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저자정보
(Department of Biological Engineering College of Engineering Konkuk University Seoul Republic of Kor) (College of Pharmacy and Graduate School of Pharmaceutical Sciences Ewha Womans University Seoul Rep) (Department of Biological Engineering College of Engineering Konkuk University Seoul Republic of Kor) (Department of Biological Engineering College of Engineering Konkuk University Seoul Republic of Kor) (Department of Biological Engineering College of Engineering Konkuk University Seoul Republic of Kor) (Department of Biological Engineering College of Engineering Konkuk University Seoul Republic of Kor) (Department of Biological Engineering College of Engineering Konkuk University Seoul Republic of Kor) (Division of Infectious Diseases Department of Medicine Montefiore Medical Center Albert Einstein Co) (Department of Biotechnology College of Engineering Duksung Women’s University Seoul Republic of Kor) (Department of Laboratory Medicine Kangdong Sacred Heart Hospital Hallym University College of Medic) (이화여자대학교) (건국대학교)
저널정보
한국미생물생명공학회 Journal of Microbiology and Biotechnology Journal of Microbiology and Biotechnology 제32권 제6호
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    초록·키워드

    Methicillin-resistant Staphylococcus aureus (MRSA) causes severe infections and poses a global healthcare challenge. The utilization of novel molecules which confer synergistical effects to existing MRSA-directed antibiotics is one of the well-accepted strategies in lieu of de novo development of new antibiotics. Thymol is a key component of the essential oil of plants in the Thymus and Origanum genera. Despite the absence of antimicrobial potency, thymol is known to inhibit MRSA biofilm formation. However, the anti-MRSA activity of thymol analogs is not well characterized. Here, we assessed the antimicrobial activity of several thymol derivatives and found that 4-chloro-2-isopropyl-5-methylphenol (chlorothymol) has antimicrobial activity against MRSA and in addition it also prevents biofilm formation. Chlorothymol inhibited staphyloxanthin production, slowed MRSA motility, and altered bacterial cell density and size. This compound also showed a synergistic antimicrobial activity with oxacillin against highly resistant S. aureus clinical isolates and biofilms associated with these isolates. Our results demonstrate that chlorinated thymol derivatives should be considered as a new lead compound in anti-MRSA therapeutics.

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