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KMID : 0613820030130010105
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Journal of Life Science
2003 Volume.13 No. 1 p.105 ~ p.109
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Development of Recombinant Saccharomyces cerevisiae Expressing Epoxide Hydrolase for the Preparation of Chiral Phenyl Oxirane
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Lee Soo-Jung
Lee Eun-Jung
Kim Cho-Hee
Lee Ji-Won
Kim Hee-Sook
Lee Eun-Yeol
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Abstract
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Epoxide hydrolase (EH) gene from Aspergillus niger #33 was cloned from cDNA library generated by reverse transcriptase-polymerase chain reaction (RT-PCR). The nucleotide sequence analysis revealed that the deduced amino acid sequence was almost similiar to that of A. niger LCP521 previously reported. The cloned EH gene was
transformed into Saccharomyces cerevisiae and expressed by addition of galactose. The recombinant S. cerevisiae showed hydrolytic activity toward racemic phenyl oxirane substrate based on chiral GC analysis, and can be used as a potential biocatalyst for the preparation of chiral phenyl oxirane.
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KEYWORD
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Aspergillus niger, epoxide hydrolase, cloning, chiral phenyl oxirane
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