METHOD FOR ENHANCED SUSTAINABLE PRODUCTION OF ALGAL BIO-PRODUCTS, COMPRISING USE OF SYMBIOTIC DIAZOTROPH-ATTENUATED STRESS CO-CULTIVATION

Title:

METHOD FOR ENHANCED SUSTAINABLE PRODUCTION OF ALGAL BIO-PRODUCTS, COMPRISING USE OF SYMBIOTIC DIAZOTROPH-ATTENUATED STRESS CO-CULTIVATION

Document Type and Number:

WIPO Patent Application WO/2011/022229

Kind Code:

A2

Abstract:

Provided are compositions and methods for sustainable cultivation of algae for biomass, biofuel and bioproduct production, preferably with minimal addition of exogenous nutrients, comprising co-cultivating at least one algal species with at least one aerobic bacterial species and at least one diazotroph (or, in certain embodiments, cultivation of at least one algal species with at least one diazotroph) under continuous sustainable symbiotic conditions, wherein a significant proportion of the macronutrients derive from endogenous decomposed algal and bacterial cells. Certain aspects provide continuous symbiotic diazotroph-attenuated nitrogen stress co-cultivation, wherein a continuous, balanced attenuated nitrogen-stress response provides for adequate sustained algal growth, while yet preserving advantages of algal nitrogen stress responses for algal bioproduct production. Preferred aspects provide for enhanced algal production of at least one of: lipids; triacylglycerols (TAGs); percentage of lips as TAGs; and percentage of saturated and mono-saturated fatty acids relative to polyunsaturated fatty acids (PUFAs) in TAGs.

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Inventors:

DHAMWICHUKORN, Srisuda (P.O. Box 789, Edmonds, Washington, 98020, US)

Application Number:

US2010/044805

Publication Date:

February 24, 2011

Filing Date:

August 06, 2010

Export Citation:

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Assignee:

DHAMWICHUKORN, Srisuda (P.O. Box 789, Edmonds, Washington, 98020, US)

International Classes:

C12N1/12; C12M1/36; C12M3/02; C12P7/64

Attorney, Agent or Firm:

FLEMING, Kaye D. et al. (Davis Wright Tremaine LLP, 1201 Third Avennue Suite 220, Seattle Washington, 98101-3045, US)

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