Journal
ORGANIC PROCESS RESEARCH & DEVELOPMENT
Volume 15, Issue 1, Pages 189-202Publisher
AMER CHEMICAL SOC
DOI: 10.1021/op1001929
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- Institute for the Promotion of Innovation through Science and Technology in Flanders (IWT-Vlaanderen) [B/14045/07]
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1,3-Propanediol (PDO) is the starting point of a new-generation polymer with superior properties which is used in the textile and carpet industry. This product is mainly produced chemically, but high pressure, high temperature and expensive catalysts are required and toxic intermediates are released. Therefore, the biological production route has been studied intensively. DuPont and Genencor International, Inc. have modified Escherichia coli genetically so that this organism could produce PDO from glucose. However, due to the tremendous growth of the biofuel industry, a glycerol surplus has been created, so more and more researchers started to investigate the natural producing strains for the production of PDO from glycerol. Several metabolic engineering techniques have been used to enhance the production of PDO. This contribution gives an overview of the different strategies to increase the final titer, yield, and productivity of 1,3-propanediol in non-natural and natural producing strains.
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