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Methicillin-resistant Staphylococcus aureus (MRSA) presents a critical public health threat, arising from its capacity to resist β-lactam antibiotics due to acquisition of the mecA gene within the staphylococcal cassette chromosome mec (SCCmec). This gene encodes penicillin-binding protein 2a (PBP2a), which impairs binding efficacy of methicillin and other β-lactams. MRSA has evolved into distinct clonal lineages impacting humans and animals alike, reinforcing its significance within the One...
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Bacterial gastroenteritis, characterized by diarrhea, abdominal cramps, and vomiting, is often caused by ingestion of contaminated food or water and is frequently associated with pathogenic Escherichia coli strains. These microbes exploit two principal mechanisms to inflict disease.Shiga toxin–producing E. coli, also referred to as STEC—notably O157:H7—release Shiga toxins that target ribosomes, blocking protein synthesis. The B subunit of the toxin binds the host glycolipid receptor...
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Cefoperazone-treated Mouse Model of Clinically-relevant Clostridium difficile Strain R20291
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Published on: December 10, 2016

Clostridium difficile infection: new developments in epidemiology and pathogenesis.

Maja Rupnik1, Mark H Wilcox, Dale N Gerding

  • 1Institute of Public Health Maribor, Centre for Microbiology, Prvomajska 1, 2000 Maribor, Slovenia. maja.rupnik@uni-mb.si

Nature Reviews. Microbiology
|June 17, 2009
PubMed
Summary

Clostridium difficile infection (CDI) is a growing threat in healthcare settings and communities. Research is advancing to understand CDI virulence and develop new treatments and prevention strategies.

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A Protocol to Characterize the Morphological Changes of Clostridium difficile in Response to Antibiotic Treatment
12:58

A Protocol to Characterize the Morphological Changes of Clostridium difficile in Response to Antibiotic Treatment

Published on: May 25, 2017

Area of Science:

  • Infectious Diseases
  • Microbiology
  • Public Health

Background:

  • Clostridium difficile is a leading cause of health care-associated infections.
  • CDI is increasingly prevalent in the community and food animals.
  • CDI is no longer seen solely as a post-antibiotic complication.

Purpose of the Study:

  • To review recent epidemiological shifts in CDI.
  • To summarize current knowledge of C. difficile virulence factors.
  • To discuss clinical outcomes associated with CDI.

Main Methods:

  • Literature review of recent epidemiological data.
  • Synthesis of current research on C. difficile virulence.
  • Analysis of clinical outcomes and trends.

Main Results:

  • Significant increase in CDI prevalence and severity since 2001.
  • Identification of novel virulence factors contributing to CDI.
  • Expanded development of new treatment and prevention strategies.

Conclusions:

  • CDI represents a significant and evolving public health challenge.
  • Understanding virulence factors is crucial for effective management.
  • Continued research is vital for improved treatment and prevention of CDI.