Strain number NIES-4674  
Phylum Cyanophyta  
Class Cyanophyceae  
Scientific name Raphidiopsis curvispora (M.Watanabe) Aguilera & al.  
Synonym Cylindrospermopsis curvispora M.Watanabe; Anabaenopsis gangetica G.U.Nair 1967; Anabaenopsis tanganyikae f. gangetica (G.U.Nair) Jeeji-bai 1977; Cylindrospermopsis gangetica (G.U.Nair) Komárek 2012; Raphidiopsis gangetica (G.U.Nair) Aguilera, Berrendero Gómez, Kaštovský, Echenique & Salerno 2018  
Former name  
Common name Blue-green alga ; Cyanobacteria  
Locality (Date of collection) Makino-ike Pond, Idakacho, Meitoku, Nagoya, Aichi, Japan (2022-10-05)  
Latitude / Longitude 35.14917 / 137.00917 
Habitat (Isolation source) Freshwater (Pond water)  
History < Fukuoka, Masayuki  
Isolator (Date of isolation) Fukuoka, Masayuki (2022-10-05)  
Identified by Fukuoka, Masayuki  
State of strain Subculture; Unialgal  
Culture condition
(Preculture condition)
Medium:  CB  
Temperature:  20 C
Light intensity:  25 µmol photons/m2/sec, L/D cycle:  10L:14D
Duration:  1 M  
Gene information 16S-23S-ITS ( LC835059 ) , rbcLX ( LC842166 )  
Cell size (min - max) 2 - 4 μm  
Organization Filamentous 
Characteristics Cyanobacterial water bloom (aoko) ; Planktonic ; Nitrogen fixation ; Authentic strain, Epitype (Fukuoka et al. 2025)  
Other strain no. Other strain no. : MF35  
Remarks  
Movie  
Related strain information
(Large number of orders and same genus or species)
Related strain information
(Whose relevance due to simultaneous purchases and other information is inferred by AI)
Strain number Scientific name Common name Habitat (Isolation source) Characteristics
NIES-4116
Raphidiopsis sp. Blue-green alga ; Cyanobacteria   Freshwater (Reservoir water) Cyanobacterial water bloom (aoko) ; Toxicity ; deoxycylindrospermopsin (+) ; cylindrospermopsin (+) ; Planktonic  
NIES-992
Raphidiopsis raciborskii Blue-green alga ; Cyanobacteria   Freshwater (Pond water) Cyanobacterial water bloom (aoko) ; Non-toxic (Zarenezhad et al. 2012) ; Planktonic  
Reference
Fukuoka, M., Ohata, F., Okamura, Y., Niiyama, Y. 2025 Epitypification of planktonic Cyanobacteria Raphidiopsis curvispora (Aphanizomenonaceae, Nostocales) based on the strain from the type locality. Phycol. Res., 73, 261-269.
Keywords: 16S rRNA gene; 16S–23S rRNA ITS region; cyanobacteria; epitypification; phylogeny; Raphidiopsis; curvispora; rbcLX; taxonomy; type locality
Strain(s): 4674 
DOI: 10.1111/pre.70003

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