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Antimicrobial resistance in Clostridioides difficile.

Keeley O'Grady1, Daniel R Knight1,2, Thomas V Riley3,4,5,6

  • 1Centre for Biosecurity and One Health, Harry Butler Institute, Murdoch University, Murdoch, Western Australia, Australia.

European Journal of Clinical Microbiology & Infectious Diseases : Official Publication of the European Society of Clinical Microbiology
|August 24, 2021
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Summary
This summary is machine-generated.

Antimicrobial resistance (AMR) in Clostridioides difficile poses a major threat, acting as a reservoir for transferable AMR genes. Understanding AMR genetics is crucial for effective Clostridioides difficile infection (CDI) treatment and preventing wider AMR spread.

Keywords:
Antimicrobial resistanceClostridioides difficileEpidemiologyGeneticsGenomePhenotype

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Area of Science:

  • Microbiology
  • Genetics
  • Infectious Diseases

Background:

  • Clostridioides difficile infection (CDI) is a significant healthcare concern.
  • Antimicrobial resistance (AMR) in C. difficile contributes to treatment challenges and poses a broader public health risk.
  • AMR genes in C. difficile can transfer to other bacterial pathogens.

Purpose of the Study:

  • To review the genetic basis of AMR in C. difficile.
  • To discuss factors complicating the assessment of AMR burden in C. difficile.
  • To explore the impact of AMR on CDI treatment strategies.

Main Methods:

  • Literature review focusing on the genetics of AMR in C. difficile.
  • Analysis of current understanding of resistance mechanisms, including plasmid-mediated resistance.
  • Discussion of epidemiological and clinical factors influencing AMR prevalence.

Main Results:

  • AMR in C. difficile is a complex issue with incompletely understood resistance mechanisms.
  • Emerging evidence suggests plasmid-mediated resistance plays a significant role.
  • Accurately determining the true burden of AMR in C. difficile is challenging.

Conclusions:

  • Further research into AMR genetics in C. difficile is essential.
  • Understanding resistance mechanisms is key to improving CDI treatment outcomes.
  • Addressing AMR in C. difficile is critical for both individual patient care and broader antimicrobial stewardship.