Emerging Infectious Disease ISSN: 1080-6059

Dissemination of Clonally Related Escherichia coli Strains Expressing Extended-Spectrum β-Lactamase CTX-M-15

Teresa M. Coque*†‡

, Ângela Novais*†‡, Alessandra Carattoli§, Laurent Poirel¶, Johann Pitout#**, Luísa Peixe††, Fernando Baquero*†‡, Rafael Cantón*†‡, and Patrice Nordmann¶

Author affiliations: *Hospital Universitario Ramón y Cajal, Madrid, Spain; †Unidad de Resistencia a Antibióticos y Virulencia Bacteriana Asociada al Consejo Superior de Investigaciones Científicas, Madrid, Spain; ‡El Consorcio de Investigación Biomédica en Red de Epidemiología y Salud Pública, Madrid, Spain; §Istituto Superiore di Sanità, Rome, Italy; ¶Hospital Bicetre, Paris, France; #Calgary Laboratory Services, Calgary, Alberta, Canada; **University of Calgary, Calgary, Alberta, Canada; ††Universidade do Porto, Porto, Portugal;

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Appendix Figure

Geographic distribution of widely disseminated Escherichia coli clonal complexes associated with CTX-M-15. Data from strains lacking blaCTX-M-15 are from published studies (17,27,28; http://web.mpiib-berlin.mpg.de/mlst/dbs/Ecoli). E. coli clonal group A (CgA) has been identified as different sequence types (STs), most belonging to ST69 (27).

Appendix Figure. Geographic distribution of widely disseminated Escherichia coli clonal complexes associated with CTX-M-15. Data from strains lacking blaCTX-M-15 are from published studies (17,27,28; http://web.mpiib-berlin.mpg.de/mlst/dbs/Ecoli). E. coli clonal group A (CgA) has been identified as different sequence types (STs), most belonging to ST69 (27).

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