Dissemination and persistence of blaCTX-M-9 are linked to class 1 integrons containing CR1 associated with defective transposon derivatives from Tn402 located in early antibiotic resistance plasmids of IncHI2, IncP1-alpha, and IncFI groups.

@article{Novais2006DisseminationAP,
  title={Dissemination and persistence of blaCTX-M-9 are linked to class 1 integrons containing CR1 associated with defective transposon derivatives from Tn402 located in early antibiotic resistance plasmids of IncHI2, IncP1-alpha, and IncFI groups.},
  author={{\^A}ngela Novais and Rafael Cant{\'o}n and Ar{\'a}nzazu Valverde and Elisabete Machado and J A Gal{\'a}n and Lu{\'i}sa Vieira Peixe and Alessandra Carattoli and Fernando Baquero and Teresa M. Coque},
  journal={Antimicrobial agents and chemotherapy},
  year={2006},
  volume={50 8},
  pages={2741-50}
}
This study analyzes the diversity of In60, a class 1 integron bearing CR1 and containing bla(CTX-M-9), and its association with Tn402, Tn21, and classical conjugative plasmids among 45 CTX-M-9-producing clinical strains (41 Escherichia coli strains, 2 Klebsiella pneumoniae strains, 1 Salmonella enterica strain, and 1 Enterobacter cloacae strain). Forty-five patients in a Spanish tertiary care hospital were studied (1996 to 2003). The diversity of In60 and association of In60 with Tn402 or… CONTINUE READING

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