Schizochytrium sp. (ATCC® 20888)

Strain Designations: S31  /  Product Format: frozen

Permits and Restrictions

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Classification KINGDOM: Chromista
Strain Designations S31
Produces omega-3 fatty acids
Biofuel production
Biosafety Level 1

Biosafety classification is based on U.S. Public Health Service Guidelines, it is the responsibility of the customer to ensure that their facilities comply with biosafety regulations for their own country.

Product Format frozen
Storage Conditions Frozen: -80°C or colder
Freeze-Dried: 2°C to 8°C
Live Culture: See Propagation Section
Type Strain no
Preceptrol® no
Medium ATCC® Medium 790: By+ medium
ATCC® Medium 534: Seawater with serum
ATCC® Medium 662: Seawater medium
Growth Conditions
Temperature: 20°C
Atmosphere: Typical aerobic
Sequenced Data
18S ribosomal RNA, partial sequence:


Name of Depositor OmegaTech, Inc.
U.S. Patent Number
Disclosure This material is cited in a US or other Patent and may not be used to infringe the claims. Depending on the wishes of the Depositor, ATCC may be required to inform the Patent Depositor of the party to which the material was furnished.
Estuarine water, California

Barclay WR. Process for the heterotrophic production of microbial products with high concentrations of omega-3 highly unsaturated fatty acids. US Patent 5,130,242 dated Jul 14 1992

Tsui CKM, et al. Labyrinthulomycetes phylogeny and its implications for the evolutionary loss of chloroplasts and gain of ectoplasmic gliding. Mol. Phylogenet. Evol. 50: 129-140, 2009. PubMed: 18977305

Byreddy AR, Barrow CJ, Puri M. Bead milling for lipid recovery from thraustochytrid cells and selective hydrolysis of Schizochytrium DT3 oil using lipase. Bioresour Technol 200: 464-469, 2016. PubMed: 26519698

Byreddy AR, et al. Comparison of cell disruption methods for improving lipid extraction from Thraustochytrid strains. Mar Drugs 13: 5111-5127, 2015. PubMed: 26270668

Chang G, et al. The relationship of oxygen uptake rate and k(L)a with rheological properties in high cell density cultivation of docosahexaenoic acid by Schizochytrium sp. S31. Bioresour Technol 152: 234-240, 2014. PubMed: 24292203

Chang G, et al. Improvement of docosahexaenoic acid production on glycerol by Schizochytrium sp. S31 with constantly high oxygen transfer coefficient. Bioresour Technol 142: 400-406, 2013. PubMed: 23747449

Chang G, et al. Fatty acid shifts and metabolic activity changes of Schizochytrium sp. S31 cultured on glycerol. Bioresour Technol 142: 255-260, 2013. PubMed: 23743430

Notice: Necessary PermitsPermits

These permits may be required for shipping this product:

  • Customers located in the state of Hawaii will need to contact the Hawaii Department of Agriculture to determine if an Import Permit is required. A copy of the permit or documentation that a permit is not required must be sent to ATCC in advance of shipment.
Basic Documentation