Division/Phylum: Heterokontophyta/Ochrophyta Class: Coscinodiscophyceae Order: Chaetocerotales

Note: for strains where we have DNA barcodes we can be reasonably confident of identity, however for those not yet sequenced we rely on morphology and the original identification, usually made by the depositor. Although CCAP makes every effort to ensure the correct taxonomic identity of strains, we cannot guarantee that a strain is correctly identified at the species, genus or class levels. On this basis users are responsible for confirming the identity of the strain(s) they receive from us on arrival before starting experiments.
For strain taxonomy we generally use AlgaeBase for algae and Adl et al. (2019) for protists.

Culture media, purity and growth conditions:
Medium: f/2 + Si; Bacteria present; maintained by serial subculture; 12-17 deg C
Attributes
AuthorityOstenfeld 1910
Isolatorunknown (pre 1991)
Collection Siteunknown Possibly Japan
Notes From original accession form: Presented to CEFAS from Seasalter Hatchery in Kent in early 1991, they obtained from South Palawan in the Philippines, but thought to originate shortly before that from Japan, possibly Japan Marine Science and Technology Centre. Could be the Chaetoceros ceratosporus isolated from Sagami Bay (Tanaka 1982)
Axenicity Status Bacteria present
Environment Marine
GMO No
Group Diatom
In Scope of Nagoya Protocol No
ABS Note Collected pre Nagoya Protocol. No known Nagoya Protocol restrictions for this strain.
Collection Date pre 1991
Pathogen Not pathogenic: Hazard Class 1
Strain Maintenance Sheet SM_MarineDiatoms15_20.pdf
Toxin Producer Not Toxic / No Data
Type Culture No
Taxonomy WoRMS ID 149297
Synonyms Chaetoceros gracile Apstein
Formerly Listed in CCAP asChaetoceros ceratosporum

CCAP 1010/17

Chaetoceros ceratosporus


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