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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

Antibiotic resistance in bacteria arises when microorganisms evolve the ability to withstand drugs designed to kill them or inhibit their growth, rendering once-effective treatments useless. This phenomenon, driven by genetic change and selection under antibiotic exposure, poses a profound threat to modern medicine. Mechanisms include drug-inactivating enzymes (e.g., β-lactamases), efflux pumps that eject antibiotics, mutations altering antibiotic targets, decreased drug uptake, and acquisition...
Defense Against Bacterial Pathogens01:31

Defense Against Bacterial Pathogens

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Healthcare Associated Infections I: Iatrogenic, Exogenic and Endogenic

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Mismatch Repair

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Updated: Jun 2, 2026

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

Subcutaneous Infection of Methicillin Resistant Staphylococcus Aureus (MRSA)

Published on: February 9, 2011

Community-associated methicillin-resistant Staphylococcus aureus.

Terry L Grindstaff, Susan A Saliba, Dilaawar J Mistry

    North American Journal of Sports Physical Therapy : NAJSPT
    |April 28, 2011
    PubMed
    Summary
    This summary is machine-generated.

    Methicillin-resistant Staphylococcus aureus (MRSA) is a growing concern in athletic settings. This review aims to equip sports physical therapists with knowledge for recognizing, treating, and preventing MRSA infections in athletes.

    Related Experiment Videos

    Last Updated: Jun 2, 2026

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

    Subcutaneous Infection of Methicillin Resistant Staphylococcus Aureus (MRSA)

    Published on: February 9, 2011

    Area of Science:

    • Infectious Diseases
    • Sports Medicine
    • Public Health

    Background:

    • Methicillin-resistant Staphylococcus aureus (MRSA) poses a significant challenge in athletic environments.
    • Increasing prevalence of MRSA necessitates better understanding among healthcare professionals.
    • Athletes are at higher risk for transmission due to close contact and shared environments.

    Purpose of the Study:

    • To provide sports physical therapists with essential knowledge on MRSA.
    • To outline risk factors, recognition, and management strategies for MRSA in athletes.
    • To enhance prevention efforts for community-associated MRSA in athletic settings.

    Main Methods:

    • This review synthesizes current literature on MRSA in athletic populations.
    • Information on epidemiology, clinical presentation, and treatment guidelines is compiled.
    • Prevention strategies relevant to sports medicine are discussed.

    Main Results:

    • MRSA infections can manifest in various ways, often mimicking less severe skin conditions.
    • Prompt diagnosis and appropriate treatment are crucial to prevent complications and limit spread.
    • Environmental hygiene and athlete education are key components of prevention.

    Conclusions:

    • Sports physical therapists require enhanced education on MRSA to effectively manage infected athletes.
    • Early identification and intervention are critical for positive patient outcomes and community health.
    • Implementing comprehensive prevention protocols can reduce MRSA transmission in sports.