Kluyveromyces strains metabolizing cellulosic and hemicellulosic materials
First Claim
1. A biologically pure culture of Kluyveromyces marxianus strain SSSJ-0 having ATCC Accession No. PTA-3567 deposited on Jul. 26, 2001, wherein the culture is capable of proliferation in an aqueous medium comprising a pentose as the sole carbon source.
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Abstract
This invention relates to the use of microorganisms for the generation of ethanol from lignocellulosic waste materials. Yeast strains of the genus Kluyveromyces which have the capability to ferment cellulose, hexose sugars to ethanol are provided. Also provided are methods for converting cellulose, hexoses, or mixed hydrolysates of hexoses to ethanol by fermentation with Kluyveromyces strains. The invention also provides methods to isolate yeast strains which metabolize cellulose, pentoses, or hemicelluloses from waste materials.
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Citations
10 Claims
- 1. A biologically pure culture of Kluyveromyces marxianus strain SSSJ-0 having ATCC Accession No. PTA-3567 deposited on Jul. 26, 2001, wherein the culture is capable of proliferation in an aqueous medium comprising a pentose as the sole carbon source.
- 3. A biologically pure culture of Kluyveromyces marxianus strain SSSJ-0 having ATCC Accession No. PTA-3567 deposited on Jul. 26, 2001, wherein the culture is capable of growth in an aqueous medium, wherein the sole carbon source is selected from the group consisting of cellulose, carboxymethylcellulose derivative, recycled paper sludge, brewer'"'"'s spent grain, corn stover hydrolysate, sugared lignin hydrolysate, and combinations thereof.
Specification