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Effect of Different Incubation Atmospheres on the Production of Biofilm in Methicillin-Resistant Staphylococcus aureus (MRSA) Grown in Nutrient-Limited Medium

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Abstract

Today, methicillin-resistant Staphylococcus aureus (MRSA) is a feared cause of nosocomial infections worldwide. These organisms can gain increased resistance to antimicrobial agents through biofilm formation, which appears to be a bacterial survival strategy. MRSA isolates obtained from patients were cultured in nutrient-limited medium supplemented with 0.2% glucose in aerobic, anaerobic, and CO2 incubation atmospheres. Biofilm formation was quantified by the microtiter plate test. MRSA strains showed significantly lower biofilm production when grown in an aerobic atmosphere compared to that exhibited in CO2-rich environments. Gaseous conditions and growth in a nutritionally limited medium can profoundly influence the amount of biofilm formation in MRSA. This should be considered in any in vitro study of in vivo behavior.

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Authors and Affiliations

  1. Laboratory for Respiratory Microbiology, University Clinic of Respiratory and Allergic Diseases Golnik, Golnik 36, 4204, Golnik, Slovenia

    Viktor Uršič, Viktorija Tomič & Mitja Košnik

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  1. Viktor Uršič
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  2. Viktorija Tomič
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  3. Mitja Košnik
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Correspondence to Viktor Uršič.

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Uršič, V., Tomič, V. & Košnik, M. Effect of Different Incubation Atmospheres on the Production of Biofilm in Methicillin-Resistant Staphylococcus aureus (MRSA) Grown in Nutrient-Limited Medium. Curr Microbiol 57, 386–390 (2008). https://doi.org/10.1007/s00284-008-9211-z

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  • DOI: https://doi.org/10.1007/s00284-008-9211-z

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