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SAG 63.90 Desmococcus antarctica

SAG Strain Number:63.90
TAXONOMY
Genus:Desmococcus
Species:antarctica
Taxonomic position:Chlorophyta - Trebouxiophyceae
Authority:(Darling et Friedmann) Rybalka, Wolf, Andersen et Friedl
Variety:
Formerly called:authentic strain of Heterococcus endolithicus Darling et Friedmann (Stramenopiles - Xanthophyceae)
Authentic:yes
Division:Chlorophyta
Class:Trebouxiophyceae
ORIGIN
General habitat:cryptoendolithic
Climatic zone:polar
Continent:Antarctica
Country:Antarctica
Locality:Southern Victoria Land, University Valley, Quartermain Range, elevation 1200m, cryptoendolithic in green zone of Beacon sandstone together with Hemichloris antarctica
Lat. / Long.  (Precision):-77.86657 / 160.666623  (400m)   View on Google Maps
Year:between 1979 and 1980
Isolated by:R. Ocampo-Friedmann (coll. E.I. Friedmann)
Strain number by isolator:195/A790-35 as Heterococcus endolithicus
Deposition by:E. I. Friedmann
Deposition date:11.1987
CULTURE INFORMATION
Culture medium:ES Ag
Axenic:bacterial and fungal contaminations
Strain relatives:
Agitation resistance:yes
Special properties:psychrophilic (-4 to 22°C); taxonomic revision from authentic strain of H. endolithicus Darling et Friedman (Stramenopiles - Xanthophyceae) into epitype strain of Desmococcus antarctica (Darling et Friedmann) Rybalka et al. (Chlorophyta - Trebouxioph
 
PUBLICATIONS
Publication:Rybalka, N. et al. (2013) Congruence of chloroplast- and nuclear-encoded DNA sequence variations used to assess species boundaries in the soil microalga Heterococcus (Stramenopiles, Xanthophyceae). BMC Evolutionary Biology 13:39
Publication:Lang, I. et al. (2011) Fatty acid profiles and their distribution patterns in microalgae: a comprehensive analysis of more than 2000 strains from the SAG culture collection. BMC Plant Biol 11:124
Publication:Darling, R.B. et al. (1987) Heterococcus endolithicus sp. nov. (Xanthophyceae) and other terrestrial Heterococcus species from Antarctica: Morphological changes during life history and response to temperature. J. Phycol. 23:598-60
SEQUENCE INFORMATION
Sequence Accession:JX681197  Desmococcus antarctica strain SAG 63.90 isolate 195/A790-35 18S ribosomal RNA gene, partial sequence.  (683 bp)
CRYO
Cryopreservation:not detected
TEACHING
Recommended for teaching:no