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Whitehead PR & Brown NL (1985) A simple and rapid method for screening bacteria for type II restriction endonucleases: enzymes in Aphanothece halophytica. Archiv für Microbiologie 141(1): 70-74.
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Stulp BK, Bos SA, Stenveld H & Stam WT (1984) Growth of Anabaena strains (Cyanophyceae) exposed to crossed gradients of light and temperature. Cryptogamie Algologie 5: 63-71.
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Stulp BK & Stam WT (1984) Genotypic relationships between strains of Anabaena (Cyanophyceae) and their correlation with morphological affinities. British Phycological Journal 19(3): 287-301.
Stulp BK & Stam WT (1984) Growth and morphology of Anabaena strains (Cyanophyceae, Cyanobacteria) in cultures under different salinities. British Phycological Journal 19(3): 281-286.
Lyra C, Suomalainen S, Gugger M, Vezie C, Sundman P, Paulin L & Sivonen K (2001) Molecular characterization of planktic cyanobacteria of Anabaena, Aphanizomenon, Microcystis and Planktothrix genera. International Journal of Systematic and Evolutionary Microbiology 51: 513-526.
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Walker HL & Higginbotham LR (2000) An aquatic bacterium that lyses cyanobacteria associated with off-flavor of channel catfish (Ictalurus punctatus). Biological Control 18: 71-78.
Hughes SG, Bruce T & Murray K (1980) The isolation and characterisation of a sequence-specific endonuclease from Anabaena subcylindrica Biochemical Journal 185: 59-63.
DOI: none
Roberts RJ (1985) Restriction and modification enzymes and their recognition sequences. Nucleic Acids Research 13, Supplement: -.
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Bharathiraja B, Chakravarthy M, Ranjith Kumar R, Yogendran D, Yuvaraj D, Jayamuthunagai J, Praveen Kumar R & Palani S (2015) Aquatic biomass (algae) as a future feed stock for bio-refineries: A review on cultivation, processing and products. Renewable and Sustainable Energy Reviews 47: 634-653.
Markov SA, Thomas AD, Bazin JM & Hall DO (1997) Photoproduction of hydrogen by cyanobacteria under partial vacuum in batch culture or in a photobioreactor. International Journal of Hydrogen Energy 22: 521-524.
Rippka R, Deruelles J, Waterbury JB, Herdman M & Stanier RY (1979) Generic assignments, strain histories and properties of pure cultures of cyanobacteria. Journal of General Microbiology 111: 1-61.
Podosokoraskaya OA, Bonch-Osmolovskaya EA, Beskorovaynyy AV, Toshchakov SV, Kolganova TV & Kublanov IV (2014) Mobilitalea sibirica gen. nov., sp. nov., a halotolerant polysaccharide-degrading bacterium. International Journal of Systematic and Evolutionary Microbiology 64: 2657-2661.
Rossetti V, Filippini M, Svercel M, Barbour AD & Bagheri HC (2011) Emergent multicellular life cycles in filamentous bacteria owing to density-dependent population dynamics. Journal of the Royal Society Interface 8: 1772-1784.
Will SE, Henke P, Boedeker C, Huang S, Brinkmann H, Rohde M, Jarek M, Friedl T, Seufert S, Schumacher M, Overmann J, Neumann-Schaal M & Petersen J (2019) Day and night: Metabolic profiles and evolutionary relationships of six axenic non-marine cyanobacteria. Genome Biology and Evolution 11: 270-294.
Abedi S, Astaraei FR, Ghobadian B, Tavakoli O, Jalili H, Greenwell HC, Cummins I & Chivasa S (2019) Decoupling a novel Trichormus variabilis-Synechocystis sp. interaction to boost phycoremediation Scientific Reports 9: 2511.
Division/Phylum: Cyanophyta Class: Cyanophyceae Order: Nostocales

Note: for strains where we have DNA barcodes we can be reasonably confident of identity, however for those not yet sequenced we rely on morphology and the original identification, usually made by the depositor. Although CCAP makes every effort to ensure the correct taxonomic identity of strains, we cannot guarantee that a strain is correctly identified at the species, genus or class levels. On this basis users are responsible for confirming the identity of the strain(s) they receive from us on arrival before starting experiments.
For strain taxonomy we generally use AlgaeBase for algae and Adl et al. (2019) for protists.

Culture media, purity and growth conditions:
Medium: BG110; Bacteria and other organisms present; Cryopreserved;
AuthorityKützing ex Bornet & Flahault) Komárek & Anagnostidis 1989
Collection Site Utrecht, Holland, Netherlands
Notes filament with differentiated cells (akinete/heterocyst); This strain contains very low numbers of Synechocystis, living commensally with the Trichormus. See the paper linked here for more details: SM_FreshwaterCyanobacteria.pdf
Toxin Producer Not Toxic / No Data
Type Culture No
Taxonomy WoRMS ID 146661
Equivalent StrainsATCC 29211,PCC 6309,SAG 1403-4b,UTEX 377
Synonyms Anabaena variabilis
Formerly Listed in CCAP asAnabaena variabilis Kützing 1843

CCAP 1403/4B

Trichormus variabilis