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Journal of Animal and Veterinary Advances
Year: 2008  |  Volume: 7  |  Issue: 10  |  Page No.: 1282 - 1284

Biofilm Formation of Escherichia coli O111 on Plastic Surfaces

M.H. Movassagh Ghazani, J. Dolgharisharaf, M. Khajeh and K. Najafian    

Abstract: A biofilm can be defined as a sessile bacterial community of cells that live attached to each other and to surfaces. Attachment and biofilm formation by food-borne pathogens and spoilage microorganisms on food contact surfaces in processing plants are a public health and cross-contamination concern. Biofilms are found ubiquitously in virtually all natural, medical and industrial settings where bacteria exist. Biofilm formation by Escherichia coli O111 on commonly used plastic surfaces was studied. For this study 12 plastic chips were used. E.coli strain was added to the beakers with TSB and the samples. Escherichia coli O111 formed biofilm with a mean cell density of 7.690.19 log CFU/cm2 on plastic surface. Based on the results, it can be concluded that Escherichia coli O111 can survive on plastic surfaces. This is the first report, as far as we are aware, of biofilm formation by Escherichia coli O111 on plastic surfaces. We were unable to find reports in our search of the literature.

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