Dual synthetic pathway for 3-hydroxypropionic acid production in engineered Escherichia coli

Hiroshi Honjo, Keigo Tsuruno, Tsuneyuki Tatsuke, Masaki Sato, Taizo Hanai

研究成果: ジャーナルへの寄稿記事

20 引用 (Scopus)

抄録

3-Hydroxypropionic acid (3-HP) is an important platform C3 chemical; production of 3-HP in recombinant Escherichia coli by synthetic pathways has been the focus of a lot of research. When glycerol is used as a substrate to produce 3-HP in E. coli, only the ALDH pathway (employing aldehyde dehydrogenase (ALDH) for conversion of 3-hydroxypropionaldehyde (3-HPA) into 3-HP) has been utilized as a synthetic pathway. However, several bacteria (including Klebsiella pneumoniae) are known to have the ability to produce 3-HP by the Pdu pathway (employing the PduP, PduL, and PduW enzymes). Here, we report the production of 3-HP in E. coli by using the Pdu pathway from K. pneumoniae as a synthetic pathway. Moreover, a strain harboring a dual synthetic pathways (ALDH and Pdu) exhibited a 70% increase in 3-HP titer compared to one harboring the ALDH pathway alone (56.1 ± 0.736 mM and 33.1 ± 0.920 mM, respectively). To our knowledge, this is the first report of 3-HP production by E. coli harboring the Pdu pathway, with the dual synthetic pathway showing the highest yield ever reported by batch culture [54.1% (mol/mol)].

元の言語英語
ページ(範囲)199-204
ページ数6
ジャーナルJournal of Bioscience and Bioengineering
120
発行部数2
DOI
出版物ステータス出版済み - 8 1 2015

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Escherichia coli
Aldehyde Dehydrogenase
Acids
Aldehydes
Klebsiella pneumoniae
Batch Cell Culture Techniques
hydracrylic acid
Glycerol
Bacteria
Enzymes
Oxidoreductases
Substrates
Research

All Science Journal Classification (ASJC) codes

  • Biotechnology
  • Bioengineering
  • Applied Microbiology and Biotechnology

これを引用

Dual synthetic pathway for 3-hydroxypropionic acid production in engineered Escherichia coli. / Honjo, Hiroshi; Tsuruno, Keigo; Tatsuke, Tsuneyuki; Sato, Masaki; Hanai, Taizo.

:: Journal of Bioscience and Bioengineering, 巻 120, 番号 2, 01.08.2015, p. 199-204.

研究成果: ジャーナルへの寄稿記事

Honjo, Hiroshi ; Tsuruno, Keigo ; Tatsuke, Tsuneyuki ; Sato, Masaki ; Hanai, Taizo. / Dual synthetic pathway for 3-hydroxypropionic acid production in engineered Escherichia coli. :: Journal of Bioscience and Bioengineering. 2015 ; 巻 120, 番号 2. pp. 199-204.
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