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Review
. 2018:1050:137-159.
doi: 10.1007/978-3-319-72799-8_9.

Antibiotic Resistances of Clostridium difficile

Patrizia Spigaglia  1 , Paola Mastrantonio  2 , Fabrizio Barbanti  2
Affiliations
Review

Antibiotic Resistances of Clostridium difficile

Patrizia Spigaglia et al. Adv Exp Med Biol. 2018.

Abstract

The rapid evolution of antibiotic resistance in Clostridium difficile and the consequent effects on prevention and treatment of C. difficile infections (CDIs) are matter of concern for public health. Antibiotic resistance plays an important role in driving C. difficile epidemiology. Emergence of new types is often associated with the emergence of new resistances and most of epidemic C. difficile clinical isolates is currently resistant to multiple antibiotics. In particular, it is to worth to note the recent identification of strains with reduced susceptibility to the first-line antibiotics for CDI treatment and/or for relapsing infections. Antibiotic resistance in C. difficile has a multifactorial nature. Acquisition of genetic elements and alterations of the antibiotic target sites, as well as other factors, such as variations in the metabolic pathways and biofilm production, contribute to the survival of this pathogen in the presence of antibiotics. Different transfer mechanisms facilitate the spread of mobile elements among C. difficile strains and between C. difficile and other species. Furthermore, recent data indicate that both genetic elements and alterations in the antibiotic targets can be maintained in C. difficile regardless of the burden imposed on fitness, and therefore resistances may persist in C. difficile population in absence of antibiotic selective pressure.

Keywords: Antibiotic susceptibility methods; C. difficile; Mechanisms of resistance; Multi-drug resistance (MDR).

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