The Microbial Culture Collection at the National Institute for Environmental Studies

Strain Data

Strain number NIES-981  
Phylum Cyanophyta   Class Cyanophyceae 
Scientific name Cyanobium sp.  
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)  
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 Unialgal; Clonal; Axenic[2015 Dec]  
Preservation state
(State of preservation)
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 

1833)   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 

1840)   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