alexa Multiple antibiotic resistance (MAR) index and its reversion in Pseudomonas aeruginosa.
Infectious Diseases

Infectious Diseases

Journal of Tropical Diseases & Public Health

Author(s): Paul S, Bezbaruah RL, Roy MK, Ghosh AC

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Abstract The MAR indexes of hospital isolates of Pseudomonas aeruginosa were determined with reference to nine different cephalosporins. The values for all the strains were higher than 0.2 suggesting their origin from a high risk source of contamination where antibiotics are often used. Emergence of MAR pathogenic strains of Ps. aeruginosa indicated possible nosocomial infection in the hospital environment. beta-Lactamases produced by these organisms were tested and their inhibition by clavulanic acid was studied. beta-Lactamase produced by one of these strains (Ps-1) could not be inhibited by clavulanic acid whereas beta-lactamases of three other strains (Ps-2, Ps-3 and Ps-4) could be inhibited by clavulanic acid in the presence of cephalosporins, suggesting a possible use of clavulanic acid in combination with cephalosporins, to combat beta-lactamase induced resistance in Ps. aeruginosa.
This article was published in Lett Appl Microbiol and referenced in Journal of Tropical Diseases & Public Health

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