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2014 Fiscal Year Final Research Report

Identification of short and branched-chain aldehyde reductases and its application for unnatural biochemical production

Research Project

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Project/Area Number 25892021
Research Category

Grant-in-Aid for Research Activity Start-up

Allocation TypeSingle-year Grants
Research Field Applied microbiology
Research InstitutionYamaguchi University

Principal Investigator

KATAOKA Naoya  山口大学, 農学部, 助教 (50713509)

Project Period (FY) 2013-08-30 – 2015-03-31
Keywords1,3-ブタンジオール / ブタノール / 3-ヒドロキシブチルアルデヒド / 大腸菌 / 合成代謝経路 / アルコール脱水素酵素 / 代謝工学 / 合成生物工学
Outline of Final Research Achievements

The fermentation conditions including pH and overall oxygen transfer coefficient (kLa) were optimized to improve 1,3-butanediol production by metabolically engineered Escherichia coli. AdhP, EutG, and YqhD in E. coli were identified as alcohol dehydrogenases that catalyze the reduction of 3-hydroxybutyraldehyde to 1,3-butanediol. A CoA-dependent butanol synthetic pathway that functions under aerobic conditions was constructed in E. coli, by expanding the previously reported 1,3-butanediol synthetic pathway.

Free Research Field

微生物代謝

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Published: 2016-06-03  

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