Cloning and Characterization of a Gene Cluster Involved in Cyclopentanol Metabolism in Comamonas sp. Strain NCIMB 9872 and Biotransformations Effected by Escherichia coli -Expressed Cyclopentanone 1,2-Monooxygenase

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Cloning and characterization of a gene cluster involved in cyclopentanol metabolism in Comamonas sp. strain NCIMB 9872 and biotransformations effected by Escherichia coli-expressed cyclopentanone 1,2-monooxygenase.

Cyclopentanone 1,2-monooxygenase, a flavoprotein produced by Pseudomonas sp. strain NCIMB 9872 upon induction by cyclopentanol or cyclopentanone (M. Griffin and P. W. Trudgill, Biochem. J. 129:595-603, 1972), has been utilized as a biocatalyst in Baeyer-Villiger oxidations. To further explore this biocatalytic potential and to discover new genes, we have cloned and sequenced a 16-kb chromosomal...

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The human granulocyte-macrophage colony stimulation factor (hGM-CSF) gene was cloned in the pET 23a( +) expression vector under the control of strong bacteriophage T7 transcription and translation signals. The hGM-CSF gene was transferred into E. coli strainBL21 (DE3)pLysS andIPTG was used for induction of GM-CSF gene. Production of the target protein was obtained as revealed by ELISA and ...

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The metabolism of cyclopentanol by Pseudomonas N.C.I.B. 9872.

1. Pseudomonas N.C.I.B. 9872 grown on cyclopentanol as carbon source oxidized it at a rate of 228mul of O(2)/h per mg dry wt. and the overall consumption of 5.9mumol of O(2)/mumol of substrate. Cyclopentanone was oxidized at a similar rate with the overall consumption of 5.2mumol of O(2)mumol of substrate. Cells grown with sodium acetate as sole source of carbon were incapable of significant im...

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The npd gene cluster, which encodes the enzymes of a p-nitrophenol catabolic pathway from Arthrobacter sp. strain JS443, was cloned and sequenced. Three genes, npdB, npdA1, and npdA2, were independently expressed in Escherichia coli in order to confirm the identities of their gene products. NpdA2 is a p-nitrophenol monooxygenase belonging to the two-component flavin-diffusible monooxygenase fam...

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ژورنال

عنوان ژورنال: Applied and Environmental Microbiology

سال: 2002

ISSN: 0099-2240,1098-5336

DOI: 10.1128/aem.68.11.5671-5684.2002