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Buoyant triacylglycerol-filled green algae and methods therefor

Patent ·
OSTI ID:1178007

Cultures of Chlamydomonas are disclosed comprising greater than 340 mg/l triacylglycerols (TAG). The cultures can include buoyant Chlamydomonas. Methods of forming the cultures are also disclosed. In some embodiments, these methods comprise providing Chlamydomonas growing in log phase in a first culture medium comprising a nitrogen source and acetate, replacing the first culture medium with a second medium comprising acetate but no nitrogen source, and subsequently supplementing the second medium with additional acetate. In some embodiments, a culture can comprise at least 1,300 mg/l triacyglycerols. In some embodiments, cultures can be used to produce a biofuel such as biodiesel.

Research Organization:
Washington University, Saint Louis, MO (United States)
Sponsoring Organization:
USDOE
Assignee:
Washington University (Saint Louis, MO)
Patent Number(s):
9,005,955
Application Number:
13/662,549
OSTI ID:
1178007
Country of Publication:
United States
Language:
English

References (19)

Evolution of acidocalcisomes and their role in polyphosphate storage and osmoregulation in eukaryotic microbes journal March 2010
Prospects for molecular farming in the green alga Chlamydomonas reinhardtii journal April 2004
Inhibition of starch synthesis results in overproduction of lipids in Chlamydomonas reinhardtii journal May 2010
The Polyphosphate Bodies of Chlamydomonas reinhardtii Possess a Proton-pumping Pyrophosphatase and Are Similar to Acidocalcisomes journal September 2001
A chloroplast pathway for the de novo biosynthesis of triacylglycerol in Chlamydomonas reinhardtii journal May 2011
Changes in Transcript Abundance in Chlamydomonas reinhardtii following Nitrogen Deprivation Predict Diversion of Metabolism journal October 2010
Chlamydomonas starchless mutant defective in ADP-glucose pyrophosphorylase hyper-accumulates triacylglycerol journal July 2010
Entophlyctis apiculata, a chytrid parasite of Chlamydomonas sp. (Chlorophyceae) journal January 2001
Cytochrome f and plastocyanin: their sequence in the photosynthetic electron transport chain of Chlamydomonas reinhardi. journal December 1965
Increased Lipid Accumulation in the Chlamydomonas reinhardtii sta7-10 Starchless Isoamylase Mutant and Increased Carbohydrate Synthesis in Complemented Strains journal June 2010
Oil accumulation in the model green alga Chlamydomonas reinhardtii: characterization, variability between common laboratory strains and relationship with starch reserves journal January 2011
Growth and reproduction of Daphnia galeata in response to changes in fatty acids, phosphorus, and nitrogen in Chlamydomonas reinhardtii journal November 1997
Oil extraction from microalgae for biodiesel production journal January 2011
Starchless Mutants of Chlamydomonas reinhardtii Lack the Small Subunit of a Heterotetrameric ADP-Glucose Pyrophosphorylase journal February 2001
RNA Interference Silencing of a Major Lipid Droplet Protein Affects Lipid Droplet Size in Chlamydomonas reinhardtii journal November 2009
Gametic differentiation in Chlamydomonas reinhardtii. I. Production of gametes and their fine structure journal November 1975
Algal Lipid Bodies: Stress Induction, Purification, and Biochemical Characterization in Wild-Type and Starchless Chlamydomonas reinhardtii journal October 2009
A revised mineral nutrient supplement increases biomass and growth rate in Chlamydomonas reinhardtii: A revised mineral nutrient supplement for Chlamydomonas journal March 2011
Suppression of Soybean Oleosin Produces Micro-Oil Bodies that Aggregate into Oil Body/ER Complexes journal November 2008