Marina Cerquetti

Summary

Affiliation: Istituto Superiore di Sanit
Country: Italy

Publications

  1. ncbi request reprint Presence of multiple copies of the capsulation b locus in invasive Haemophilus influenzae type b (Hib) strains isolated from children with Hib conjugate vaccine failure
    Marina Cerquetti
    Department of Infectious, Parasitic and Immune Mediated Diseases, Istituto Superiore di Sanita, Rome, Italy
    J Infect Dis 192:819-23. 2005
  2. pmc Food Reservoir for Escherichia coli Causing Urinary Tract Infections
    Maria Giufre
    Istituto Superiore di Sanita, Rome, Italy
    Emerg Infect Dis 16:1048-9. 2010
  3. pmc Identification of Haemophilus influenzae clones associated with invasive disease a decade after introduction of H. influenzae serotype b vaccination in Italy
    Maria Giufre
    Department of Infectious, Parasitic and Immune Mediated Diseases, Istituto Superiore di Sanita, Rome, Italy
    Clin Vaccine Immunol 20:1223-9. 2013
  4. pmc First characterization of heterogeneous resistance to imipenem in invasive nontypeable Haemophilus influenzae isolates
    Marina Cerquetti
    Department of Infectious, Parasitic and Immune Mediated Diseases, Istituto Superiore di Sanita, Viale Regina Elena 299, 00161 Roma, Italy
    Antimicrob Agents Chemother 51:3155-61. 2007
  5. doi request reprint Phylogenetic background and virulence genotype of ciprofloxacin-susceptible and ciprofloxacin-resistant Escherichia coli strains of human and avian origin
    Caterina Graziani
    Department of Veterinary Public Health and Food Safety, Rome, Italy
    J Infect Dis 199:1209-17. 2009
  6. ncbi request reprint Genetic diversity of invasive strains of Haemophilus influenzae type b before and after introduction of the conjugate vaccine in Italy
    Marina Cerquetti
    Department of Infectious, Parasitic and Immune Mediated Diseases, Istituto Superiore di Sanita, Rome, Italy
    Clin Infect Dis 43:317-9. 2006
  7. ncbi request reprint Antimicrobial susceptibility of Haemophilus influenzae strains isolated from invasive disease in Italy
    Marina Cerquetti
    Department of Infectious, Parasitic and Immunomediated Diseases, Istituto Superiore di Sanita, Viale Regina Elena 299, 00161 Rome, Italy
    J Antimicrob Chemother 54:1139-43. 2004
  8. ncbi request reprint Haemophilus parainfluenzae meningitis in an adult associated with acute otitis media
    Rita Cardines
    Department of Infectious, Parasitic and Immune Mediated Diseases, Istituto Superiore di Sanita, Rome, Italy
    New Microbiol 32:213-5. 2009
  9. ncbi request reprint Nontypeable Haemophilus influenzae meningitis in children: phenotypic and genotypic characterization of isolates
    Rita Cardines
    Department of Infectious, Parasitic and Immune Mediated Diseases, Istituto Superiore di Sanita, Rome, Italy
    Pediatr Infect Dis J 26:577-82. 2007
  10. pmc Detection of six copies of the capsulation b locus in a Haemophilus influenzae type b strain isolated from a splenectomized patient with fulminant septic shock
    Marina Cerquetti
    Department of Infectious, Parasitic and Immune Mediated Diseases, Istituto Superiore di Sanita, Viale Regina Elena, 299, 00161 Rome, Italy
    J Clin Microbiol 44:640-2. 2006

Collaborators

Detail Information

Publications24

  1. ncbi request reprint Presence of multiple copies of the capsulation b locus in invasive Haemophilus influenzae type b (Hib) strains isolated from children with Hib conjugate vaccine failure
    Marina Cerquetti
    Department of Infectious, Parasitic and Immune Mediated Diseases, Istituto Superiore di Sanita, Rome, Italy
    J Infect Dis 192:819-23. 2005
    ..10%; P = .0379), which suggests that amplification of the capb locus may be a contributory factor in vaccine failure. The presence of multiple-copy strains was associated with disease other than meningitis...
  2. pmc Food Reservoir for Escherichia coli Causing Urinary Tract Infections
    Maria Giufre
    Istituto Superiore di Sanita, Rome, Italy
    Emerg Infect Dis 16:1048-9. 2010
    ..have declared, in the introduction, that their efforts were directed toward investigating the hypothesis that retail chicken is the main reservoir for extraintestinal E. coli...
  3. pmc Identification of Haemophilus influenzae clones associated with invasive disease a decade after introduction of H. influenzae serotype b vaccination in Italy
    Maria Giufre
    Department of Infectious, Parasitic and Immune Mediated Diseases, Istituto Superiore di Sanita, Rome, Italy
    Clin Vaccine Immunol 20:1223-9. 2013
    ..These major ST clones were found to be associated with the hmwA gene but not with the igaB gene. To conclude, although the heterogeneity of the ncHi population was confirmed, diffusion of major successful ST clones was documented...
  4. pmc First characterization of heterogeneous resistance to imipenem in invasive nontypeable Haemophilus influenzae isolates
    Marina Cerquetti
    Department of Infectious, Parasitic and Immune Mediated Diseases, Istituto Superiore di Sanita, Viale Regina Elena 299, 00161 Roma, Italy
    Antimicrob Agents Chemother 51:3155-61. 2007
    ..We speculated that bacterial regulatory networks may play a role in the control of the heterogeneous expression of the resistance phenotype...
  5. doi request reprint Phylogenetic background and virulence genotype of ciprofloxacin-susceptible and ciprofloxacin-resistant Escherichia coli strains of human and avian origin
    Caterina Graziani
    Department of Veterinary Public Health and Food Safety, Rome, Italy
    J Infect Dis 199:1209-17. 2009
    ..This study aims to provide further insight into the possible avian origin of fluoroquinolone-resistant extraintestinal pathogenic E. coli (ExPEC) strains that infect humans...
  6. ncbi request reprint Genetic diversity of invasive strains of Haemophilus influenzae type b before and after introduction of the conjugate vaccine in Italy
    Marina Cerquetti
    Department of Infectious, Parasitic and Immune Mediated Diseases, Istituto Superiore di Sanita, Rome, Italy
    Clin Infect Dis 43:317-9. 2006
    ..No substantial change in genetic diversity was highlighted by pulsed-field gel electrophoresis. However, an upward temporal trend in proportion of strains possessing multiple copies of the capsulation b locus was detected (P = .03)...
  7. ncbi request reprint Antimicrobial susceptibility of Haemophilus influenzae strains isolated from invasive disease in Italy
    Marina Cerquetti
    Department of Infectious, Parasitic and Immunomediated Diseases, Istituto Superiore di Sanita, Viale Regina Elena 299, 00161 Rome, Italy
    J Antimicrob Chemother 54:1139-43. 2004
    ..The aim of this study was to assess the antimicrobial susceptibility of H. influenzae strains isolated from invasive disease in Italy and to investigate ampicillin-resistant isolates by molecular biology techniques...
  8. ncbi request reprint Haemophilus parainfluenzae meningitis in an adult associated with acute otitis media
    Rita Cardines
    Department of Infectious, Parasitic and Immune Mediated Diseases, Istituto Superiore di Sanita, Rome, Italy
    New Microbiol 32:213-5. 2009
    ..Our study demonstrates that H. parainfluenzae can be considered an opportunistic pathogen able to cause life-threatening infections not only in children but also in patients with underlying conditions...
  9. ncbi request reprint Nontypeable Haemophilus influenzae meningitis in children: phenotypic and genotypic characterization of isolates
    Rita Cardines
    Department of Infectious, Parasitic and Immune Mediated Diseases, Istituto Superiore di Sanita, Rome, Italy
    Pediatr Infect Dis J 26:577-82. 2007
    ..With the decline in the incidence of invasive Haemophilus influenzae type b disease as result of routine immunization of infants, the potential emergence of nontypeable H. influenzae (NTHi) strains as important pathogens has been suggested...
  10. pmc Detection of six copies of the capsulation b locus in a Haemophilus influenzae type b strain isolated from a splenectomized patient with fulminant septic shock
    Marina Cerquetti
    Department of Infectious, Parasitic and Immune Mediated Diseases, Istituto Superiore di Sanita, Viale Regina Elena, 299, 00161 Rome, Italy
    J Clin Microbiol 44:640-2. 2006
    ..The unusual amplification of the locus might have contributed to the rare and severe clinical presentation...
  11. pmc First report of plasmid-mediated quinolone resistance determinant qnrS1 in an Escherichia coli strain of animal origin in Italy
    Marina Cerquetti
    Department of Infectious, Parasitic and Immune Mediated Diseases, Istituto Superiore di Sanita, Viale Regina Elena 299, Rome, Italy
    Antimicrob Agents Chemother 53:3112-4. 2009
    ..These elements suggest genetic exchanges among Salmonella and E. coli and a potential animal reservoir for the qnr genes...
  12. doi request reprint Escherichia coli of human and avian origin: detection of clonal groups associated with fluoroquinolone and multidrug resistance in Italy
    Maria Giufre
    Department of Infectious, Parasitic and Immune Mediated Diseases, Istituto Superiore di Sanita, Rome, Italy
    J Antimicrob Chemother 67:860-7. 2012
    ..Our aim was to investigate whether genotypes associated with ciprofloxacin and multidrug resistance were shared among human and avian E. coli...
  13. doi request reprint Ten years of Hib vaccination in Italy: prevalence of non-encapsulated Haemophilus influenzae among invasive isolates and the possible impact on antibiotic resistance
    Maria Giufre
    National Reference Laboratory for Haemophilus influenzae, Department of Infectious, Parasitic and Immune Mediated Diseases, Istituto Superiore di Sanita, Viale Regina Elena 299, 00161 Rome, Italy
    Vaccine 29:3857-62. 2011
    ..A marked change in the predominant serotype from Hib to ncHi has occurred. Changes in the H. influenzae population moderately affected antibiotic resistance trends...
  14. pmc Genetic characterization of the capsulation locus of Haemophilus influenzae serotype e
    Maria Giufre
    Department of Infectious, Parasitic and Immune Mediated Diseases, Istituto Superiore di Sanita, Viale Regina Elena 299, 00161 Rome, Italy
    J Clin Microbiol 48:1404-7. 2010
    ..The 18.2-kb locus included 14 open reading frames (ORFs), which were grouped into three functional regions. Eight new ORFs (named ecs1 to ecs8) were identified in the Hie capsule-specific region II...
  15. ncbi request reprint Phylogenetic analysis of multidrug-resistant Escherichia coli clones isolated from humans and poultry
    Massimo Ciccozzi
    Department of Infectious, Parasitic and Immune Mediated Diseases
    New Microbiol 36:385-94. 2013
    ..Such a subgroup may be of public health concern. On the contrary, E. coli clones included in B2 and D appeared clearly separate between human and avian sources, suggesting a minor zoonotic potential of these phylotypes...
  16. doi request reprint Haemophilus influenzae in children with cystic fibrosis: antimicrobial susceptibility, molecular epidemiology, distribution of adhesins and biofilm formation
    Rita Cardines
    Department of Infectious, Parasitic and Immune Mediated Diseases, Istituto Superiore di Sanita, Viale Regina Elena 299, 00161 Rome, Italy
    Int J Med Microbiol 302:45-52. 2012
    ..01). Although a high turnover of NTHi strains in FC patients was observed, distinct clones with increased capacity of persistence or cross-colonisation occurred...
  17. pmc Invasive type e Haemophilus influenzae disease in Italy
    Marina Cerquetti
    Istituto Superiore di Sanita, Rome, Italy
    Emerg Infect Dis 9:258-61. 2003
    ..The isolates were susceptible to ampicillin and eight other antimicrobial agents. Molecular analysis showed two distinct type e strains circulating in Italy, both containing a single copy of the capsulation locus...
  18. pmc Variation in expression of HMW1 and HMW2 adhesins in invasive nontypeable Haemophilus influenzae isolates
    Maria Giufre
    Department of Infectious, Parasitic and Immune Mediated Diseases, Istituto Superiore di Sanita, Viale Regina Elena 299, 00161 Rome, Italy
    BMC Microbiol 8:83. 2008
    ..Number of 7-bp repeats within the hmwA promoters and presence of HMW proteins by Western blotting were also determined...
  19. pmc Conservation and diversity of HMW1 and HMW2 adhesin binding domains among invasive nontypeable Haemophilus influenzae isolates
    Maria Giufre
    Department of Infectious, Parasitic and Immune Mediated Diseases, Istituto Superiore di Sanita, Viale Regina Elena 299, 00161 Rome, Italy
    Infect Immun 74:1161-70. 2006
    ..Since HMW adhesins could represent candidates for future vaccines, identification of specific patterns of conserved motifs in otherwise highly variable regions is of great interest...
  20. ncbi request reprint Binding of Clostridium difficile to Caco-2 epithelial cell line and to extracellular matrix proteins
    Marina Cerquetti
    Laboratory of Bacteriology and Medical Mycology, Istituto Superiore di Sanita, Rome, Italy
    FEMS Immunol Med Microbiol 32:211-8. 2002
    ..Furthermore, binding of C. difficile C253 to several extracellular matrix proteins in vitro was demonstrated by an ELISA-based assay...
  21. ncbi request reprint Surface layer proteins from Clostridium difficile induce inflammatory and regulatory cytokines in human monocytes and dendritic cells
    Clara Maria Ausiello
    Department of Infectious, Parasitic and Immune Mediated Diseases, Anti infectious Immunity Unit, Istituto Superiore di Sanita, Viale Regina Elena 299, 00161 Rome, Italy
    Microbes Infect 8:2640-6. 2006
    ..These data are of interest also in the light of the possible use of SLPs in a multicomponent vaccine against C. difficile infections for high-risk patients...
  22. ncbi request reprint Haemophilus influenzae serotype e meningitis in an infant
    Marina Cerquetti
    Clin Infect Dis 38:1041. 2004
  23. ncbi request reprint Variant IS1016 insertion elements in invasive Haemophilus influenzae type b isolates harboring multiple copies of the capsulation b locus
    Maria Giufre
    Clin Infect Dis 43:1225-6. 2006
  24. ncbi request reprint Impact of a regional Hib vaccination programme in Italy
    Giovanni Gallo
    Regional Health Authority, Veneto Region, Venice, Italy
    Vaccine 20:993-5. 2002
    ....