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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 저널정보
- 한국미생물생명공학회 Journal of Microbiology and Biotechnology Journal of Microbiology and Biotechnology 제28권 제1호
- 발행연도
- 2018.1
- 수록면
- 77 - 86 (10page)
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초록· 키워드
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The human pathogen and food spoiler Bacillus cereus can form biofilms that act as a persistent source of contamination, which is of public health concern. This study aimed to understand how the source of isolation might affect the behavior of biofilm formation. Biofilm formation abilities of 56 strains of B. cereus isolated from different environments, including human food poisoning, farm, and food, were determined. Crystal violet assay results revealed significant (p < 0.05) differences in biofilm formation abilities among the strains isolated from different sources only at an early stage of incubation. However, strain origin showed no impact on later stage of biofilm formation. Next, correlation of the group of isolates on the basis of their biofilm-forming abilities with the number of sessile cells, sporulation, and extracellular polymeric substance (EPS) formation was determined. The number of sessile cells and spores in biofilms was greatly influenced by the groups of isolates that formed dense, moderate, and weak biofilms. The contribution of extracellular DNA and/or proteins to EPS formation was also positively correlated with biofilm formation abilities. Our results that the source of isolation had significant impact on biofilm formation might provide important information to develop strategies to control B. cereus biofilm formation.
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참고문헌 (38)
참고문헌 신청
Flemming HC / 2016 / Biofilms: an emergent form of bacterial life / Nat. Rev. Microbiol. 14:563~575
Davies DG / 1998 / The involvement of cell-to-cell signals in the development of a bacterial biofilm / Science 280:295~298
Allesen-Holm M / 2006 / A characterization of DNA release in Pseudomonas aeruginosa cultures and biofilms / Mol. Microbiol. 59:1114~1128
Lasa I / 2006 / Bap: a family of surface proteins involved in biofilm formation / Res. Microbiol. 157:99~107
Flemming HC / 2010 / The biofilm matrix / Nat. Rev. Microbiol. 8:623~633
Davies DG / 1998 / The involvement of cell-to-cell signals in the development of a bacterial biofilm / Science 280:295~298
Allesen-Holm M / 2006 / A characterization of DNA release in Pseudomonas aeruginosa cultures and biofilms / Mol. Microbiol. 59:1114~1128
Lasa I / 2006 / Bap: a family of surface proteins involved in biofilm formation / Res. Microbiol. 157:99~107
Flemming HC / 2010 / The biofilm matrix / Nat. Rev. Microbiol. 8:623~633
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