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Clinical Significance of Antibiotic Resistance01:25

Clinical Significance of Antibiotic Resistance

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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Staphylococcal Skin Infections

Staphylococcus aureus is a Gram-positive coccus that resides harmlessly on the skin and mucous membranes of healthy individuals. When the skin barrier is breached, it can shift from a commensal to an opportunistic pathogen. This transition is facilitated by surface adhesins, such as clumping factor B and S. aureus surface protein G (SasG), which bind to structural proteins, including loricrin and cytokeratin, in the damaged epidermis. Protein A, another key factor, binds the Fc region of...
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Mechanism of Antibiotic Resistance in MRSA

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Bacterial Meningitis I: Introduction

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Related Experiment Video

Updated: May 31, 2026

Subcutaneous Infection of Methicillin Resistant Staphylococcus Aureus (MRSA)
12:18

Subcutaneous Infection of Methicillin Resistant Staphylococcus Aureus (MRSA)

Published on: February 9, 2011

MRSA infections in children.

R C Sanders, R M Diokno, J Romero

    The Journal of the Arkansas Medical Society
    |June 30, 2011
    PubMed
    Summary

    Methicillin-resistant Staphylococcus aureus (MRSA) presents a growing global health threat, increasingly seen in both hospital and community settings. Understanding MRSA transmission and spread is crucial for effective control and management strategies.

    Area of Science:

    • Infectious Diseases
    • Microbiology
    • Public Health

    Background:

    • Methicillin-resistant Staphylococcus aureus (MRSA) infections pose a significant and escalating challenge to healthcare systems worldwide.
    • Historically confined to hospital settings, MRSA is now prevalent in the outpatient environment, indicating a shift in transmission dynamics.
    • The increasing prevalence necessitates a comprehensive understanding of MRSA's distribution patterns and contributing factors.

    Purpose of the Study:

    • To review the current state of Methicillin-resistant Staphylococcus aureus (MRSA) transmission.
    • To identify and analyze factors associated with the widespread distribution of MRSA.
    • To provide insights into effective control and management strategies for MRSA infections.

    Main Methods:

    Related Experiment Videos

    Last Updated: May 31, 2026

    Subcutaneous Infection of Methicillin Resistant Staphylococcus Aureus (MRSA)
    12:18

    Subcutaneous Infection of Methicillin Resistant Staphylococcus Aureus (MRSA)

    Published on: February 9, 2011

  • Literature review of current research on MRSA.
  • Analysis of epidemiological data on MRSA prevalence and distribution.
  • Synthesis of information on MRSA transmission, control, and management.

    • Main Results:

    • MRSA infections are a formidable and exponentially increasing challenge for healthcare providers.
    • MRSA is now encountered in outpatient settings, not just among hospitalized patients.
    • Understanding MRSA distribution and spread factors is paramount for recognition and eradication.

    Conclusions:

    • Effective recognition and eradication of MRSA require a thorough understanding of its widespread distribution.
    • Current MRSA transmission, control, and management strategies need continuous review and adaptation.
    • Addressing the evolving landscape of MRSA necessitates a multi-faceted approach encompassing surveillance and intervention.