J. J. Alba-Romero, P. Ruíz-Flores, G. Castro-Escarpulli, S. Hernández-González, A. Martínez-Romero, J. L. Ortega-Sánchez
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Analysis of Cuorum Sensing-Dependent Virulence Factors and Drug Resistance in Pseudomonas Aeruginosa Strains
The objective was to analyze the virulence factors dependent on Cuorum Sensing and drug resistance in strains of Pseudomonas aeruginosa. Virulence factors such as pyocyanin, beta-lactamase, biofilm, and antibiotic resistance were determined in 95 strains of P. aeruginosa isolated from hospitalized patients. Genus and species were identified by protein analysis by MALDI-TOF. 100% of the strains were resistant to at least one drug and the highest proportion was 32 strains resistant to 4 drugs and 5 resistant PAM strains. In the analysis of virulence factors, 98.8% produce at least one virulence factor and 48.9% are beta-lactamase producers. Therefore, it is concluded that P. aeruginosa strains isolated from clinical samples constitute a risk factor for hospitalized patients.
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