Strain number NIES-981  
Phylum Cyanophyta  
Class Cyanophyceae  
Scientific name Cyanobium sp.  
Synonym  
Former name Formerly identified as Synechococcus sp., re-identified at NIES by DNA analysis[2016 Apr]  
Common name Blue-green alga ; Cyanobacteria  
Locality (Date of collection) Iriomote Isl., Hoshidate Okinawa Japan (1999-07-01)  
Latitude / Longitude  
Habitat (Isolation source) Marine (Tidal flat sediment)  
History < Tezuka, Naoaki  
Isolator (Date of isolation) Tezuka, Naoaki (1999-09-**)  
Identified by Re-identified at NIES by DNA analysis  
State of strain Cryopreservation; Unialgal; Clonal; Axenic[2015 Dec]  
Culture condition
(Preculture condition)
Medium:  ESM  
Temperature:  20 C
Light intensity:  9-15 µmol photons/m2/sec, L/D cycle:  10L:14D
Duration:  1 M  
Gene information Whole-genome ( LT578417 ) , 16S rRNA ( AF448064 ) , rpoC1 ( AF448085 )  
Cell size (min - max) 1 - 3 μm  
Organization Unicellular 
Characteristics Test strain for algal growth inhibition test (Yamagishi, T., 2016) ; Genome decoded strain (Yamaguchi, H. et al. 2016)  
Other strain no. Other strain no. : Hos  
Remarks Cryopreserved 
Movie  
Reference
Yamaguchi, H., Shimura, Y., Suzuki, S., Yamagishi, T., Tatarazako, N., Kawachi, M. 2016 Complete genome sequence of Cyanobium sp. NIES-981, a marine strain potentially useful for ecotoxicological bioassays. GenomeA, 4, e00736-16 (article ID).
Strain(s): 981 
DOI: 10.1128/genomeA.00736-16

Yamagishi, T., Katsumata, M., Yamaguchi, H., Shimura, Y., Kawachi, M., Koshikawa, H., Horie, Y., Tatarazako, N. 2016 Rapid ecotoxicological bioassay using delayed fluorescence in the marine cyanobacterium Cyanobium sp. (NIES-981). Ecotoxicology, 25, 1751-1758.
Keywords: Algal growth inhibition test; Cyanobium sp.; Delayed fluorescence; Marine cyanobacteria
Strain(s): 981 
DOI: 10.1007/s10646-016-1718-7

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