Construction of protrophic/celluloytic yeast strains expressing tethered and secreted cellulases
US9994835B2 · kind B2 · utility
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42Claims
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Key dates
| Filing date | May 11, 2009 |
| Grant date | Jun 12, 2018 |
| Priority date | — |
| Expiry date | Apr 3, 2031 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02E50/10
- WIPO fieldBiotechnology
- WIPO sectorChemistry
Abstract
The present invention is directed to the construction of prototrophic, cellulo lytic strains of Saccharomyces cerevisiae with tethered and secreted cellulases and selection-based improvement of growth on cellulose by these strains. In some embodiments, host cells of the invention are able to produce ethanol using crystalline cellulose as a sole carbon source.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.