Public health surveillance of multidrug-resistant clones of Neisseria gonorrhoeae in Europe: a genomic survey
S. Harris, M. Cole, G. Spiteri, L. Sánchez-Busó +55 more
2018Lancet. Infectious Diseases (Print)185 citations Open access
Semantic Scholar
Detection of Extended-Spectrum β-Lactamases in Clinical Isolates of Enterobacter cloacae andEnterobacter aerogenes
E. Tzelepi, P. Giakkoupi, D. Sofianou, V. Loukova +2 more
2000Journal of Clinical Microbiology170 citations Open access
Semantic Scholar
Escherichia coli with a Self-Transferable, Multiresistant Plasmid Coding for Metallo-β-Lactamase VIM-1
V. Miriagou, E. Tzelepi, D. Gianneli, L. Tzouvelekis
2003Antimicrobial Agents and Chemotherapy145 citations Open access
Semantic Scholar
IBC-1, a Novel Integron-Associated Class A β-Lactamase with Extended-Spectrum Properties Produced by anEnterobacter cloacae Clinical Strain
P. Giakkoupi, L. Tzouvelekis, A. Tsakris, V. Loukova +2 more
2000Antimicrobial Agents and Chemotherapy130 citations Open access
Semantic Scholar
Emergence of an inhibitor-resistant beta-lactamase (SHV-10) derived from an SHV-5 variant
E. Prinarakis, V. Miriagou, E. Tzelepi, Maria Gazouli +1 more
1997Antimicrobial Agents and Chemotherapy125 citations Open access
Semantic Scholar
Novel GES/IBC extended-spectrum beta-lactamase variants with carbapenemase activity in clinical enterobacteria.
S. Vourli, P. Giakkoupi, V. Miriagou, E. Tzelepi +2 more
2004FEMS Microbiology Letters110 citations
Semantic Scholar
Sequence of the Gene Encoding a Plasmid-Mediated Cefotaxime-Hydrolyzing Class A β-Lactamase (CTX-M-4): Involvement of Serine 237 in Cephalosporin Hydrolysis
M. Gazouli, E. Tzelepi, S. Sidorenko, L. Tzouvelekis
1998Antimicrobial Agents and Chemotherapy99 citations Open access
Semantic Scholar
Spread of a Salmonella typhimurium Clone Resistant to Expanded-Spectrum Cephalosporins in Three European Countries
P. Tassios, Maria Gazouli, E. Tzelepi, H. Milch +4 more
1999Journal of Clinical Microbiology97 citations Open access
Semantic Scholar
CTX-M-type beta-lactamases: an emerging group of extended-spectrum enzymes.
L. Tzouvelekis, E. Tzelepi, P. Tassios, N. Legakis
2000International Journal of Antimicrobial Agents96 citations
Semantic Scholar
IS26-Associated In4-Type Integrons Forming Multiresistance Loci in Enterobacterial Plasmids
V. Miriagou, A. Carattoli, E. Tzelepi, L. Villa +1 more
2005Antimicrobial Agents and Chemotherapy88 citations Open access
Semantic Scholar
Sources of diversity of carbapenem resistance levels in Klebsiella pneumoniae carrying blaVIM-1.
A. Loli, L. S. Tzouvelekis, E. Tzelepi, A. Carattoli +3 more
2006Journal of Antimicrobial Chemotherapy87 citations Open access
Semantic Scholar
WGS analysis and molecular resistance mechanisms of azithromycin-resistant (MIC >2 mg/L) Neisseria gonorrhoeae isolates in Europe from 2009 to 2014.
S. Jacobsson, D. Golparian, M. Cole, G. Spiteri +18 more
2016Journal of Antimicrobial Chemotherapy81 citations Open access
Semantic Scholar
Helicobacter pylori infection in spouses of patients with duodenal ulcers and comparison of ribosomal RNA gene patterns.
S. Georgopoulos, A. Mentis, C. A. Spiliadis, L. S. Tzouvelekis +3 more
1996Gut81 citations Open access
Semantic Scholar
Two novel plasmid-mediated cefotaxime-hydrolyzing beta-lactamases (CTX-M-5 and CTX-M-6) from Salmonella typhimurium.
M. Gazouli, E. Tzelepi, A. Markogiannakis, N. Legakis +1 more
1998FEMS Microbiology Letters79 citations
Semantic Scholar
Identification of a novel plasmid-mediated beta-lactamase with chromosomal cephalosporinase characteristics from Klebsiella pneumoniae.
L. S. Tzouvelekis, E. Tzelepi, A. Mentis, Athanasios Tsakris
1993Journal of Antimicrobial Chemotherapy73 citations
Semantic Scholar
An integron-associated beta-lactamase (IBC-2) from Pseudomonas aeruginosa is a variant of the extended-spectrum beta-lactamase IBC-1.
A. Mavroidi, E. Tzelepi, A. Tsakris, V. Miriagou +2 more
2001Journal of Antimicrobial Chemotherapy68 citations
Semantic Scholar
Extended-spectrum beta-lactamase types in Klebsiella pneumoniae and Escherichia coli in two Greek hospitals.
E. Tzelepi, Ch Magana, E. Platsouka, D. Sofianou +4 more
2003International Journal of Antimicrobial Agents64 citations
Semantic Scholar
Outbreak of Infections Caused by Enterobacter cloacae Producing the Integron-Associated β-Lactamase IBC-1 in a Neonatal Intensive Care Unit of a Greek Hospital
G. Kartali, E. Tzelepi, S. Pournaras, C. Kontopoulou +4 more
2002Antimicrobial Agents and Chemotherapy58 citations Open access
Semantic Scholar
Comparative Biochemical and Computational Study of the Role of Naturally Occurring Mutations at Ambler Positions 104 and 170 in GES β-Lactamases
S. Kotsakis, V. Miriagou, E. Tzelepi, L. Tzouvelekis
2010Antimicrobial Agents and Chemotherapy47 citations Open access
Semantic Scholar
Detection of metallo-β-lactamase genes in clinical specimens by a commercial multiplex PCR system.
A. Avlami, S. Bekris, G. Ganteris, E. Kraniotaki +10 more
2010Journal of Microbiological Methods46 citations
Semantic Scholar
A plasmid-mediated beta-lactamase conferring resistance to cefotaxime in a Salmonella typhimurium clone found in St Petersburg, Russia.
Maria Gazouli, S. V. Sidorenko, E. Tzelepi, N. Kozlova +2 more
1998Journal of Antimicrobial Chemotherapy45 citations
Semantic Scholar
Klebsiella pneumoniae infections in Greek hospitals. Dissemination of plasmids encoding an SHV-5 type beta-lactamase.
N. Legakis, L. S. Tzouvelekis, G. Hatzoudis, E. Tzelepi +3 more
1995Journal of Hospital Infection39 citations
Semantic Scholar
The ongoing challenge of acquired carbapenemases: a hospital outbreak of Klebsiella pneumoniae simultaneously producing VIM-1 and KPC-2.
A. Zioga, V. Miriagou, E. Tzelepi, E. Douzinas +4 more
2010International Journal of Antimicrobial Agents36 citations
Semantic Scholar
Characterization of In111, a class 1 integron that carries the extended-spectrum beta-lactamase gene blaIBC-1.
S. Vourli, L. S. Tzouvelekis, E. Tzelepi, E. Lebessi +2 more
2003FEMS Microbiology Letters36 citations Open access
Semantic Scholar
Multidrug-Resistant Strains of Neisseria gonorrhoeae in Greece
A. Mavroidi, L. Tzouvelekis, K. Kyriakis, H. Avgerinou +2 more
2001Antimicrobial Agents and Chemotherapy36 citations Open access
Semantic Scholar
Activity of imipenem against VIM-1 metallo-beta-lactamase-producing Klebsiella pneumoniae in the murine thigh infection model.
G. Daikos, Αγγελική Παναγιωτακοπούλου, E. Tzelepi, A. Loli +2 more
2007Clinical Microbiology and Infection35 citations Open access
Semantic Scholar
CMY-31 and CMY-36 Cephalosporinases Encoded by ColE1-Like Plasmids
A. Zioga, J. Whichard, S. Kotsakis, L. S. Tzouvelekis +2 more
2008Antimicrobial Agents and Chemotherapy32 citations Open access
Semantic Scholar
Study of an outbreak of cefoxitin-resistant Klebsiella pneumoniae in a general hospital
M. Gazouli, M. Kaufmann, E. Tzelepi, H. Dimopoulou +2 more
1997Journal of Clinical Microbiology32 citations Open access
Semantic Scholar
High prevalence of stably derepressed class-I beta-lactamase expression in multiresistant clinical isolates of Enterobacter cloacae from Greek hospitals.
E. Tzelepi, L. S. Tzouvelekis, A. Vatopoulos, A. Mentis +2 more
1992Journal of Medical Microbiology31 citations
Semantic Scholar
OmpK35 and OmpK36 porin variants associated with specific sequence types of Klebsiella pneumoniae
C. Papagiannitsis, P. Giakkoupi, S. Kotsakis, E. Tzelepi +3 more
2013Journal of chemotherapy28 citations
Semantic Scholar
Detrimental effect of the combination of R164S with G238S in TEM-1 beta-lactamase on the extended-spectrum activity conferred by each single mutation.
P. Giakkoupi, E. Tzelepi, P. Tassios, N. Legakis +1 more
2000Journal of Antimicrobial Chemotherapy27 citations Open access
Semantic Scholar
Sporadic Emergence of Klebsiella pneumoniae Strains Resistant to Cefepime and Cefpirome in Greek Hospitals
L. S. Tzouvelekis, E. Tzelepi, E. Prinarakis, Maria Gazouli +4 more
1998Journal of Clinical Microbiology27 citations Open access
Semantic Scholar
Characterization of a Transmissible Plasmid Encoding VEB-1 and VIM-1 in Proteus mirabilis
C. Papagiannitsis, V. Miriagou, S. Kotsakis, E. Tzelepi +3 more
2012Antimicrobial Agents and Chemotherapy25 citations Open access
Semantic Scholar
Cluster of multidrug-resistant Neisseria gonorrhoeae with reduced susceptibility to the newer cephalosporins in Northern Greece.
E. Tzelepi, M. Daniilidou, V. Miriagou, Eirini Siatravani +2 more
2008Journal of Antimicrobial Chemotherapy25 citations
Semantic Scholar
Diversity of acquired β-lactamases amongst Klebsiella pneumoniae in Greek hospitals.
C. Papagiannitsis, K. Tryfinopoulou, P. Giakkoupi, O. Pappa +4 more
2012International Journal of Antimicrobial Agents24 citations Open access
Semantic Scholar
Substitution of Arg-244 by Cys or Ser in SHV-1 and SHV-5 beta-lactamases confers resistance to mechanism-based inhibitors and reduces catalytic efficiency of the enzymes.
P. Giakkoupi, E. Tzelepi, N. Legakis, Leonidas S. Tzouvelekis
1998FEMS Microbiology Letters24 citations Open access
Semantic Scholar
Sequence of pR3521, an IncB Plasmid from Escherichia coli Encoding ACC-4, SCO-1, and TEM-1 β-Lactamases
C. Papagiannitsis, L. S. Tzouvelekis, S. Kotsakis, E. Tzelepi +1 more
2010Antimicrobial Agents and Chemotherapy22 citations Open access
Semantic Scholar
Imipenem resistance in Enterobacter aerogenes is associated with derepression of chromosomal cephalosporinases and impaired permeability.
L. Tzouvelekis, E. Tzelepi, A. Mentis, A. Vatopoulos +1 more
1992FEMS Microbiology Letters21 citations Open access
Semantic Scholar
Ten years of external quality assessment (EQA) of Neisseria gonorrhoeae antimicrobial susceptibility testing in Europe elucidate high reliability of data
M. Cole, Nerteley Quaye, S. Jacobsson, M. Day +37 more
2019BMC Infectious Diseases20 citations Open access
Semantic Scholar
Detecting VIM-1 Production in Proteus mirabilis by an Imipenem-Dipicolinic Acid Double Disk Synergy Test
V. Miriagou, C. Papagiannitsis, E. Tzelepi, J. B. Casals +2 more
2009Journal of Clinical Microbiology20 citations Open access
Semantic Scholar
Outbreak of Acinetobacter baumannii with Chromosomally Encoded VIM-1 Undetectable by Imipenem-EDTA Synergy Tests
A. Loli, L. Tzouvelekis, D. Gianneli, E. Tzelepi +1 more
2008Antimicrobial Agents and Chemotherapy20 citations Open access
Semantic Scholar
Characterization of a novel SHV beta-lactamase variant that resembles the SHV-5 enzyme.
Efthimios E. Prinarakis, E. Tzelepi, Maria Gazouli, A. Mentis +1 more
1996FEMS Microbiology Letters20 citations
Semantic Scholar
Extended-Spectrum Properties of CMY-30, a Val211Gly Mutant of CMY-2 Cephalosporinase
S. Kotsakis, C. Papagiannitsis, E. Tzelepi, L. Tzouvelekis +1 more
2009Antimicrobial Agents and Chemotherapy19 citations Open access
Semantic Scholar
Characterization of Neisseria gonorrhoeae Strains with Decreased Susceptibility to Fluoroquinolones Isolated in Greece from 1996 to 1999
A. Mavroidi, L. Tzouvelekis, P. Tassios, A. Flemetakis +2 more
2000Journal of Clinical Microbiology19 citations Open access
Semantic Scholar
Antimicrobial Susceptibility and Types of Neisseria gonorrhoeae in Greece: Data for the Period 1990 to 1993
E. Tzelepi, H. Avgerinou, K. Kyriakis, L. Tzouvelekis +3 more
1997Sexually Transmitted Diseases18 citations Open access
Semantic Scholar
Analysis of Emergence of Quinolone-Resistant Gonococci in Greece by Combined Use of Neisseria gonorrhoeae Multiantigen Sequence Typing and Multilocus Sequence Typing
A. Mavroidi, E. Tzelepi, Eirini Siatravani, D. Godoy +2 more
2011Journal of Clinical Microbiology17 citations Open access
Semantic Scholar
CTX-M-3 β-Lactamase-Producing Escherichia coli from Greece
A. Mavroidi, E. Tzelepi, V. Miriagou, D. Gianneli +2 more
200217 citations
Semantic Scholar
Antibiotic susceptibilities of Yersinia enterocolitica and Y. intermedia isolates from aquatic environments.
E. Tzelepi, M. Arvanitidou, A. Mavroidi, A. Tsakris
1999Journal of Medical Microbiology17 citations Open access
Semantic Scholar

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L. Tzouvelekis×24
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L. Tzouvelekis — researcher profile on SciRah
V. Miriagou×22
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V. Miriagou — researcher profile on SciRah
N. Legakis×14
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L. S. Tzouvelekis×12
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P. Giakkoupi×8

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