Browsing by Author "Maniatis, A. N."
Now showing items 1-20 of 56
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Activity of linezolid against Gram-positive cocci: a multicentre study in Greek hospitals
Pratti, A.; Karanika, M.; Maniatis, A. N.; Petinaki, E.; Spiliopoulou, I.; Kolonitsiou, F.; Tatsiopoulos, A.; Alexiou-Daniel, S.; Bakola, D.; Koutsia-Carousou, C.; Malamou-Lada, H.; Siafakas, N.; Zerva, L. (2007) -
Anti-Saccharomyces cerevisiae mannan antibodies and antineutrophil cytoplasmic autoantibodies in Greek patients with inflammatory bowel disease
Koutroubakis, I. E.; Petinaki, E.; Mouzas, I. A.; Vlachonikolis, I. G.; Anagnostopoulou, E.; Castanas, E.; Maniatis, A. N.; Kouroumalis, E. A. (2001)OBJECTIVES: The combined measurement of perinuclear antineutrophil cytoplasmic autoantibodies (pANCA) and anti-Saccharomyces cerevisiae mannan antibodies (ASCA) has recently been suggested as a valuable diagnostic approach ... -
Antimicrobial susceptibility of Neisseria gonorrhoeae in Greece: data for the years 1994-2004
Stathi, M.; Flemetakis, A.; Miriagou, V.; Avgerinou, H.; Kyriakis, K. P.; Maniatis, A. N.; Tzelepi, E. (2006)Objectives: Surveillance data concerning antimicrobial susceptibilities of Neisseria gonorrhoeae isolated in Greece during the 11 year period 1994-2004 are presented. Methods: Antimicrobial susceptibilities of all gonococcal ... -
Association of biofilm formation and methicillin-resistance with accessory gene regulator (agr) loci in Greek Staphylococcus aureus clones
Ikonomidis, A.; Vasdeki, A.; Kristo, I.; Maniatis, A. N.; Tsakris, A.; Malizos, K. N.; Pournaras, S. (2009)Pathogenicity of Staphylococcus aureus is coordinated by the accessory gene regulator (agr) system. Previous studies suggested that agr Group 11 methicillin-resistant S. aureus (MRSA), a polymorphism that has been associated ... -
Characterization of clinical isolates of Pseudomonas aeruginosa heterogeneously resistant to carbapenems
Pournaras, S.; Ikonomidis, A.; Markogiannakis, A.; Spanakis, N.; Maniatis, A. N.; Tsakris, A. (2007)Fourteen apparently carbapenem-susceptible Pseudomonas aeruginosa clinical isolates that exhibited colonies within the inhibition zone around carbapenem discs were analysed. MICs of carbapenems were determined and the ... -
Clinical isolates of macrolide-resistant Streptococcus pyogenes in Central Greece
Petinaki, E.; Kontos, F.; Pratti, A.; Skulakis, C.; Maniatis, A. N. (2003)A total of 300 Streptococcus pyogenes isolates, collected during 2001 from five hospitals in the Thessalia district (Central Greece), were examined for their resistance to macrolides. Resistance to erythromycin was detected ... -
Clonal dissemination of mupirocin-resistant staphylococci in Greek hospitals
Petinaki, E.; Spiliopoulou, I.; Kontos, F.; Maniati, M.; Bersos, Z.; Stakias, N.; Malamou-Lada, H.; Koutsia-Carouzou, C.; Maniatis, A. N. (2004)Objectives: To determine the rates of mupirocin resistance in staphylococci during a 4 year period (1999-2002) in Greece. Materials: A total of 1200 Staphylococcus aureus and 2760 coagulase-negative staphylococci (CoNS), ... -
Clonal spread of KPC-2 carbapenemase-producing Klebsiella pneumoniae strains in Greece
Pournaras, S.; Protonotariou, E.; Voulgari, E.; Kristo, I.; Dimitroulia, E.; Vitti, D.; Tsalidou, M.; Maniatis, A. N.; Tsakris, A.; Sofianou, D. (2009)KPC-possessing Klebsiella pneumoniae have been found to be widespread in several regions but are still rarely detected in Europe. We describe the characteristics of an outbreak caused by KPC producers in a tertiary care ... -
CTX-M enzymes are the most common extended-spectrum beta-lactamases among Escherichia coli in a tertiary Greek hospital
Pournaras, S.; Ikonomidis, A.; Kristo, L.; Tsakris, A.; Maniatis, A. N. (2004) -
CTX-M-type β-lactamases affect community Escherichia coli treatment, Greece [1]
Pournaras, S.; Ikonomidis, A.; Sofianou, D.; Tsakris, A.; Maniatis, A. N. (2004) -
Detection of a novel variant bla(CTX-M-3) extended spectrum beta-lactamase gene in a community-acquired Escherichia coli isolate
Pournaras, S.; Tsakris, A.; Ikonomidis, A.; Markogiannakis, A.; Kristo, I.; Maniatis, A. N. (2006)A highly cefotaxime- and cefepime-resistant but ceftazidime-sensitive Escherichia coli isolate was recovered from a community-acquired urinary infection of a Greek patient. Susceptibility testing, transfer assays, plasmid ... -
Detection of a variant CTX-M3 extended spectrum beta-lactamase gene, in a community-acquired strain of Escherichia coli
Pournaras, S.; Kristo, I.; Tsakris, A.; Maniatis, A. N. (2004) -
Differences in biofilm formation and virulence factors between clinical and fecal enterococcal isolates of human and animal origin
Tsikrikonis, G.; Maniatis, A. N.; Labrou, M.; Ntokou, E.; Michail, G.; Daponte, A.; Stathopoulos, C.; Tsakris, A.; Pournaras, S. (2012)The present study investigated the possible correlation between carriage of the virulence genes esp and fsrb, production of hemolysin and gelatinase and biofilm formation in human vs. animal enterococcal isolates. A ... -
Discordance of meropenem versus imipenem activity against Acinetobacter baumannii
Ikonomidis, A.; Pournaras, S.; Maniatis, A. N.; Legakis, N. J.; Tsakris, A. (2006) -
Dissemination of clonally unrelated erythromycin- and glycopeptide-resistant Enterococcus faecium isolates in a tertiary Greek hospital
Maniatis, A. N.; Pournaras, S.; Kanellopoulou, M.; Kontos, F.; Dimitroulia, E.; Papafrangas, E.; Tsakris, A. (2001)Between September 1999 to February 2001, 25 glycopeptide-resistant Enterococcus faecium (GRE) isolates were recovered from a Greek hospital. The isolates exhibited 13 distinct chromosomal macrorestriction types by pulsed-field ... -
Efflux system overexpression and decreased OprD contribute to the carbapenem heterogeneity in Pseudomonas aeruginosa
Ikonomidis, A.; Tsakris, A.; Kantzanou, M.; Spanakis, N.; Maniatis, A. N.; Pournaras, S. (2008)Pseudomonas aeruginosa strains exhibiting a heterogeneous mode of growth against carbapenems have been described recently. This study investigated the underlying molecular mechanisms in four genetically unrelated P. ... -
Emergence of Enterococcus faecalis susceptible to quinupristin/dalfopristin in Greece
Petinaki, E.; Kontos, F.; Maniatis, A. N.; Spiliopoulou, I.; Liakos, P. (2006) -
Emergence of Staphylococcus hominis strains expressing low-level resistance to quinupristin/dalfopristin in Greece
Petinaki, E.; Spiliopoulou, I.; Maniati, M.; Maniatis, A. N. (2005) -
Emergence of two oxacillin-susceptible mecA-positive Staphylococcus aureus clones in a Greek hospital
Petinaki, E.; Kontos, F.; Maniatis, A. N. (2002) -
Evaluation of a novel method based on PCR Restriction Fragment Length Polymorphism Analysis of the tuf gene for the identification of Staphylococcus species
Kontos, F.; Petinaki, E.; Spiliopoulou, I.; Maniati, M.; Maniatis, A. N. (2003)A novel method, based on PCR Restriction Fragment Length Polymorphism Analysis (PRA) of a part of the tuf gene (370 bp), was designed for the identification of 11 staphylococcal species, including the most common staphylococcal ...