Yeast expressing cellulases for simultaneous saccharification and fermentation using cellulose

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United States of America Patent

PATENT NO 9988652
APP PUB NO 20160010117A1
SERIAL NO

14788879

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Abstract

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The present invention is directed to cellulytic host cells. The host cells of the invention expressing heterologous cellulases and are able to produce ethanol from cellulose. According to the invention, host cells expressing a combination of heterologous cellulases can be used to produce ethanol from cellulose. In addition, multiple host cells expressing different heterologous cellulases can be co-cultured together and used to produce ethanol from cellulose. Furthermore, the invention demonstrates for the first time the ability of Kluveryomyces to produce ethanol from cellulose. The yeast strains and co-cultures of yeast strains of the invention can be used to produce ethanol on their own, or can also be used in combination with externally added cellulases to increase the efficiency of saccharification and fermentation processes.

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Patent Owner(s)

Patent OwnerAddress
DANSTAR FERMENT AGPOSTSTRASSE 30 ZUG CH-6300

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Bardsley, John Newport, US 8 135
Brevnova, Elena Lebanon, US 21 123
Deleault, Kristen Canaan, US 5 31
Den, Haan Riaan Durbanville, ZA 16 95
Froehlich, Allan Lebanon, US 12 30
Gilbert, Alan Cambridge, US 34 439
Ilmen, Marja Helsinki, FI 21 210
Koivula, Anu Helsinki, FI 7 30
McBride, John Lyme, US 33 323
Mellon, Mark Grantham, US 25 368
Penttila, Merja Helsinki, FI 53 494
Rajgarhia, Vineet Dublin, US 31 502
Siika-Aho, Matti Helsinki, FI 21 215
Stonehouse, Emily A Lebanon, US 4 19
Uusitalo, Jaana Espoo, FI 8 118
Voutilainen, Sanni Siuntio, FI 9 73
Willes, Deidre Lebanon, US 2 18
Xu, Haowen Lebanon, US 27 136

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