Processes for the bioconversion of a fermentable carbon source to 1,3-propanediol by a single microorganism
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United States of America Patent
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Nov 14, 2006
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app pub date -
May 22, 2000
filing date -
May 12, 1995
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Abstract
A process is provided for the bioconversion of a carbon substrate to 1,3-propanediol by a single organism utilizing microorganisms, such as, Citrobacter, Enterobacter, Clostridium, Klebsiella, Aerobacter, Lactobacillus, Aspergillus, Saccharomyces, Zygosaccharomyces, Pichia, Kluyveromyces, Candida, Hansenula, Debaryomyces, Mucor, Torulopsis, Methylobacter, Escherichia, Salmonella, Bacillus, Streptomyces and Pseudomonas, containing the genes encoding for an active glycerol or diol dehydratase enzyme by contacting these organisms with a carbon substrate under the appropriate fermentation conditions. Specifically, Citrobacter and, Klebsiella provide the source of exogenous genes for such active dehydratase enzyme.
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