Strain number NIES-2665  
Phylum Cyanophyta  
Class Cyanophyceae  
Scientific name Umezakia natans M.Watanabe  
Former name  
Common name Blue-green alga ; Cyanobacteria  
Locality (Date of collection) Lake Sugako Wakasa Fukui Japan (2008-08-25)  
Latitude / Longitude 35.58099166 / 135.90004722 
Habitat (Isolation source) Freshwater (Water)  
History < Tsuji, Akihiro  
Isolator (Date of isolation) Tsujimura, Shigeo (2008-08-25)  
Identified by Tsujimura, Shigeo  
State of strain Cryopreservation; Unialgal; Clonal; Non-axenic  
Culture condition
(Preculture condition)
Medium:  CT  
Temperature:  20 C
Light intensity:  15-25 µmol photons/m2/sec, L/D cycle:  10L:14D
Duration:  2 M  
Gene information 16S rRNA ( AB608023 )  
Cell size (min - max)  
Organization branched 
Characteristics Toxicity ; Nitrogen fixation  (aerobic condition)  
Other strain no. Other strain no. : TAC611  
Remarks Toxicity; Cryopreserved 
Niiyama, Y., Tuji, A., Tsujimura, S. 2011 Umezakia natans M.WATAN. does not belong to Stigonemataceae but to Nostocaceae. Fottea, 11, 163-169.
Keywords: Anabaena bergii; Aphanizomenon ovalisporum; Nostocaceae; Stigonemataceae; Umezakia natans; 16S rDNA
Strain(s): 2665 

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