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Fragilariopsis kerguelensis L2-C3

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Principle Investigator(s) Thomas Mock
External sample IDFkerg_iron_limitation
NCGR Sample IDMMETSP0908
Sample accession numberCAM_SMPL_002742
Assembly accession numberCAM_ASM_000560
Combined Assembly NameFragilariopsis-kerguelensis-L2_C3
GenusFragilariopsis
Specieskerguelensis
StrainL2-C3
ClonalYes
AxenicYes
Prelim. NCBI Taxon ID186038
18S rRNA
Importance of organism and transcriptomesF. kerguelensis is a key phytoplankton species in open waters of the Southern Ocean. It blooms in iron fertilization experiments and significantly contributes to the silicon and carbon cycle of the Southern Ocean because it has heavily silicified cell walls. It furthermore is a model species for silicon bionanotechnology.
Additional citations and references
Environmental Data
Primary citation for organism's characterization, if availableAssmy, P., Henjes, J., Smetacek, V. and Montresor, M. (2006), AUXOSPORE FORMATION BY THE SILICA-SINKING, OCEANIC DIATOM FRAGILARIOPSIS KERGUELENSIS (BACILLARIOPHYCEAE). Journal of Phycology, 42: 1002?1006. doi: 10.1111/j.1529-8817.2006.00260.x
Latitude-48.1
Longitude-24.25
Depth (m)20
Salinity (psu)33.8
Temperature (ºC)8.05
Collection date24-JAN-09
Sample collection siteSouthern_Ocean
Other collection site infoPolarstern cruise ANT-XXV/3
Sample material (e.g. "seawater," "sediment," etc.)Seawater
Filter fraction minimum (μm)20
Volume filtered (L)2000
ENVO term for habitat - primary termAcquatic: marine
ENVO term for habitat - secondary termNot Applicable
Habitat descriptionAtlantic sector of the Southern Ocean
Other environmental metadata availablelate austral summer to early austral fall
Other environmental metadata availablelate austral summer to early austral fall
Habitatmarine habitat
CountryANTARCTICA
Experimental Data
Date of experiment30-JUN-11
Growth mediumSouthern Ocean seawater
Temperature (ºC)4
Salinty (psu)35
pH8.2
Light (µmol photons / m2 / sec)80
Day portion of day:night cycle in hours16
Night portion of day:night cycle in hours8
Nitrate (μmol/L)23.9
Ammonium (μmol/L).55
Phosphate (μmol/L)1.7
Silicate (μmol/L)22.6
Total Fe (nmol/L).5
Investigation typeEukaryotes