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Modelling production of extracellular polymeric substances in a Pseudomonas aeruginosa chemostat culture

Kommedal, R., Bakke, R., Dockery, J. and Stoodley, P. (2001) Modelling production of extracellular polymeric substances in a Pseudomonas aeruginosa chemostat culture Water Science & Technology, 43, (6), pp. 129-134.

Record type: Article


Formation of extracellular polymeric substances (EPSs) by mucoid Pseudomonas aeruginosa was investigated using literature data from chemostat cultures. The data were used to calibrate a product formation regime allowing substrate sufficient and endogenous EPS formation. Yield coefficients for both formation conditions were elucidated based on metabolic pathway analysis. Growth and non-growth related specific formation rates of 0.18 g CEPS/g Ccell/h and 0.03 1/h were estimated, respectively. The exogenous and endogenous EPS yield was found to be 0.77 g CEPS/g Cglu and 0.79 g CEPS/g Ccell, respectively. Being structurally equivalent to comprehensive maintenance models, this model allows for non-growth related product formation, showing the same quality of fit as previous models restricted to exogenous EPS precursors.

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Published date: 2001
Organisations: Engineering Mats & Surface Engineerg Gp


Local EPrints ID: 157455
ISSN: 0273-1223
PURE UUID: ad3c43d4-cf22-4025-9cf0-cef004d45feb

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Date deposited: 09 Jun 2010 16:35
Last modified: 18 Jul 2017 12:40

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Author: R. Kommedal
Author: R. Bakke
Author: J. Dockery
Author: P. Stoodley

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