Resistance to the quorum-quenching compounds brominated furanone C-30 and 5-fluorouracil in Pseudomonas aeruginosa clinical isolates

Rodolfo García-Contreras, Mariano Martínez-Vázquez, Norma Velázquez Guadarrama, Alejandra Guadalupe Villegas Pañeda, Takahiro Hashimoto, Toshinari Maeda, Héctor Quezada, Thomas Keith Wood

Research output: Contribution to journalArticle

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Abstract

The quorum-quenching compounds brominated furanone C-30 and 5-fluorouracil inhibit the pathogenicity of the Pseudomonas aeruginosa laboratory strains PA01 and PA14; however, there is no report studying the effectiveness of these compounds for clinical isolates. Therefore, the effect of both quorum quenchers on the production of pyocyanin, elastase and alkaline protease of eight clinical strains from children was evaluated. Although both compounds were in general effective for the attenuation of these factors, three strains resistant to C-30 were found. For 5-fluorouracil, PA01 and some clinical isolates showed resistance for at least one phenotype. In this work the effect of 2 quorum sensing inhibitors on different clinical isolates of Pseudomonas aeruginosa was examined and some of the isolates were found to be resistant the inhibitors. The results are potentially useful for the clinic and for treatment of P. aeruginosa infections.

Original languageEnglish (US)
Pages (from-to)8-11
Number of pages4
JournalPathogens and disease
Volume68
Issue number1
DOIs
StatePublished - Jan 1 2013

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Quorum Sensing
Fluorouracil
Pseudomonas aeruginosa
Pyocyanine
Pseudomonas Infections
Pancreatic Elastase
Virulence
Phenotype
furanone C-30
Therapeutics

All Science Journal Classification (ASJC) codes

  • Immunology and Allergy
  • Immunology and Microbiology(all)
  • Microbiology (medical)
  • Infectious Diseases

Cite this

García-Contreras, R., Martínez-Vázquez, M., Velázquez Guadarrama, N., Villegas Pañeda, A. G., Hashimoto, T., Maeda, T., ... Wood, T. K. (2013). Resistance to the quorum-quenching compounds brominated furanone C-30 and 5-fluorouracil in Pseudomonas aeruginosa clinical isolates. Pathogens and disease, 68(1), 8-11. https://doi.org/10.1111/2049-632X.12039
García-Contreras, Rodolfo ; Martínez-Vázquez, Mariano ; Velázquez Guadarrama, Norma ; Villegas Pañeda, Alejandra Guadalupe ; Hashimoto, Takahiro ; Maeda, Toshinari ; Quezada, Héctor ; Wood, Thomas Keith. / Resistance to the quorum-quenching compounds brominated furanone C-30 and 5-fluorouracil in Pseudomonas aeruginosa clinical isolates. In: Pathogens and disease. 2013 ; Vol. 68, No. 1. pp. 8-11.
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García-Contreras, R, Martínez-Vázquez, M, Velázquez Guadarrama, N, Villegas Pañeda, AG, Hashimoto, T, Maeda, T, Quezada, H & Wood, TK 2013, 'Resistance to the quorum-quenching compounds brominated furanone C-30 and 5-fluorouracil in Pseudomonas aeruginosa clinical isolates', Pathogens and disease, vol. 68, no. 1, pp. 8-11. https://doi.org/10.1111/2049-632X.12039

Resistance to the quorum-quenching compounds brominated furanone C-30 and 5-fluorouracil in Pseudomonas aeruginosa clinical isolates. / García-Contreras, Rodolfo; Martínez-Vázquez, Mariano; Velázquez Guadarrama, Norma; Villegas Pañeda, Alejandra Guadalupe; Hashimoto, Takahiro; Maeda, Toshinari; Quezada, Héctor; Wood, Thomas Keith.

In: Pathogens and disease, Vol. 68, No. 1, 01.01.2013, p. 8-11.

Research output: Contribution to journalArticle

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García-Contreras R, Martínez-Vázquez M, Velázquez Guadarrama N, Villegas Pañeda AG, Hashimoto T, Maeda T et al. Resistance to the quorum-quenching compounds brominated furanone C-30 and 5-fluorouracil in Pseudomonas aeruginosa clinical isolates. Pathogens and disease. 2013 Jan 1;68(1):8-11. https://doi.org/10.1111/2049-632X.12039