期刊
NATURE PROTOCOLS
卷 3, 期 3, 页码 546-554出版社
NATURE PUBLISHING GROUP
DOI: 10.1038/nprot.2007.532
关键词
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An efficient biocatalytic process based on the use of adsorbent resin (in situ substrate feeding and product removal) makes experiments at high substrate concentration possible by overcoming limitations due to substrate and product inhibition. This process was successfully applied to the preparative scale Baeyer-Villiger biooxidation of (-)-(1S, 5R)-bicyclo[3.2.0]hept-2-en-6-one (25 g). Whole cells of recombinant E. coli (1 liter) overexpressing cyclohexanone monooxygenase were used as a biocatalyst and the substrate was preloaded onto the adsorbent resin. The corresponding lactone was obtained in 75-80% yield. Time for cell growth and biotransformation is about 24 h each and oxygen supply can be improved by using a tailor-made bubble column.
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