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MRSA compendium of epidemiology, transmission, pathophysiology, treatment, and prevention within one health framework

Muhammad Shoaib1, Amjad Islam Aqib2, Iqra Muzammil3

  • 1Key Laboratory of New Animal Drug Project, Gansu Province/Key Laboratory of Veterinary Pharmaceutical Development, Ministry of Agriculture and Rural Affairs/Lanzhou Institute of Husbandry and Pharmaceutical Sciences of the Chinese Academy of Agricultural Sciences, Lanzhou, China.

Frontiers in Microbiology
|January 27, 2023
PubMed

Insights

Methicillin-resistant Staphylococcus aureus (MRSA) is a growing threat in human and animal health, causing severe infections due to antibiotic resistance and virulence factors. Alternative treatments and control strategies are urgently needed to combat its spread and impact.

Area of Science:

  • Microbiology
  • Infectious Diseases
  • Public Health

Background:

  • Staphylococcus aureus is a common bacterium, acting as both a harmless commensal and a dangerous pathogen.
  • Methicillin-resistant Staphylococcus aureus (MRSA) has become a significant threat in healthcare, community, and veterinary settings.
  • MRSA arises from MSSA acquiring the SCCmec element, leading to resistance against beta-lactam antibiotics via the mecA gene and PBP-2α production.

Purpose of the Study:

  • To provide a comprehensive overview of MRSA.
  • To discuss the emergence, transmission, and epidemiology of MRSA.
  • To explore the pathophysiology, clinical manifestations, and novel therapeutic and control strategies for MRSA.

Main Methods:

  • This review synthesizes existing literature on MRSA.
  • It examines the genetic basis of MRSA antibiotic resistance.
  • It analyzes the virulence factors contributing to MRSA pathogenicity.

Main Results:

  • MRSA poses a substantial risk to public health and livestock.
  • MRSA infections range from skin and soft tissue infections to life-threatening conditions like bacteremia and septicemia.
  • Increasing antibiotic resistance necessitates the exploration of alternative interventions.

Conclusions:

  • MRSA represents a critical challenge due to its resistance and virulence.
  • Effective control and novel treatment strategies are essential to mitigate MRSA's impact.
  • Further research into alternative approaches is crucial for managing MRSA infections.

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