| SAG Strain Number: | 38.81 |
| TAXONOMY |
| Genus: | Tetradesmus |
| Species: | lagerheimii |
| Taxonomic position: | Chlorophyta - Chlorophyceae |
| Authority: | Wynne et Guiry 2016 |
| Variety: | |
| Formerly called: | Scenedesmus acuminatus (Lagerheim) Chodat |
| Authentic: | no |
| Division: | Chlorophyta |
| Class: | Chlorophyceae |
| Common name: | Green Algae - Chlorophytes |
| ORIGIN |
| General habitat: | freshwater |
| Climatic zone: | temperate |
| Continent: | Europe |
| Country: | Germany |
| Locality: | Torfvenn near Dülmen |
| Lat. / Long. (Precision): | 51.767946 / 6.985316 (200m) View on Google Maps |
| Year: | 1978 |
| Isolated by: | E. Hegewald |
| Strain number by isolator: | Heg 1978-5 |
| Deposition by: | E. Hegewald |
| Deposition date: | 12.1980 |
| CULTURE INFORMATION |
| Culture medium: | ESP Ag |
| Axenic: | axenic |
| Strain relatives: | |
| Agitation resistance: | yes |
| Special properties: | NO known Nagoya Protocol restrictions for this strain; non-authentic strain of Scenedesmus acuminatus (Lagerheim) Chodat 1902 reassigned to Tetradesmus lagerheimii Wynne et Guiry 2016. SAG 08/2025 |
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| PUBLICATIONS |
| Publication: | Hodač L. et al. (2025) Exploiting algal strains for robust cross-domain phytoplankton classification via deep learning. Limnol. Oceanogr. Methods |
| Publication: | Weber de Melo V. et al. (2025) Light and nutrients modulate the temperature-sensitivity of growth in phytoplankton. Limnol. Oceanogr. Lett. 10:91-100 |
| Publication: | Cho H.S. et al. (2024) Taxonomic reinvestigation of the genus Tetradesmus (Scenedesmaceae; Sphaeropleales) based on morphological characteristics and chloroplast genomes. Front Plant Sci. 15:1303175 |
| Publication: | Ladd S.N. et al. (2024) Taxon-specific hydrogen isotope signals in cultures and mesocosms facilitate ecosystem and hydroclimate reconstruction. Geochimica et Cosmochimica Acta 390:199-210 |
| Publication: | Mai X.C. et al. (2023) "DNA signaturing” database construction for Tetradesmus species identification and phylogenetic relationships of Scenedesmus-like green microalgae (Scenedesmaceae, Chlorophyta). J. Phycol. 59:775-784 |
| Publication: | Lamprecht O. et al. (2022) Synthetic periphyton as a model system to understand species dynamics in complex microbial freshwater communities. npj Biofilms Microbiomes 8:61 |
| Publication: | Astafyeva Y. et al. (2020) Draft genome sequence of the green alga Scenedesmus acuminatus SAG 38.81. Microbiol Resour Announc 9:e01278-19 |
| Publication: | Lewington-Pearce L. et al. (2019) Temperature-dependence of minimum resource requirements alters competitive hierarchies in phytoplankton. Oikos 128:1194-1205 |
| Publication: | Sgier L. et al. (2018) Evaluation of Phototrophic Stream Biofilms Under Stress: Comparing Traditional and Novel Ecotoxicological Endpoints After Exposure to Diuron. Front. Microbiol. 9:2974 |
| Publication: | Narwani, A. et al. (2017) Ecological interactions and coexistence are predicted by gene expression similarity in freshwater green algae. Journal of Ecology 105 (3):580-591 |
| Publication: | Sgier L. et al. (2016) Flow cytometry combined with viSNE for the analysis of microbial biofilms and detection of microplastics. Nat. Comm. 7:11587 |
| Publication: | Alexandrou, M.A. et al. (2015) Evolutionary relatedness does not predict competition and co-occurrence in natural or experimental communities of green algae. Proc. Royal Soc. B 282 (1799) |
| Publication: | Sciuto K. et al. (2015) Chodatodesmus australis sp. nov. (Scenedesmaceae, Chlorophyta) from Antarctica, with the emended description of the genus Chodatodesmus, and circumscription of Flechtneria rotunda gen. et sp. nov. Journal of Phycology 51 (6):1172-1188 |
| Publication: | Claudia Grewe (2009) Untersuchungen zur Astaxanthin-Biosynthese in den Grünalgen Scenedesmus sp. und Haematococcus pluvialis. |
| Publication: | Takeda, H. (1996) Cell wall sugars of some Scenedesmus species. Phytochemistry 42 (3):673-675 |
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| SEQUENCE INFORMATION |
| Sequencing Project: | PRJEB34756 Scenedesmus acuminatus SAG 38.81 - MinION1 |
| Sequencing Project: | SAMEA6096719 BioSample: SAMEA6096719; Sample name: Scenedesmus acuminatus SAG 38.81 - NextSeq; SRA: ERS3897113 |
| Sequencing Project: | SAMN02639772 Transcriptome Sequences for Acutodesmus acuminatus |
| Sequence Accession: | OL304135 Tetradesmus acuminatus strain SAG 38.81 small subunit ribosomal RNA gene, partial sequence. (558 bp) |
| Sequence Accession: | MK975480 Tetradesmus lagerheimii strain SAG 38.81 ssu rRNA gene, partial sequence; ITS 1, 5.8S rRNA gene, and ITS 2, complete sequence; and lsu rRNA gene, partial sequence (1568 bp) |
| Sequence Accession: | KU948220 Acutodesmus acuminatus isolate EPSAG 38.81 18S ribosomal RNA gene and internal transcribed spacer 1, partial sequence. (697 bp) |
| Sequence Accession: | HG514396 Acutodesmus acuminatus partial tufA gene for elongation factor tu, strain SAG 38.81. (879 bp) |
| CRYO |
| Cryopreservation: | medium survival, standard CRF 5% MetOH |
| TEACHING |
| Recommended for teaching: | yes |
