pathway for camphor degradation follows the oxidative ring opening sequence from (+)-camphor to 6-hydroxycamphor, 6-oxocamphor, alpha-campholonic acid, and 2-hydroxy-alpha-campholonic acid. The catabolism of camphor via 1,2-campholide is a minor degradative pathway
functional expression in Escherichia coli of tricistronic constructs consisting of P450cam and the auxiliary proteins, Pd and PdR. Transformed bacterial whole cells efficiently oxidize (1R)-(+)-camphor to 6-exo-hydroxycamphor and interestingly limonene to (-)-perillyl alcohol. These bioengineered Escherichia coli cells possess a heterologous selfsufficient P450 catalytic system
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the genes responsible for early steps of D-camphor degradation, i.e. 5-exo-hydroxycamphor dehydrogenase, camD gene, cytochrome P-450cam, camC, NADH-putidaredoxin reductase camA, and putidaredoxin camB form an operon, camDCAB, and are under negative control by the gene camR located immediately upstream from the camD gene