Strain number NIES-293  
Phylum Heterokontophyta  
Class Raphidophyceae  
Scientific name Heterosigma akashiwo (Hada) Hada ex Y.Hara & Chihara  
Synonym -----  
Former name  
Common name  
Locality (Date of collection) Onagawa Bay Miyagi Japan (1984-08-28)  
Latitude / Longitude  
Habitat (Isolation source) Marine (Seawater)  
History < Suda, Shoichiro  
Isolator (Date of isolation) Suda, Shoichiro (1984-09-01)  
Identified by Suda, Shoichiro  
State of strain Subculture; Unialgal; Clonal; Axenic[2016 Jul]  
Culture condition
(Preculture condition)
Medium:  f/2  
Temperature:  20 C
Light intensity:  32-40 µmol photons/m2/sec, L/D cycle:  10L:14D
Duration:  20 D  
Gene information Plastid DNA ( NC_010772 EU168190 ) , 18S-ITS1-5.8S-ITS2-28S ( DQ470658 ) , CO1 ( AB334512 ) , rbcL ( AB334439 )  
Cell size (min - max)  
Organization Unicellular; Flagellate 
Characteristics Red tide ; Genome decoded strain (Cattolico, R. A. et al. 2008)  
Other strain no. Other strain no. : 8280G21-1  
Remarks Fragile species to transportation stresses; Read and agree "How to order 4.1" 
Movie  

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