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Inventor:
Hahn-Hagerdal; Barbel
Address:
Lund, SE
No. of patents:
7
Patents:












Patent Number Title Of Patent Date Issued
8129171 Arabinose- and xylose-fermenting Saccharomyces cerevisiae strains March 6, 2012
A S. cerevisiae strain expressing both arabinose and xylose utilization pathways, and in particular to a S. cerevisiae strain fermenting both arabinose and xylose to ethanol, and more particularly a S. cerevisiae strain with overexpression or upregulation of xylose- or aldose reductase
8110387 Polypeptide having NADH dependent HMF reductase activity February 7, 2012
The invention relates to an isolated polypeptide having NADH dependent HMF reductase activity, wherein said polypeptide shows 80% homology to the amino acid sequence shown in SEQ ID NO:2 and which differs from SEQ ID NO:2 in that at least S117L and Y295 or S110 is substituted, a nucl
7531348 Recombinant yeast for lignocellulose raw materials May 12, 2009
The present invention relates to a method for obtaining a recombinant yeast of Saccharomyces cerevisiae, which ferments lignocellulose raw materials to ethanol, including introducing DNA into a yeast so as to cause the yeast to have introduced genes encoding xylose reductase, xylitol
6582944 Production of ethanol from xylose June 24, 2003
This invention relates to recombinant-DNA-technology. Specifically this invention relates to new recombinant yeast strains transformed with xylose reductase and/or xylitol dehydrogenase enzyme genes. A yeast strain transformed with the xylose reductase gene is capable of reducing xylose
6475768 Xylose isomerase with improved properties November 5, 2002
The present invention relates to novel nucleic acid sequences which, upon expression in a procaryotic or eucaryotic cell, code for a polypeptide having an elevated specific xylose isomerase activity compared to the wildtype Thermus thermophilus xylose isomerase. They are selected from a)
6130075 Polymer conjugates of polyethylene glycols or oxides with polyethyleneimine or polypropylenimine October 10, 2000
The invention provides novel polymer conjugates that are especially useful in the separation of carboxylic acids from complex fermentation compositions. The polymer conjugates comprise polyethylene glycols or oxides and polyethyleneimine or polypropyleneimine in various ratios. The n
5866382 Xylose utilization by recombinant yeasts February 2, 1999
This invention relates to recombinant-DNA-technology. Specifically, this invention relates to new recombinant yeast strains transformed with xylose reductase and/or xylitol dehydrogenase enzyme genes. A yeast strain transformed with the xylose reductase gene is capable of reducing xylose










 
 
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