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Schizochytrium aggregatum ATCC28209


Principle Investigator(s) Jackie Collier
External sample IDSchiz. aggregatum ATCC28209 790By+
Sample accession numberCAM_SMPL_002670
Assembly accession numberCAM_ASM_000488
Combined Assembly NameSchizochytrium-aggregatum-ATCC28209
Prelim. NCBI Taxon ID4773
18S rRNA
Importance of organism and transcriptomesThe labyrinthulomycetes (including labyrinthulids, oblongichytrids, thraustochytrids, and aplanochytrids) are ubiquitous, diverse, and abundant marine protists (e.g. Collado Mercado et al. 2010 and references therein). They are thought to live mainly as saprobes, obtaining their nutrition from non-living particulate organic matter (POM) of algal, higher plant, or animal origin. Thus, while labyrinthulomycetes are not fungi in a taxonomic sense, they function as fungi in an ecological sense, likely playing important roles in the decomposition of marine POM. Among the labyrinthulomycetes, Schizochytrium aggregatum ATCC28209 was among the first described in detail, is thought to be cosmopolitan, and is probably the best studied. Schizochytrium aggregatum has specifically been shown to degrade cellulose (Bremer and Talbot 1995) and so may be particularly well-suited to growth on refractory material of terrestrial origin, and provide a conduit for this material into marine food webs.
Additional citations and referencesCollado Mercado, E., Radway, J. C. & Collier, J. L. 2010. Novel uncultivated labyrinthulomycetes revealed by 18S rDNA sequences from seawater and sediment samples. Aquatic Microbial Ecology 58:215-28. Bremer, G. B. & Talbot, G. 1995. Cellulolytic enzyme activity in the marine protist Schizochytrium aggregatum. Botanica Marina 38:37-41.
Environmental Data
Primary citation for organism's characterization, if availableGoldstein, S. & Belsky, M. 1964. Axenic culture studies of a new marine phycomycete possessing an unusual type of asexual reproduction. American Journal of Botany 51:72-78
Collection date15-JUL-63
Sample collection siteNorth Sea
Sample material (e.g. "seawater," "sediment," etc.)Seawater
ENVO term for habitat - primary termAcquatic: marine
ENVO term for habitat - secondary termOther
Habitat descriptionSeawater off West Germany
Other environmental metadata availablenone available
Other environmental metadata availablenone available
Habitatmarine habitat
Experimental Data
Date of experiment06-JUN-12
Growth mediumATCC medium 790BY+ (0.8% agar plates)
Modifications to growth mediumglucose, peptone, yeast extract at half concentration; 25g Instant Ocean per liter instead of filtered seawater; solidified with 0.8% agar
Temperature (ÂșC)23
Salinty (psu)25
Pressure (atm)1
Investigation typeEukaryotes
Other experimental metadata availableHarvested 575 mg (wet weight) biomass from 10 plates after 5 days of growth