Hall, R. M. & Collis, C. M. (1995). Mobile gene cassettes and integrons: capture and spread of genes by site-specific recombination. Molecular Microbiology 15, 593-600.
Hall, R. M. & Collis, C. M. (1998). Antibiotic resistance in Gram-negative bacteria: the role of gene cassettes and integrons. Drug Resistance Updates 1, 109-19.
Parsons, Y., Hall, R. M. & Stokes, H. W. (1991). A new trimethoprim resistance gene, dhfrX, in the In7 integron of plasmid pDGO100. Antimicrobial Agents and Chemotherapy 35, 2436-9.
Stokes, H. W., Tomaras, C., Parsons, Y. et al. (1993). The partial 3′-conserved segment duplications in the integrons In6 from pSa and In7 from pDGO100 have a common origin. Plasmid 30, 39-50.
Verdet, C., Arlet, G., Barnaud, G. et al. (2000). A novel integron in Salmonella enterica serovar Enteritidis, carrying the blaDHA-1 gene and its regulator gene ampR originated from Morganella morganii. Antimicrobial Agents and Chemotherapy 44, 222-5.
Sabaté, M., Navarro, F., Miró, E. et al. (2002). Novel complex sul1-type integron in Escherichia coli carrying blaCTX-M-9. Antimicrobial Agents and Chemotherapy 46, 2656-61.
Arduino, S. M., Roy, P. H., Jacoby, G. A. et al. (2002). blaCTX-M-2 is located in an unusual class 1 integron (In35) which includes Orf513. Antimicrobial Agents and Chemotherapy 46, 2303-6.
Di Conza, J., Ayala, J. A., Power, P. et al. (2002). Novel class 1 integron (InS21) carrying blaCTX-M-2 in Salmonella enterica serovar Infantis. Antimicrobial Agents and Chemotherapy 46, 2257-61.
Power, P., Radice, M., Barberis, C. et al. (1999). Cefotaxime-hydrolysing β-lactamases in Morganella morganii. European Journal of Clinical Microbiology and Infectious Diseases 18, 743-7.
Ausubel, F. M., Brent, R., Kingston, R. E. et al. (1991). Current Protocols in Molecular Biology. John Wiley and Sons, New York, NY, USA.
Sanger, I., Nicklen, S. & Coulson, A. (1977). DNA sequencing with chain terminating inhibitors. Proceedings of the National Academy of Sciences, USA 74, 5463-7.
Humeniuk, C., Arlet, G., Gautier, V. et al. (2002). β-Lactamases of Kluyvera ascorbata, probable progenitors of some plasmid-encoded CTX-M types. Antimicrobial Agents and Chemotherapy 46, 3045-9.
Saladin, M., Cao, V. T. B., Lambert, T. et al. (2002). Diversity of CTX-M β-lactamases and their promoter regions from Enterobacteriaceae isolated in three Parisian hospitals. FEMS Microbiology Letters 209, 161-8.
Lartigue, M.-F., Poirel, L. & Nordmann, P. (2004). Diversity of genetic environment of blaCTX-M genes. FEMS Microbiology Letters 234, 201-7.
Karim, A., Poirel, L., Nagarajan, S. et al. (2001). Plasmid-mediated extended-spectrum β-lactamase (CTX-M-3 like) from India and gene association with insertion sequence ISEcp1. FEMS Microbiology Letters 201, 237-41.
Rodríguez, M. M., Power, P., Radice, M. et al. (2004). Chromosome-encoded CTX-M-3 from Kluyvera ascorbata: a possible origin of plasmid-borne CTX-M-1-derived cefotaximases. Antimicrobial Agents and Chemotherapy 48, 4895-7.
