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Appl Environ Microbiol. 2006 Jan;72(1):59-65.

Cytochrome P450 alkane hydroxylases of the CYP153 family are common in alkane-degrading eubacteria lacking integral membrane alkane hydroxylases.

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1
Institute of Biotechnology, ETH Hönggerberg, CH-8093 Zürich, Switzerland. vanbeilen@biotech.biol.ethz.ch

Abstract

Several strains that grow on medium-chain-length alkanes and catalyze interesting hydroxylation and epoxidation reactions do not possess integral membrane nonheme iron alkane hydroxylases. Using PCR, we show that most of these strains possess enzymes related to CYP153A1 and CYP153A6, cytochrome P450 enzymes that were characterized as alkane hydroxylases. A vector for the polycistronic coexpression of individual CYP153 genes with a ferredoxin gene and a ferredoxin reductase gene was constructed. Seven of the 11 CYP153 genes tested allowed Pseudomonas putida GPo12 recombinants to grow well on alkanes, providing evidence that the newly cloned P450s are indeed alkane hydroxylases.

PMID:
16391025
PMCID:
PMC1352210
DOI:
10.1128/AEM.72.1.59-65.2006
[Indexed for MEDLINE]
Free PMC Article
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