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Heterosigma akashiwo CCMP 452

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Principle Investigator(s) Rose Ann Cattolico
External sample IDCyst formation: vegetative phase hr 6 day 0
NCGR Sample IDMMETSP0894_2
Sample accession numberCAM_SMPL_002722
Assembly accession numberCAM_ASM_000540
Combined Assembly NameHeterosigma-akashiwo-CCMP452
GenusHeterosigma
Speciesakashiwo
StrainCCMP 452
ClonalNo
AxenicYes
Prelim. NCBI Taxon ID536046
18S rRNA
Importance of organism and transcriptomesThe Heterosigma akashiwo strain CCMP 452 was initially isolated in Conover Maine (1952). This ~10 um alga rapidly divides as a vegetative cell and can form overwintering cysts that initiate massive, destructive blooms that impact eco-cohort survival at every trophic level. H. akashiwo is found in temperate and sub-tropical waters world-wide and often serves as the primary producer in coastal ecosystems. Intense studies of H. akashiwo for at least 40 years have generated a huge literature concerning the physiology, biochemistry and molecular biology of this organism.
Additional citations and referencesDOI: 10.1021/bi00527a023, DOI: 10.1127/1438-9134/2010/0136-0261, PMID: PMC1185438, PMID: PMC2410131, DOI: 10.1046/j.1529-8817.2002.0187.x, PMID: PMC297543, PMID: PMC1074857, PMID: PMC386978, PMID: PMC1056607
Environmental Data
Primary citation for organism's characterization, if availablePMID: PMC542060
Latitude41
Longitude-73
Collection date01-JAN-52
Sample collection siteLong Island Sound
Sample material (e.g. "seawater," "sediment," etc.)Seawater
ENVO term for habitat - primary termAcquatic: marine
Habitatmarine habitat
CountryUNITED STATES
Experimental Data
Date of experiment31-MAY-11
Growth mediumO-3 Medium doi:10.1016/0003-2697(78)90546-8
Temperature (ºC)20
Salinty (psu)30
pH8.3
Light (µmol photons / m2 / sec)40
Day portion of day:night cycle in hours12
Night portion of day:night cycle in hours12
Nitrate (μmol/L)7520
Ammonium (μmol/L)179
Phosphate (μmol/L)365
Total Fe (nmol/L)7240000
Trace elements (total) (nmol/L)12800000
Investigation typeEukaryotes
Other experimental metadata available60 rpm agitation