Oteo J, Lázaro E, de Abajo FJ, Baquero F, Campos J; Spanish members of EARSS. Antimicrobial-resistant invasive Escherichia coli, Spain. Emerg Infect Dis 2005;11:546-53
Cantón R, Novais A, Valverde A, et al. Prevalence and spread of extendedspectrum-lactamase-producing Enterobacteriaceae in Europe. Clin Microbiol Infect 2000;14:144-53
Mesko Meglic K, Koren S, Palepou MF, et al.; Slovenian ESBL Study Group. Nationwide survey of CTX-M-type extended-spectrum beta-lactamases among Klebsiella pneumoniae isolates in Slovenian hospitals. Antimicrob Agents Chemother 2009;53:287-91
Oteo J, Cuevas O, López-Rodríguez I, et al. Emergence of CTX-M-15-producing Klebsiella pneumoniae of multilocus sequence types 1, 11, 14, 17, 20, 35 and 36 as pathogens and colonizers in newborns and adults. J Antimicrob Chemother 2009;64:524-8
Coque TM, Novais A, Carattoli A, et al. Dissemination of clonally related Escherichia coli strains expressing extended-spectrum beta-lactamase CTX-M-15. Emerg Infect Dis 2008;14:195-200
Hopkins KL, Liebana E, Villa L, Batchelor M, Threlfall EJ, Carattoli A. Replicon typing of plasmids carrying CTX-M or CMY beta-lactamases circulating among Salmonella and Escherichia coli isolates. Antimicrob Agents Chemother 2006;50:3203-6
Novais A, Cantón R, Moreira R, Peixe L, Baquero F, Coque TM. Emergence and dissemination of Enterobacteriaceae isolates producing CTXM-1-like enzymes in Spain are associated with IncFII (CTX-M-15) and broad-host-range (CTX-M-1,-3, and-32) plasmids. Antimicrob Agents Chemother 2007;51:796-9
Bonnet R. Growing group of extended-spectrum beta-lactamases: The CTX-M enzymes. Antimicrob Agents Chemother 2004;48:1-14
Eckert C, Gautier V, Arlet G. DNA sequence analysis of the genetic environment of various blaCTX-M genes. J Antimicrob Chemother 2006;57:14-23
Poirel L, Decousser JW, Nordmann P. Insertion sequence ISEcp1B is involved in expression and mobilization of a bla(CTX-M) beta-lactamase gene. Antimicrob Agents Chemother 2003;47:2938-45
Nicolas-Chanoine MH, Blanco J, Leflon-Guibout V, et al. Intercontinental emergence of Escherichia coli clone O25:H4-ST131 producing CTX-M-J Antimicrob Chemother 2008;61:273-81
Johnson JR, Johnston B, Clabots C, Kuskowski MA, Castanheira M. Escherichia coli sequence type ST131 as the major cause of serious multidrug-resistant E. coli infections in the United States. Clin Infect Dis 2010;51:286-94
Tartof SY, Solberg OD, Manges AR, Riley LW. Analysis of a uropathogenic Escherichia coli clonal group by multilocus sequence typing. J Clin Microbiol 2005;43:5860-4
Sherley M, Gordon DM, Collignon PJ. Species differences in plasmid carriage in the Enterobacteriaceae. Plasmid 2003;49:79-85
Johnson TJ, Wannemuehler YM, Johnson SJ, et al. Plasmid replicon typing of commensal and pathogenic Escherichia coli isolates. Appl Environ Microbiol 2007;73:1976-83
Lavollay M, Mamlouk K, Frank T, et al. Clonal dissemination of a CTXM-15 beta-lactamase-producing Escherichia coli strain in the Paris area, Tunis, and Bangui. Antimicrob Agents Chemother 2006;50:2433-8
Boyd DA, Tyler S, Christianson S, et al. Complete nucleotide sequence of a 92-kilobase plasmid harboring the CTX-M-15 extended-spectrum betalactamase involved in an outbreak in long-term-care facilities in Toronto, Canada. Antimicrob Agents Chemother 2004;48:3758-64
Doumith M, Dhanji H, Ellington MJ, Hawkey P, Woodford N. Characterization of plasmids encoding extended-spectrum-lactamases and their addiction systems circulating among Escherichia coli clinical isolates in the UK. J Antimicrob Chemother 2012;67:878-85
Mnif B, Vimont S, Boyd A, et al. Molecular characterization of addiction systems of plasmids encoding extended-spectrum beta-lactamases in Escherichia coli. J Antimicrob Chemother 2010;65:1599-603
Elhani D, Bakir L, Aouni M, et al. Molecular epidemiology of extendedspectrum beta-lactamase-producing Klebsiella pneumoniae strains in a university hospital in Tunis, Tunisia, 1999-2005. Clin Microbiol Infect 2010;16:157-64
Baba Ahmed-Kazi Tani Z, Decré D, Genel N, Boucherit-Otmani Z, Arlet G, Drissi M. Molecular and epidemiological characterization of enterobacterial multidrug-resistant strains in Tlemcen Hospital (Algeria) (2008-2010). Microb Drug Resist 2013;19:185-90
Baraniak A, Fiett J, Sulikowska A, Hryniewicz W, Gniadkowski M. Countrywide spread of CTX-M-3 extended-spectrum beta-lactamase-producing microorganisms of the family Enterobacteriaceae in Poland. Antimicrob Agents Chemother 2002;46:151-9
Goebiewski M, Kern-Zdanowicz I, Zienkiewicz M, et al. Complete nucleotide sequence of the pCTX-M3 plasmid and its involvement in spread of the extended-spectrum beta-lactamase gene blaCTX-M-3. Antimicrob Agents Chemother 2007;51:3789-95
Poirel L, Bonnin RA, Nordmann P. Genetic features of the widespread plasmid coding for the carbapenemase OXA-48. Antimicrob Agents Chemother 2012;56:559-62
Villa L, García-Fernández A, Fortini D, Carattoli A. Replicon sequence typing of IncF plasmids carrying virulence and resistance determinants. J Antimicrob Chemother 2010;65:2518-29
Jarlier V, Nicolas MH, Fournier G, Philippon A. Extended broad-spectrum beta-lactamases conferring transferable resistance to newer beta-lactam agents in Enterobacteriaceae: hospital prevalence and susceptibility patterns. Rev Infect Dis 1988;10:867-78
Clinical and Laboratory Standards Institute (CLSI). Performance Standards for Antimicrobial Susceptibility Testing; 20th Informational Supplement M100-S20. Wayne, PA: Clinical and Laboratory Standards Institute, 2010
Lartigue MF, Zinsius C, Wenger A, Bille J, Poirel L, Nordmann P. Extendedspectrum beta-lactamases of the CTX-M type now in Switzerland. Antimicrob Agents Chemother 2007;51:2855-60
Robicsek A, Strahilevitz J, Sahm DF, Jacoby GA, Hooper DC. qnr prevalence in ceftazidime-resistant Enterobacteriaceae isolates from the United States. Antimicrob Agents Chemother 2006;50:2872-4
Brasme L, Nordmann P, Fidel F, et al. Incidence of class A extended-spectrum beta-lactamases in Champagne-Ardenne (France): A 1 year prospective study. J Antimicrob Chemother 2007;60:956-64
Wirth T, Falush D, Lan R, et al. Sex and virulence in Escherichia coli: an evolutionary perspective. Mol Microbiol 2006;60:1136-51
Pallecchi L, Malossi M, Mantella A, et al. Detection of CTX-M-type betalactamase genes in fecal Escherichia coli isolates from healthy children in Bolivia and Peru. Antimicrob Agents Chemother 2004;48:4556-61
Kieser T. Factors affecting the isolation of CCC DNA from Streptomyces lividans and Escherichia coli. Plasmid 1984;12:19-36
Sambrook J, Fritsch EF, Maniatis T. Molecular Cloning: A Laboratory Manwal. 2nd edn. Cold Spring Harbor: Cold Spring Harbor Laboratory Press, 1989
Carattoli A, Bertini A, Villa L, Falbo V, Hopkins KL, Threlfall EJ. Identification of plasmids by PCR-based replicon typing. J Microbiol Methods 2005;63:219-28.
