Utilization of cyclohexanone and related substances by a Nocardia sp. |
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Authors: | J R Murray T A Scheikowski I C MacRae |
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Institution: | 1. Department of Microbiology, University of Queensland, Brisbane, Australia
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Abstract: | A species of the genus Nocardia that could utilize cyclohexanone as a sole carbon source was isolated from soil. Cyclohexanone-grown cultures grew readily on cyclohexanol, cis, trans-cyclohexane-1,2-diol, cis-cyclohexane-1,2-diol, adipic acid and 2-hydroxycyclohexane-1-one without a noticeable lag period. The bacterium also grew on pimelic acid but only after a lag period of 4 days. Resting cell suspensions of cyclohexanone-grown cells were found to oxidize cyclohexanone, cyclohexanol, cyclohexane-1,2-dione, cis, trans-cyclohexane-1,2-diol and 2-hydroxycyclohexane-1-one at high \({\text{Q}}_{{\text{O}}_{\text{2}} }\) values. Evidence was obtained that indicated that the bacterium degraded cyclohexanone via 2-hydroxycyclohexane-1-one. |
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