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Journal ArticleDOI

Escherichia coli is engineered to grow on CO2 and formic acid

Junho Bang, +4 more
- 28 Sep 2020 - 
- Vol. 5, Iss: 12, pp 1459-1463
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TLDR
The engineered Escherichia coli strain can grow to an optical density at 600 nm of 7.38 in 450 h, and shows promise as a platform strain growing on CO2 and formic acid alone.
Abstract
We engineered Escherichia coli to grow on CO2 and formic acid alone by introducing the synthetic CO2 and formic acid assimilation pathway, expressing two formate dehydrogenase genes, fine-tuning metabolic fluxes and optimizing the levels of cytochrome bo3 and bd-I ubiquinol oxidase. Our engineered strain can grow to an optical density at 600 nm of 7.38 in 450 h, and shows promise as a platform strain growing on CO2 and formic acid alone. Growth of Escherichia coli on carbon dioxide and formate is achieved by rational metabolic engineering alone.

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Rescuing yeast from cell death enables overproduction of fatty acids from sole methanol

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References
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The Electrochemical Reduction of Carbon Dioxide to Formate/Formic Acid: Engineering and Economic Feasibility

TL;DR: This study investigated the long-term performance of tin and other proprietary catalysts in the reduction of carbon dioxide to formate/formic acid at a gas/solid/liquid interface, using a flow-through reactor.
Journal ArticleDOI

Conversion of Escherichia coli to Generate All Biomass Carbon from CO2.

TL;DR: This work constructed and evolved Escherichia coli to produce all its biomass carbon from CO2 and achieved autotrophic growth following several months of continuous laboratory evolution in a chemostat under intensifying organic carbon limitation.
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