Epidemiology and Characteristics of Metallo-β-Lactamase-Producing Pseudomonas aeruginosa.

October 30, 2015 at 1:12 pm

Infect Chemother. 2015 Jun;47(2):81-97.

Hong DJ1, Bae IK2, Jang IH3, Jeong SH1, Kang HK2, Lee K1.

Author information

1Department of Laboratory Medicine and Research Institute of Bacterial Resistance, Yonsei University College of Medicine, Seoul, Korea.

2Department of Dental Hygiene, Silla University, Busan, Korea.

3Department of Biomedical Laboratory Science, College of Health Sciences, Sangji University, Wonju, Korea.

Abstract

Metallo-β-lactamase-producing Pseudomonas aeruginosa (MPPA) is an important nosocomial pathogen that shows resistance to all β-lactam antibiotics except monobactams.

There are various types of metallo-β-lactamases (MBLs) in carbapenem-resistant P. aeruginosa including Imipenemase (IMP), Verona integron-encoded metallo-β-lactamase (VIM), Sao Paulo metallo-β-lactamase (SPM), Germany imipenemase (GIM), New Delhi metallo-β-lactamase (NDM), Florence imipenemase (FIM).

Each MBL gene is located on specific genetic elements including integrons, transposons, plasmids, or on the chromosome, in which they carry genes encoding determinants of resistance to carbapenems and other antibiotics, conferring multidrug resistance to P. aeruginosa.

In addition, these genetic elements are transferable to other Gram-negative species, increasing the antimicrobial resistance rate and complicating the treatment of infected patients.

Therefore, it is essential to understand the epidemiology, resistance mechanism, and molecular characteristics of MPPA for infection control and prevention of a possible global health crisis. Here, we highlight the characteristics of MPPA.

PDF

http://www.ncbi.nlm.nih.gov/pmc/articles/PMC4495280/pdf/ic-47-81.pdf

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Entry filed under: Antimicrobianos, Bacterias, Bacteriemias, Biología Molecular, Epidemiología, Metodos diagnosticos, Resistencia bacteriana, Sepsis, Update.

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