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http://dx.doi.org/10.5352/JLS.2006.16.3.415

Development of Recombinant Escherichia coli Expressing Rhodotorula glutinis Epoxide Hydrolase  

Lee Soo-Jung (Department of Food Science and Technology, College of Engineering, Kyungsung University)
Kim Hee-Sook (Department of Food Science and Technology, College of Engineering, Kyungsung University)
Publication Information
Journal of Life Science / v.16, no.3, 2006 , pp. 415-419 More about this Journal
Abstract
The epoxide hydrolase (EH) of Rhodotorula glutinis which has a high enantioselectivity against aromatic epoxide substrates was expressed to high levels in Escherichia coli based on codon usage. We analysed the Preference of codon usage between the yeast, R. glutinis, and bacteria, E. coli. E. coli, Rosetta(DE3)pLysS, harbors pRARE plasmid with tRNA genes for rare-codons was employed as a host strain. The recombinant E. coli expressing R. glutinis EH showed an enhanced enantioselective hydrolysis activity toward racemic styrene oxide. Enantiopure (S)-styrene oxide with a high enantiopurity of 99% ee (enantiomeric excess) was obtained from racemic substrates.
Keywords
Epoxide hydrolase; Rhodotorula glutinis; enantioselective hydrolysis; Escherichia coli Rosetta; codon usage;
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