| SAG Strain Number: | 2422 | 
		
		| TAXONOMY | 
		| Genus: | Heterococcus | 
		| Species: | viridis | 
		| Taxonomic position: | Heterokontophyta - Xanthophyceae | 
		| Authority: | Chodat | 
		| Variety: |  | 
		| Formerly called: | Heterococcus pleurococcoides Pitschmann | 
		| Authentic: | no | 
		| Division: | Heterokontophyta | 
		| Class: | Xanthophyceae | 
		| ORIGIN | 
		| General habitat: |  | 
		| Climatic zone: | polar | 
		| Continent: | Antarctica | 
		| Country: | Antarctica | 
		| Locality: | Mac. Robertson Land, Chapman Ridge (ice-free area);  elevation 300m (67°28'S, 60°57'E), assoc. with macroscopic growth of Nostoc commune on waterflushed slope | 
		| Lat. / Long.  (Precision): | -67.466667 / 60.950000     View on Google Maps | 
| Year: | between 1978 and 1979 | 
		| Isolated by: | P. A. Broady | 
		| Strain number by isolator: | 473 (EIF PAB 398/473) | 
		| Deposition by: | E. I. Friedmann | 
		| Deposition date: | 11.1987 | 
		| CULTURE INFORMATION | 
		| Culture medium: | ES Ag | 
		| Axenic: | bacterial and fungal contaminations | 
		| Strain relatives: | UTEX EE 122, CCMEE 398 Broady#473 | 
| Agitation resistance: | yes | 
| Special properties: |  | 
|   | 
| PUBLICATIONS | 
| Publication: | Kryvenda A. et al. (2023) Testing for terrestrial and freshwater microalgae productivity under elevated CO2 conditions and nutrient limitation. BMC Plant. Biol. 23:27 | 
| 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: | 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: | JX681211  Heterococcus pleurococcoides strain SAG EIF PAB 398/473 isolate EIF PAB 398/473 PsbA (psbA) gene, partial cds; psbA-rbcL intergenic spacer, complete sequence; ribulose-1,5-bisphosphate carboxylase/oxygenase large subunit (rbcL) gene, complete cds; rb (1982 bp) | 
| Sequence Accession: | JX681155  Heterococcus pleurococcoides strain SAG EIF PAB 398/473 isolate EIF PAB 398/473 5.8S ribosomal RNA gene, partial sequence; internal transcribed spacer 2, complete sequence; and 26S ribosomal RNA gene, partial sequence.  (339 bp) | 
		| CRYO | 
		| Cryopreservation: | not detected | 
| TEACHING | 
		| Recommended for teaching: | no |