Journal Article

Mechanisms of Multidrug Resistance in <i>Acinetobacter</i> Species and <i>Pseudomonas aeruginosa</i>

Robert A. Bonomo and Dora Szabo

in Clinical Infectious Diseases

Published on behalf of Infectious Diseases Society of America

Volume 43, issue Supplement_2, pages S49-S56
Published in print September 2006 | ISSN: 1058-4838
Published online September 2006 | e-ISSN: 1537-6591 | DOI:
Mechanisms of Multidrug Resistance in Acinetobacter Species and Pseudomonas aeruginosa

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Acinetobacter species and Pseudomonas aeruginosa are noted for their intrinsic resistance to antibiotics and for their ability to acquire genes encoding resistance determinants. Foremost among the mechanisms of resistance in both of these pathogens is the production of β-lactamases and aminoglycoside-modifying enzymes. Additionally, diminished expression of outer membrane proteins, mutations in topoisomerases, and up-regulation of efflux pumps play an important part in antibiotic resistance. Unfortunately, the accumulation of multiple mechanisms of resistance leads to the development of multiply resistant or even “panresistant” strains.

Journal Article.  6847 words.  Illustrated.

Subjects: Infectious Diseases ; Immunology ; Public Health and Epidemiology ; Microbiology

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