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Depression: 21st Century Solutions + The Dark Side of Wheat

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Abstract Title:

Thymol and carvacrol strongly inhibit biofilm formation and growth of carbapenemase-producing Gram negative bacilli.

Abstract Source:

Cell Mol Biol (Noisy-le-grand). 2017 May 20 ;63(5):108-112. Epub 2017 May 20. PMID: 28719354

Abstract Author(s):

P Raei, T Pourlak, M Y Memar, N Alizadeh, M Aghamali, E Zeinalzadeh, M Asgharzadeh, H S Kafil

Article Affiliation:

P Raei

Abstract:

Discovery of novel drugs with new mechanisms of action and without cross-reaction with current therapeutic agents is crucial in the management of infections caused by multi-drug resistant (MDR) bacteria. The aim of the present study was to investigate effects of carvacrol and thymol on biofilm formation and antimicrobial activity against different carbapenemase-producing Gram negative bacilli. The antimicrobial and antibiofilm effect of thymol and carvacrol was investigated against strains harboring different genes related to carbapenemase resistance. Antimicrobial resistance was examined by an agar dilution method and antibiofilm effect was evaluated by microtiter plate assay and staining by crystal violet. Thymol and carvacrol had antibacterial effects ranging from 200-1600μg/mL and 62-250 μg/mL respectively, and antibiofilm effect from 125-500 and 400-1600 μg/mL respectively. Seoul imipenemase- (SIM) producing isolates had the highest sensitivity, and NDM (New Delhi metallo-beta-lactamase) producing isolates had the lowest sensitivity to these components. Findingsof the present study indicated a potential role of carvacrol and thymol in controlling carbapenemase-producing gram negative bacterial infections. These findings helped to develop herbal drugs for replacing antibiotics. In addition, their antibiofilm effects showed that carvacrol and thymol inhibitbiofilm formation of carbapenemase-producing strains.

Study Type : In Vitro Study

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Sayer Ji
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Depression: 21st Century Solutions + The Dark Side of Wheat

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