• Planktothrix rubescens
References [ 6 ]
Griffiths AE, Walsby AE & Hayes PK (1992) The homologies of gas vesicle proteins Journal of General Microbiology 138: 1243-1250.
Becker S, Hayes PK & Walsby AE (2005) Different gvpC length variants are transcribed within single filaments of the cyanobacterium Planktothrix rubescens. Microbiology 151: 59-67.
Beard SJ, Davis PA, Iglesias-Rodriguez D, Skulberg OM & Walsby AE (2000) Gas vesicle genes in Planktothrix spp. from Nordic lakes: Strains with weak gas vesicles possess a longer variant of gvpC. Microbiology 146: 2009-2018.
DOI: none
Ostermaier V, Christiansen G, Schanz F & Kurmayer R (2013) Genetic variability of microcystin biosynthesis genes in Planktothrix as elucidated from samples preserved by heat desiccation during three decades. PLoS ONE 8(11): e80177.
Gaget V, Welker M, Rippka R & Tandeau de Marsac N (2015) A polyphasic approach leading to the revision of the genus Planktothrix (Cyanobacteria) and its type species, P. agardhii, and proposal for integrating the emended valid botanical taxa, as well as three new species, Planktothrix paucivesiculata sp. nov.ICNP, Planktothrix tepida sp. nov.ICNP, as genus and species names with nomenclatural standing under the ICNP. Systematic and Applied Microbiology 38: 141-158.
Araoz R, Nghiem H, Rippka R, Palibroda N, Tandeau de Marsac N & Herdman M (2005) Neurotoxins in axenic oscillatorian cyanobacteria: Coexistence of anatoxin-a and homoanatoxin-a determined by ligand-binding assay and GC/MS Microbiology 151: 1263-1273.
Division/Phylum: Cyanophyta Class: Cyanophyceae Order: Oscillatoriales

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: BG11; Bacteria present; maintained by serial subculture;
Attributes
Authority(De Candolle ex Gomont) Anagnostidis & Komárek 1988
IsolatorO.M.Skulberg
Collection Site Lake Gjersjøen, Norway
Notes uniseriate filament (one cell wide); Jun2018 renamed as per morphology and with reference to PCC 7821; LC-MS analysis by RGU in 2021 for cylindrospermopsins, microcystins and anatoxins: detected microcystins DM-RR, YR, DM-LR
Axenicity Status Bacteria present
Area Europe
Country Norway
Environment Freshwater
GMO No
Group Cyanobacteria
Original Designation CYA 18
Pathogen Not pathogenic: Hazard Class 1
Strain Maintenance Sheet SM_FreshwaterCyanobacteria.pdf
Toxin Producer Toxic
Type Culture No
Taxonomy WoRMS ID 572064
Equivalent StrainsPCC 7821
Synonyms Oscillatoria rubescens
Formerly Listed in CCAP asOscillatoria agardhii Gomont 1892,Planktothrix agardhii

CCAP 1459/37

Planktothrix rubescens


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