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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 저널정보
- 한국미생물생명공학회 Journal of Microbiology and Biotechnology Journal of Microbiology and Biotechnology 제25권 제8호
- 발행연도
- 2015.1
- 수록면
- 1,299 - 1,306 (8page)
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This study aims to investigate the mechanism of action of the cinnamon bark essential oil (CB), when used singly and also in combination with piperacillin, for its antimicrobial and synergistic activity against beta-lactamase TEM-1 plasmid-conferred Escherichia coli J53 R1. Viable count of bacteria for this combination of essential oil and antibiotic showed a complete killing profile at 20 h and further confirmed its synergistic effect by reducing the bacteria cell numbers. Analysis on the stability of treated cultures for cell membrane permeability by CB when tested against sodium dodecyl sulfate revealed that the bacterial cell membrane was disrupted by the essential oil. Scanning electron microscopy observation and bacterial surface charge measurement also revealed that CB causes irreversible membrane damage and reduces the bacterial surface charge. In addition, bioluminescence expression of Escherichia coli [pSB1075] and E. coli [pSB401] by CB showed reduction, indicating the possibility of the presence of quorum sensing (QS) inhibitors. Gas-chromatography and mass spectrometry of the essential oil of Cinnamomum verum showed that trans-cinnamaldehyde (72.81%), benzyl alcohol (12.5%), and eugenol (6.57%) were the major components in the essential oil. From this study, CB has the potential to reverse E. coli J53 R1 resistance to piperacillin through two pathways; modification in the permeability of the outer membrane or bacterial QS inhibition.
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참고문헌 (22)
참고문헌 신청
Alvarez M / 2004 / Epidemiology of conjugative plasmid-mediated AmpC betalactamases in the United States / Antimicrob. Agents Chemother 48 : 533 ~ 537
Bajpai VK / 2013 / Antibacterial mode of action of Cudrania tricuspidata fruit essential oil, affecting membrane permeability and surface characteristics of foodborne pathoge
Becerril R / 2007 / Combination of analytical and microbiological techniques to study the antimicrobial activity of a new active food packaging containing cinnamon or oregano
Bolla JM / 2011 / Strategies for bypassing the membrane barrier in multidrug resistant gram-negative bacteria / FEBS Lett 585 : 1682 ~ 1690
Borges A / 2013 / Antibacterial activity and mode of action of ferulic and gallic acids against pathogenic bacteria / Microb. Drug Resist 19 : 256 ~ 265
Bajpai VK / 2013 / Antibacterial mode of action of Cudrania tricuspidata fruit essential oil, affecting membrane permeability and surface characteristics of foodborne pathoge
Becerril R / 2007 / Combination of analytical and microbiological techniques to study the antimicrobial activity of a new active food packaging containing cinnamon or oregano
Bolla JM / 2011 / Strategies for bypassing the membrane barrier in multidrug resistant gram-negative bacteria / FEBS Lett 585 : 1682 ~ 1690
Borges A / 2013 / Antibacterial activity and mode of action of ferulic and gallic acids against pathogenic bacteria / Microb. Drug Resist 19 : 256 ~ 265
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