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Engineering the biological conversion of methanol to specialty chemicals in Escherichia coli

Journal Article · · Metabolic Engineering
 [1];  [2];  [3];  [4];  [5];  [5];  [4];  [4];  [4];  [6];  [3]
  1. Univ. of Delaware, Newark, DE (United States). Dept. of Chemical and Biomolecular Engineering; Univ. of Delaware, Newark, DE (United States). Delaware Biotechnology Inst.; University of Delaware
  2. Rensselaer Polytechnic Inst., Troy, NY (United States). Dept. of Chemical and Biological Engineering, Center for Biotechnology and Interdisciplinary Studies; Hamilton College, Clinton, NY (United States)
  3. Univ. of Delaware, Newark, DE (United States). Dept. of Chemical and Biomolecular Engineering; Univ. of Delaware, Newark, DE (United States). Delaware Biotechnology Inst.
  4. Univ. of Delaware, Newark, DE (United States). Dept. of Chemical and Biomolecular Engineering
  5. Rensselaer Polytechnic Inst., Troy, NY (United States). Dept. of Chemical and Biological Engineering, Center for Biotechnology and Interdisciplinary Studies
  6. Rensselaer Polytechnic Inst., Troy, NY (United States). Dept. of Chemical and Biological Engineering, Center for Biotechnology and Interdisciplinary Studies; Rensselaer Polytechnic Inst., Troy, NY (United States). Dept. of Biological Sciences, Center for Biotechnology and Interdisciplinary Studies

Methanol is an attractive substrate for biological production of chemicals and fuels. Engineering methylotrophic Escherichia coli as a platform organism for converting methanol to metabolites is desirable. Prior efforts to engineer methylotrophic E. coli were limited by methanol dehydrogenases (Mdhs) with unfavorable enzyme kinetics. We engineered E. coli to utilize methanol using a superior NAD-dependent Mdh from Bacillus stearothermophilus and ribulose monophosphate (RuMP) pathway enzymes from B. methanolicus. Using 13C-labeling, we demonstrate this E. coli strain converts methanol into biomass components. For example, the key TCA cycle intermediates, succinate and malate, exhibit labeling up to 39%, while the lower glycolytic intermediate, 3-phosphoglycerate, up to 53%. Multiple carbons are labeled for each compound, demonstrating a cycling RuMP pathway for methanol assimilation to support growth. In conclusion, by incorporating the pathway to synthesize the flavanone naringenin, we demonstrate the first example of in vivo conversion of methanol into a specialty chemical in E. coli.

Research Organization:
Univ. of Delaware, Newark, DE (United States)
Sponsoring Organization:
USDOE Advanced Research Projects Agency - Energy (ARPA-E)
Grant/Contract Number:
AR0000432
OSTI ID:
1410784
Journal Information:
Metabolic Engineering, Journal Name: Metabolic Engineering Journal Issue: C Vol. 39; ISSN 1096-7176
Publisher:
ElsevierCopyright Statement
Country of Publication:
United States
Language:
English

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Cited By (20)

Phage-Assisted Evolution of Bacillus methanolicus Methanol Dehydrogenase 2 journal March 2019
Synthetic biology strategies for microbial biosynthesis of plant natural products journal May 2019
Exploring eukaryotic formate metabolisms to enhance microbial growth and lipid accumulation journal January 2017
Methanol fermentation increases the production of NAD(P)H-dependent chemicals in synthetic methylotrophic Escherichia coli journal January 2019
Discovery and Biochemical Characterization of a Methanol Dehydrogenase From Lysinibacillus xylanilyticus journal February 2020
Development of a formaldehyde biosensor with application to synthetic methylotrophy journal November 2017
Fine‐tuning the (2 S )‐naringenin synthetic pathway using an iterative high‐throughput balancing strategy journal February 2019
Engineering Artificial Fusion Proteins for Enhanced Methanol Bioconversion journal October 2018
Synthetic Methylotrophy: Past, Present, and Future book January 2018
Biological conversion of methane to chemicals and fuels: technical challenges and issues journal February 2018
Exploration of the Tolerance Ability of a Cell-Free Biosynthesis System to Toxic Substances journal June 2019
Methanol-essential growth of Escherichia coli journal April 2018
Improving formaldehyde consumption drives methanol assimilation in engineered E. coli journal June 2018
A modified serine cycle in Escherichia coli coverts methanol and CO2 to two-carbon compounds journal September 2018
Barriers and opportunities in bio-based production of hydrocarbons journal July 2018
Growth of E. coli on formate and methanol via the reductive glycine pathway journal February 2020
Guidance for engineering of synthetic methylotrophy based on methanol metabolism in methylotrophy journal January 2017
Biological conversion of methanol by evolved Escherichia coli carrying a linear methanol assimilation pathway journal September 2017
C1 Compound Biosensors: Design, Functional Study, and Applications journal May 2019
Methanol-essential growth of Escherichia coli text January 2018

Figures / Tables (7)


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