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Noctiluca scintillans Unknown


Principle Investigator(s) Juan Saldarriaga
External sample IDNoctscin
Sample accession numberCAM_SMPL_002497
Assembly accession numberCAM_ASM_000315
Combined Assembly NameN/A
Prelim. NCBI Taxon ID2966
18S rRNA
Importance of organism and transcriptomesNoctiluca scintillans is a common, bloom-forming voracious predator in the plankton of all oceans. It is a very atypical dinoflagellate, and much of its biology, especially in regards to the organization of its nucleus is not understood. Its vegetative life stage is up to 2 mm in diameter, and much of its volume is a vacuolar space. Whether or not its exceedingly large nucleus is dinokaryotic in this stage has not been determined, but it is capable of making flagellated stages, probably gametes, that do have the typical dinoflagellate morphology and a typical dinoflagellate nucleus. Noctiluca is otherwise interesting for several reasons. First, it is capable of producing spectacular orange blooms that, although not toxic in themselves, have caused problems by producing large quantities of ammonia, blocking sunlight and depleting oxygen. Second, it is one of the most bioluminescent of dinoflagellates. Third, some strains are capable of harbouring green prasinophytes within their vacuolar system and become practically autotrophic; very little is known about how this endosymbiosis works. And fourth, the phylogenetic position of the whole order is contested but may be pivotal to understanding the evolution of many strange dinoflagellate characters because it may be an early-branch.
Additional citations and referencesGomez, F., Moreira, D. and Lopez-Garcia, P. 2010: Molecular phylogeny of noctilucoid dinoflagellates. Protist 161: 466-478
Environmental Data
Primary citation for organism's characterization, if availableHoppenrath, M. and Leander, B. 2010: Dinoflagellate phylogeny as inferred from heat shock protein 90 and ribosomal gene sequences. PLoS One 5: e13220
Collection date12-APR-94
Sample collection sitePuget Sound, WA
Sample material (e.g. "seawater," "sediment," etc.)seawater
Habitatmarine habitat
Experimental Data
Date of experiment18-JUL-11
Growth mediumHESNW
Modifications to growth mediumno silica
Temperature (ºC)16
Salinty (psu)30
Light (µmol photons / m2 / sec)3800
Day portion of day:night cycle in hours14
Night portion of day:night cycle in hours10
Nitrate (μmol/L)3
Ammonium (μmol/L).11
Phosphate (μmol/L).3
Investigation typeEukaryotes