Prevalence and diversity of Extended-Spectrum Beta-Lactamases in faecal Escherichia coli isolates of healthy humans.

  1. Vinué, L. 1
  2. Sáenz, Y. 12
  3. Martínez, S. 1
  4. Somalo, S. 1
  5. Moreno, M.A. 3
  6. Torres, C. 12
  7. Zarazaga, M. 1
  1. 1 Universidad de La Rioja
    info

    Universidad de La Rioja

    Logroño, España

    ROR https://ror.org/0553yr311

  2. 2 Centro de Investigación Biomédica de La Rioja
    info

    Centro de Investigación Biomédica de La Rioja

    Logroño, España

    ROR https://ror.org/03vfjzd38

  3. 3 Universidad Complutense de Madrid
    info

    Universidad Complutense de Madrid

    Madrid, España

    ROR 02p0gd045

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Revue:
Clinical Microbiology and Infection

ISSN: 1198-743X

Année de publication: 2009

Volumen: 15

Número: 10

Pages: 954-957

Type: Article

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DOI: 10.1111/J.1469-0691.2009.02803.X PMID: 19519849 SCOPUS: 2-s2.0-70350604707 WoS: WOS:000270958300013 GOOGLE SCHOLAR

D'autres publications dans: Clinical Microbiology and Infection

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Objectifs de Développement Durable

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2006/00094/001

Résumé

Extended-spectrum β-lactamase (ESBL)-producing Escherichia coli isolates were detected in seven of 105 faecal samples from healthy humans, from two Spanish cities, during 2007. In these isolates, five ESBLs were detected, CTX-M-14 (n = 2), CTX-M-1 (n = 2), CTX-M-32 (n = 1), CTX-M-8 (n = 1) and TEM-52 (n = 1). Both blaCTX-M-14a (surrounded by ISEcp1-IS903) and blaCTX-M-14b variants (included in an integron structure) were identified in this study. This is the first time that the blaCTX-M-8 gene and ESBLs of the CTX-M-8 group have been found in Europe and Spain, respectively. Faecal E. coli of healthy humans therefore constitute a reservoir of blaCTX-M genes with different surrounding genetic elements. © 2009 The Authors. Journal Compilation © 2009 European Society of Clinical Microbiology and Infectious Diseases.