Organic compounds -- part of the class 532-570 series – Organic compounds – Carbohydrates or derivatives
Reexamination Certificate
2007-12-07
2011-11-22
Graser, Jennifer (Department: 1645)
Organic compounds -- part of the class 532-570 series
Organic compounds
Carbohydrates or derivatives
C536S023100, C435S069100, C435S069900, C435S069200, C435S254200, C435S254210
Reexamination Certificate
active
08063194
ABSTRACT:
The present invention relates to a polypeptide which has a novel specific arabinose transporter function as well as to nucleic acids coding therefore. The invention further relates to host cells, in particular modified yeast strains which contain the coding nucleic acids and express the polypeptide and functionally integrate it into the plasma membrane and are thus able to absorb L-arabinose. When using modified host cells which express additional proteins of the arabinose metabolic pathway, arabinose can be fermented by these cells, in particular into ethanol. The present invention is therefore relevant, inter alia, in connection with the production of biochemicals from biomass, such as bioethanol for example.
REFERENCES:
patent: WO 2007/143245 (2007-12-01), None
patent: WO 2007/143247 (2007-12-01), None
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Richard et al., “Production of ethanol from L-arabinose bySaccharomyces cerevisiaecontaining a fungal L-arabinose pathway”,FEMS Yeast Reasearch, 2003, vol. 3, pp. 185-189.
Boles Eckhard
Keller Marco
Graser Jennifer
Johann Wolfgang Goethe-Universität Frankfurt Am Main
Saliwanchik Lloyd & Eisenschenk
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