Strain number NIES-4490  
Phylum Cyanophyta  
Class Cyanophyceae  
Scientific name Umezakia ovalisporum (Forti) McGregor, Sendall, Niiyama, Tuji & Willis  
Synonym Aphanizomenon ovalisporum Forti 1911; Chrysosporum ovalisporum (Forti) Zapomelová, Skácelová, Pumann, Kopp & Janeček 2013; Umezakia natans M.Watanabe 1987  
Former name  
Common name Blue-green alga ; Cyanobacteria  
Locality (Date of collection) Hateruma Isl., Taketomi, Okinawa, Japan (2012-09-22)  
Latitude / Longitude 24.048833 / 123.774900 
Habitat (Isolation source) Freshwater (Pond water)  
History < Niiyama, Yuko; Tuji, Akihiro  
Isolator (Date of isolation) Niiyama, Yuko (2012-09-28)  
Identified by Niiyama, Yuko  
State of strain Cryopreservation; Unialgal; Clonal; Non-axenic  
Culture condition
(Preculture condition)
Medium:  CCT  
Temperature:  20 C
Light intensity:  23 µmol photons/m2/sec, L/D cycle:  10L:14D
Duration:  1 M  
Gene information  
Cell size (min - max) 5 - 6 μm  
Organization Filamentous; Branched 
Characteristics Planktonic ; Nitrogen fixation  
Other strain no. Other strain no. : Ak1311; HU2  
Remarks Cryopreserved 
Movie  
Reference
McGregor, G. B., Sendall, B. C., Niiyama, Y., Tuji, A., Willis, A. 2023 Chrysosporum ovalisporum is synonymous with the true-branching cyanobacterium Umezakia natans (Nostocales/Aphanizomenonaceae). J. Phycol., 59, 326-341.
Strain(s): 21262665358541034490 
PubMed: 36680435
DOI: 10.1111/jpy.13317

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