Strain Data
Strain number NIES-2665  
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 Umezakia natans M.Watanabe  
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 ) , 16S, 16S-IRS-23S ( MT566431 MT566432 )  
Cell size (min - max)  
Organization Branched 
Characteristics Nitrogen fixation　 (aerobic condition, Modified BG-110 medium, N-Free medium)  
Other strain no. Other strain no. : TAC611  
Remarks Cryopreserved 
Movie  
Related strain information
(Used in same reference)
Strain number Scientific name Common name Habitat (Isolation source) Characteristics
NIES-1058
 		Microcystis aeruginosa Blue-green alga ; Cyanobacteria   Freshwater (Lake water) Cyanobacterial water bloom (aoko) ; Toxicity ; microcystin (+) (Tanabe et al. 2009b) ; Reisolated from TAC 45 ; ST26 (Tanabe et al. 2007)  
NIES-1678
 		Sphaerospermopsis oumiana Blue-green alga ; Cyanobacteria   Freshwater (Lake water) Planktonic  
NIES-1043
 		Microcystis aeruginosa Blue-green alga ; Cyanobacteria   Freshwater (Lake water) Cyanobacterial water bloom (aoko) ; Toxicity ; microcystin (+) (Asukabe et al. 2020) ; Planktonic  
NIES-981
 		Cyanobium sp. Blue-green alga ; Cyanobacteria   Marine (Tidal flat sediment) Test strain (Yamagishi et al. 2016) ; Genome decoded strain (Yamaguchi et al. 2016) ; Synechococcus clade group K (Suzuki et al. 2022)  
NIES-3708
 		Geminocystis sp. Blue-green alga ; Cyanobacteria   Freshwater (Lake water) Phototaxis ; chromatic adaptation ; Genome decoded strain (Hirose et al. 2015a)  
Reference
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 
DOI: 10.5507/FOT.2011.016

Asukabe, H., Akahori, S., Ueno, E., Nakayama, T., Yamashita, R., Arii, S., Harada, K., Imanishi, S. Y. 2020 Cyanobacterial classification with the toxicity using MALDI Biotyper. J. Am. Soc. Mass Spectrom., 31, 1572-1578.
Keywords: cyanobacteria; MALDI Biotyper; microcystins; profiling
Strain(s): 27,  39,  42,  73,  81,  87,  89,  100,  101,  102,  103,  104,  105,  107,  111,  112,  207,  208,  230,  266,  298,  416,  433,  478,  510,  512,  515,  592,  593,  604,  611,  808,  809,  835,  843,  846,  847,  905,  928,  931,  932,  945,  981,  989,  1025,  1043,  1058,  1061,  1064,  1068,  1069,  1071,  1076,  1085,  1099,  1101,  1105,  1113,  1115,  1126,  1133,  1134,  1135,  1144,  1157,  1215,  1642,  1643,  1652,  1668,  1672,  1673,  1677,  1678,  1698,  2087,  2131,  2412,  2665,  3708,  3733,  3734,  3736,  3755,  3756,  3757 
PubMed: 32501712
DOI: 10.1021/jasms.0c00148

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): 21,  26,  2665,  3585,  4103,  4490 
PubMed: 36680435
DOI: 10.1111/jpy.13317

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