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Eighteen new oleaginous yeast species

Journal Article · · Journal of Industrial Microbiology and Biotechnology
 [1];  [2];  [3];  [1];  [1];  [1];  [4];  [5];  [1]
  1. grid.27860.3b 0000000419369684 Phaff Yeast Culture Collection, Department of Food Science and Technology University of California One Shields Ave 95616-8598 Davis CA USA
  2. grid.27860.3b 0000000419369684 Phaff Yeast Culture Collection, Department of Food Science and Technology University of California One Shields Ave 95616-8598 Davis CA USA, grid.504251.7 Bioentrepreneurship Department Indonesia International Institute for Life Sciences Jalan Pulo Mas Barat Kav. 88 13210 East Jakarta DKI Jakarta Indonesia
  3. grid.27860.3b 0000000419369684 Metabolomics, UC Davis Genome Center University of California Davis 451 Health Sciences Drive 95616 Davis CA USA
  4. grid.27860.3b 0000000419369684 Department of Food Science and Technology University of California One Shields Ave 95616 Davis CA USA
  5. grid.27860.3b 0000000419369684 Metabolomics, UC Davis Genome Center University of California Davis 451 Health Sciences Drive 95616 Davis CA USA, grid.412125.1 0000000106191117 Biochemistry Department, Faculty of Science King Abdulaziz University PO Box 80203 21589 Jeddah Saudi Arabia
Abstract

Of 1600 known species of yeasts, about 70 are known to be oleaginous, defined as being able to accumulate over 20 % intracellular lipids. These yeasts have value for fundamental and applied research. A survey of yeasts from the Phaff Yeast Culture Collection, University of California Davis was performed to identify additional oleaginous species within the Basidiomycota phylum. Fifty-nine strains belonging to 34 species were grown in lipid inducing media, and total cell mass, lipid yield and triacylglycerol profiles were determined. Thirty-two species accumulated at least 20 % lipid and 25 species accumulated over 40 % lipid by dry weight. Eighteen of these species were not previously reported to be oleaginous. Triacylglycerol profiles were suitable for biodiesel production. These results greatly expand the number of known oleaginous yeast species, and reveal the wealth of natural diversity of triacylglycerol profiles within wild-type oleaginous Basidiomycetes.

Sponsoring Organization:
USDOE
OSTI ID:
1773528
Journal Information:
Journal of Industrial Microbiology and Biotechnology, Journal Name: Journal of Industrial Microbiology and Biotechnology Journal Issue: 7 Vol. 43; ISSN 1367-5435
Publisher:
Oxford University PressCopyright Statement
Country of Publication:
Germany
Language:
English

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