Enhancement of heterologous production of eicosapentaenoic acid in Escherichia coli by substitution of promoter sequences within the biosynthesis gene cluster = 생합성 유전자의 프로모터 개량에 의한 이종숙주에서 EPA의 생산량 증대

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Title
Enhancement of heterologous production of eicosapentaenoic acid in Escherichia coli by substitution of promoter sequences within the biosynthesis gene cluster = 생합성 유전자의 프로모터 개량에 의한 이종숙주에서 EPA의 생산량 증대
Author(s)
Soo-Jin Lee; Chul Ho Kim; Pil-Soo Seo; Oh Suk Kwon; B K Hur; Jeong Woo Seo
Bibliographic Citation
Biotechnology Letters, vol. 30, no. 12, pp. 2139-2142
Publication Year
2008
Abstract
To enhance the heterologous production of eicosapentaenoic acid (EPA) in Escherichia coli, the EPA biosynthesis gene cluster from Shewanella oneidensis MR-1 was cloned under the lacZ promoter on a high-copy number plasmid, pBluescript SK(+). The production of EPA was remarkably enhanced yielding levels of up to 7.5% of the total fatty acid content in the recombinant E. coli strain by induction with IPTG, whereas the stimulation of EPA production was abolished by adding glucose into the culture medium, probably due to glucose repression acting on the promoter activity.
Keyword
Biosynthesis gene clusterEicosapentaenoic acidEscherichia coliHeterologous productionLacZ promoterShewanella oneidensis
ISSN
0141-5492
Publisher
Springer
DOI
http://dx.doi.org/10.1007/s10529-008-9809-z
Type
Article
Appears in Collections:
Jeonbuk Branch Institute > Microbial Biotechnology Research Center > 1. Journal Articles
Division of Bio Technology Innovation > SME Support Center > 1. Journal Articles
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