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Partial characterization of a transposon containing the tet(A) determinant in a clinical isolate of Acinetobacter baumannii.
Ribera A, Roca I, Ruiz J, Gibert I, Vila J. Ribera A, et al. J Antimicrob Chemother. 2003 Sep;52(3):477-80. doi: 10.1093/jac/dkg344. Epub 2003 Jul 29. J Antimicrob Chemother. 2003. PMID: 12888597
This gene was recovered together with tetR(A) (651 bp), the tet(A) repressor. Moreover, the partial sequence (2,008 bp) of a transposase gene, tnpA, and 1,316 bp corresponding to an IS, similar to that described in one strain of Salmonella typhi (IS4321), wer …
This gene was recovered together with tetR(A) (651 bp), the tet(A) repressor. Moreover, the partial sequence (2,008 bp) of …
Antimicrobial susceptibility and mechanisms of resistance to quinolones and beta-lactams in Acinetobacter genospecies 3.
Ribera A, Fernández-Cuenca F, Beceiro A, Bou G, Martínez-Martínez L, Pascual A, Cisneros JM, Rodríguez-Baño J, Pachón J, Vila J; Spanish Group for Nosocomial Infection. Ribera A, et al. Antimicrob Agents Chemother. 2004 Apr;48(4):1430-2. doi: 10.1128/aac.48.4.1430-1432.2004. Antimicrob Agents Chemother. 2004. PMID: 15047561 Free PMC article.
Moreover, the mechanisms of resistance to some beta-lactam antibiotics may be associated with the presence of a chromosomal cephalosporinase, AmpC, and the resistance to quinolones related to mutations in the gyrA and parC genes....
Moreover, the mechanisms of resistance to some beta-lactam antibiotics may be associated with the presence of a chromosomal cephalosp …
Type 1 integrons in epidemiologically unrelated Acinetobacter baumannii isolates collected at Spanish hospitals.
Ribera A, Vila J, Fernández-Cuenca F, Martínez-Martínez L, Pascual A, Beceiro A, Bou G, Cisneros JM, Pachón J, Rodríguez-Baño J; Spanish Group for Nosocomial Infection (GEIH). Ribera A, et al. Antimicrob Agents Chemother. 2004 Jan;48(1):364-5. doi: 10.1128/aac.48.1.364-365.2004. Antimicrob Agents Chemother. 2004. PMID: 14693570 Free PMC article. No abstract available.
Analysis of the mechanisms of quinolone resistance in clinical isolates of Citrobacter freundii.
Navia MM, Ruiz J, Ribera A, de Anta MT, Vila J. Navia MM, et al. J Antimicrob Chemother. 1999 Dec;44(6):743-8. doi: 10.1093/jac/44.6.743. J Antimicrob Chemother. 1999. PMID: 10590274
The quinolone-resistant strains were classified into two groups: one group (group A) composed of strains resistant to nalidixic acid but not to ciprofloxacin and another (group B) including those resistant to both antibiotics with a mutation at codon 83 of the gyrA …
The quinolone-resistant strains were classified into two groups: one group (group A) composed of strains resistant to nalidixic acid …
False extended-spectrum beta-lactamase detection in Acinetobacter spp. due to intrinsic susceptibility to clavulanic acid.
Beceiro A, Fernández-Cuenca F, Ribera A, Martínez-Martínez L, Pascual A, Vila J, Rodríguez-Baño J, Cisneros JM, Pachón J, Bou G; Spanish Group for Nosocomial Infection (GEIH). Beceiro A, et al. J Antimicrob Chemother. 2008 Feb;61(2):301-8. doi: 10.1093/jac/dkm461. Epub 2007 Dec 8. J Antimicrob Chemother. 2008. PMID: 18065824
To address this issue, we determined the MIC of clavulanic acid for a broad collection of Acinetobacter spp. isolates collected in a multicentre study. ...METHODS: The strains used were 244 isolates of Acinetobacter (226 A. baumannii, 15 Acinetobacter genomic …
To address this issue, we determined the MIC of clavulanic acid for a broad collection of Acinetobacter spp. isolates collected in …
Molecular characterization of the gene encoding a new AmpC beta-lactamase in a clinical strain of acinetobacter genomic species 3.
Beceiro A, Dominguez L, Ribera A, Vila J, Molina F, Villanueva R, Eiros JM, Bou G. Beceiro A, et al. Antimicrob Agents Chemother. 2004 Apr;48(4):1374-8. doi: 10.1128/aac.48.4.1374-1378.2004. Antimicrob Agents Chemother. 2004. PMID: 15047547 Free PMC article.
A presumptive chromosomal cephalosporinase (pI, 9.0) from a clinical strain of Acinetobacter genomic species 3 (AG3) is reported. ...
A presumptive chromosomal cephalosporinase (pI, 9.0) from a clinical strain of Acinetobacter genomic species 3 (AG3) is report
[Prevalence of the tetA and tetB genes as mechanisms of resistance to tetracycline and minocycline in Acinetobacter baumannii clinical isolates].
Martí S, Fernández-Cuenca F, Pascual A, Ribera A, Rodríguez-Baño J, Bou G, Miguel Cisneros J, Pachón J, Martínez-Martínez L, Vila J; Grupo de Estudio de Infección Hospitalaria (GEIH). Martí S, et al. Enferm Infecc Microbiol Clin. 2006 Feb;24(2):77-80. doi: 10.1157/13085012. Enferm Infecc Microbiol Clin. 2006. PMID: 16545313 Spanish.
The aim of this study was to analyze the prevalence of the tetA and tetB genes in a collection of A. baumannii strains that were not epidemiologically related. ...CONCLUSION: Although resistance to tetracycline in Acinetobacter baumannii clinical isolates is greater …
The aim of this study was to analyze the prevalence of the tetA and tetB genes in a collection of A. baumannii strains that we …
High prevalence of nalidixic acid resistant, ciprofloxacin susceptible phenotype among clinical isolates of Escherichia coli and other Enterobacteriaceae.
Ruiz J, Gómez J, Navia MM, Ribera A, Sierra JM, Marco F, Mensa J, Vila J. Ruiz J, et al. Diagn Microbiol Infect Dis. 2002 Apr;42(4):257-61. doi: 10.1016/s0732-8893(01)00357-1. Diagn Microbiol Infect Dis. 2002. PMID: 12007443
The Escherichia coli strains presenting this phenotype already have a mutation in the amino acid codon Ser-83 of the gyrA gene, so that the possibility of developing a second mechanism of resistance during treatment is very high....
The Escherichia coli strains presenting this phenotype already have a mutation in the amino acid codon Ser-83 of the gyrA gene, so th …
Effect of an efflux pump inhibitor on the MIC of nalidixic acid for Acinetobacter baumannii and Stenotrophomonas maltophilia clinical isolates.
Ribera A, Ruiz J, Jiminez de Anta MT, Vila J. Ribera A, et al. J Antimicrob Chemother. 2002 Apr;49(4):697-8. doi: 10.1093/jac/49.4.697. J Antimicrob Chemother. 2002. PMID: 11909848 No abstract available.
In vitro activity of clinafloxacin in comparison with other quinolones against Stenotrophomonas maltophilia clinical isolates in the presence and absence of reserpine.
Ribera A, Jurado A, Ruiz J, Marco F, Del Valle O, Mensa J, Chaves J, Hernández G, Jiménez de Anta MT, Vila J. Ribera A, et al. Diagn Microbiol Infect Dis. 2002 Feb;42(2):123-8. doi: 10.1016/s0732-8893(01)00335-2. Diagn Microbiol Infect Dis. 2002. PMID: 11858908
A total of 33 Stenotrophomonas maltophilia clinical isolates were tested for their susceptibility to clinafloxacin in comparison with ciprofloxacin, levofloxacin, moxifloxacin, nalidixic acid, norfloxacin, sparfloxacin and trovafloxacin. ...Clinafloxacin was the most activ
A total of 33 Stenotrophomonas maltophilia clinical isolates were tested for their susceptibility to clinafloxacin in comparison with
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