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Using Candida oleophila as a biocontriol agens to prevent foodborne Escherichia coli O157 EHEC infections

Yujian Wang1*, An Wei2 and Hongyu Li3

Author Affiliations

1 Key Laboratory of Environmental and Applied Microbiology, Chengdu Institute of Biology, Chinese Academy of Sciences, Chengdu, 610041, People’s Republic of China

2 Department of chemical engineering, Boston University, Boston, MA, 02215, USA

3 Institute of Microbiology, School of Life Sciences, Lanzhou University, Lanzhou, 730000, People’s Republic of China

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SpringerPlus 2012, 1:82  doi:10.1186/2193-1801-1-82

Published: 28 December 2012


Escherichia coli O157:H7 (EHEC O157) is a serious pathogen causing haemorrhagic colitis. In this study, inactivation kinetics of inoculated EHEC O157 and response of EHEC O157 in apple wounds by different concentrations of C. oleophila was investigated. The results presented in this study indicated that EHEC O157 could survive and grow in wounded ‘Fuji’ apples and extensively proliferate. Water as a decontaminant was ineffective in reducing EHEC O157 in wounded apples. C. oleophila could be a viable method of controlling wound contaminated by this pathogen at room temperature.

Escherichia coli O157:H7; Candida oleophila; Apple wounds; Response