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ZYMOMONAS WITH IMPROVED ETHANOL PRODUCTION IN MEDIUM CONTAINING CONCENTRATED SUGARS AND ACETATE

  • US 20090203099A1
  • Filed: 10/30/2008
  • Published: 08/13/2009
  • Est. Priority Date: 10/30/2007
  • Status: Active Grant
First Claim
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1. A process for producing ethanol from a mixed-sugars medium comprising xylose, comprising:

  • (a) providing a recombinant Zymomonas strain capable of utilizing xylose to produce ethanol, said strain comprising at least one genetic modification which reduces expression of integration host factor alpha subunit protein (HimA); and

    (b) culturing the strain of (a) in a medium comprising xylose, whereby xylose is used by said strain as a carbon source for producing ethanol.

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