Production of Oil in Microorganisms
First Claim
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1. A fungus containing an exogenous gene encoding a polysaccharide degradation enzyme.
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Abstract
The invention provides methods of producing lipids by oleaginous microorganisms. The invention also provides genetically engineered oleaginous microorganisms and methods of cultivation for lipid production. Also provided are oils, fuels, oleochemicals, chemical precursors, and other compounds manufactured such microorganisms. Exemplary oleaginous microorganisms include oleaginous fungi and such oleaginous fungi that have been genetically modified.
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Citations
40 Claims
- 1. A fungus containing an exogenous gene encoding a polysaccharide degradation enzyme.
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7. A fungi culture containing:
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(a) a population of oleaginous fungi; and (b) a culture medium comprising a carbon source selected from depolymerized cellulosic material, sorghum, sugar cane juice, sugar beet or molasses. - View Dependent Claims (8, 9, 10, 11, 12, 13, 14)
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15. A method of cultivating fungi, comprising:
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(a) providing a fungus; (b) placing the fungus in culture medium comprising sucrose as a carbon source; and (c) culturing the fungus under growth conditions in the presence of a sucrose invertase enzyme until the fungus accumulates at least 10% of its dry cell weight as lipid. - View Dependent Claims (16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34)
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- 35. A method of cultivating fungi, comprising culturing a fungus (a) in a culture medium containing sucrose as a primary carbon source, (b) under heterotrophic growth and limited nitrogen conditions, and (c) until the fungus accumulates at least 10% of its dry cell weight as lipid, wherein the sucrose is provided to the culture medium in a feedstock selected from the group consisting of sorghum, sugar beets, molasses or sugar cane juice.
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