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Acanthoeca-like sp. 10tr

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Principle Investigator(s) Brian Palenik
External sample IDAcanthoecalikeWITHSYN
NCGR Sample IDMMETSP0106_2
Sample accession numberCAM_SMPL_002388
Assembly accession numberCAM_ASM_000206
Combined Assembly NameAcanthoeca_like-sp-10tr
GenusAcanthoeca-like
Speciessp.
Strain10tr
ClonalYes
AxenicNo
Prelim. NCBI Taxon ID81532
18S rRNA
Importance of organism and transcriptomesHeterotrophic nanoflagellates consume bacteria including cyanobacteria as prey, and thus are involved in recycling of nutrients through the microbial loop. This isolate resembles Acanthoeca spectabilis Ellis 1930, but its 18S rRNA sequence is only 94% identical and it is closest to uncultured environmental clones from a Norwegian fjord. Speciation of these organisms in the marine environment is clearly poorly understood. the culture was obtained from the SIO pier (UCSD, La jolla, CA), has been in culture for more than a year and grows on a single Synechococcus strain and contaminating bacteria as food. It also grows on the small alga Ostreococcus choanoflagellates are poorly studied in marine environments, but a genome of a choanoflagellate Monosiga brevicollis has been determined which provides a rich resource for compairsions to this isolate. we would hope to compare the Acanthoeca-like transcriptome during growth with and without synechococcus and to other nanoflagellates growing with and without Synechococcus.
Additional citations and referencesBehnke,A., Barger,K.J., Bunge,J. and Stoeck,T. (2010) Spatio-temporal variations in protistan communities along an O/HS gradient in the anoxic Framvaren Fjord (Norway) FEMS Microbiol. Ecol. 72 (1), 89-102.
Environmental Data
Primary citation for organism's characterization, if availableCarr,M., Leadbeater,B.S., Hassan,R., Nelson,M. and Baldauf,S.L. (2008) Molecular phylogeny of choanoflagellates, the sister group to Metazoa Proc. Natl. Acad. Sci. U.S.A. 105 (43), 16641-16646
Experimental Data
Date of experiment15-MAR-11
Growth mediumf/4 amended seawater
Temperature (ºC)20
Salinty (psu)34
pH8
Light (µmol photons / m2 / sec)20
Day portion of day:night cycle in hours24
Nitrate (μmol/L)441.23
Phosphate (μmol/L)18.15
Trace elements (total) (nmol/L)12.25
Prey organism, if applicable (genus and species)Synechococcus CC9311