alexa Effect of yeast extract on growth kinetics during aerobic biodegradation of chlorobenzoic acids.
Environmental Sciences

Environmental Sciences

Journal of Bioremediation & Biodegradation

Author(s): Armenante PM, Fava F, Kafkewitz D

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Abstract The Monod or Andrews kinetic parameters describing the growth of Pseudomonas sp. CPE2 strain on 2,5-dich!orobenzoic acid and 2-chlorobenzoic acid, and Al-caligenes sp. CPE3 strain on 3,4-dichlorobenzoic acid, 4-chlorobenzoic acid, and 3-chlorobenzoic acid were determined from batch and continuous growth experiments conducted in the presence or absence of yeast extract (50 mg/L). Strain CPE2 displayed inhibitory growth kinetics in the absence of yeast extract and a noninhibitory kinetics in the presence of yeast extract. Similar results were obtained for CPE3. The presence of yeast extract also resulted in a significant increase in the affinity of the strains for the chlorobenzoic acids they degraded. (c) 1995 John Wiley & Sons, Inc. This article was published in Biotechnol Bioeng and referenced in Journal of Bioremediation & Biodegradation

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