Resistance of bacterial film to contamination during use as inoculum in repeated batch fermentation |
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Authors: | Sushama Joshi Hiroshi Yamazaki |
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Institution: | (1) Department of Biology and Institute of Biochemistry, Carleton University, K1S 5B6 Ottawa, Ontario, Canada |
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Abstract: | Summary AnEscherichia coli strain constitutive for -galactosidase was immobilized onto cotton cloth. The resultingE.coli film was used as a resident inoculum in repeated batch fermentations for 30 days in the presence ofBrevibacterium ammoniagenes added as a contaminant. Analysis of -galactosidase production shows that contamination did not decrease the capacity of the film to generateE.coli cells, or decrease theE.coli population on the film. |
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