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Strain number NIES-45  
Phylum Cyanophyta  
Class Cyanophyceae  
Scientific name Planktothrix spiroides Wang & Li  
Synonym  
Former name Formerly identified as Spirulina platensis (=Arthrospira platensis), re-identified at NIES by DNA analysis[2013 Oct]  
Common name Blue-green alga ; Cyanobacteria  
Locality (Date of collection) Lake Kasumigaura Ibaraki Japan (1975-11-**)  
Latitude / Longitude 36.0428477398 / 140.373233439 
Habitat (Isolation source) Freshwater (Lake water)  
History < IAM (1983);  
Isolator (Date of isolation) Watanabe, Makoto M.; Ichimura, Terunobu (1975-11-**)  
Identified by Re-identified by NIES  
State of strain Cryopreservation; Unialgal; Clonal; Non-axenic  
Culture condition
(Preculture condition)
Medium:  MA  
Temperature:  25 C
Light intensity:  14-17 µmol photons/m2/sec, L/D cycle:  10L:14D
Duration:  42 D  
Gene information 16S rRNA ( LC096262 )  
Cell size (min - max)  
Organization Filamentous 
Characteristics Cyanobacterial water bloom (aoko)  
Other strain no. Other collection strain no. : IAM M-184
Other strain no. : KAS-6-50  
Remarks Cryopreserved 
Movie  
Reference
Kaya, K., Shiraishi, F., Uchida, H., Sano, T. 2011 A novel retinoic acid analogue, 7-hydroxy retinoic acid, isolated from cyanobacteria. Biochim. Biophys. Acta, 1810, 414-419.
Keywords: 7-hydroxy retinoic acid; RAR agonistic activity; cyanobacteria; UV stability
Strain(s): 444546512610931 
DOI: 10.1016/j.bbagen.2010.11.009

Hirabayashi, R., Imamura, N. 2003 Action mechanism of a selective anti-cyanobacterial compound, argimicin A. J. Antibiotics, 56, 154-159.
Strain(s): 414581102204230298592 

Yamaguchi, T., Kobayashi, Y., Adachi, K., Imamura, N. 2003 Argimicins B and C, new anti-cyanobacterial compounds produced by Sphingomonas sp. M-17. J. Antibiot., 56, 655-657.
Strain(s): 4581102230298592 

Mori, F., Erata, M., Watanabe, M. M. 2002 Cryopreservation of cyanobacteria and green algae in the NIES-Collection. Microbiol. Cult. Coll., 18, 45-55.
Keywords: cryopreservation; cyanobacteria; green algae; FDA staining method; NIES-Collection
Strain(s): 19212223242526272829303132333435363738394041444546505152535455565758596061626364656667686970737475767778798081878990919293949596979899100101102103104105106107108109110111112119120122123124125127128129130131132133134135137138139144147148150151152153154155156157158159160162163164165166167168169170171172173174175176177178179180181182183185186187188189191192193194195197198199200201202203204205206207208209210211212213214215216217224226227228229230231232241242243244245246248257259261262263266267268271287288289290294295297298299300301302303305306308309310311312313329334336337338339340341342349351359360361362375378379380382384385390394396397398415416418419421422423424425426427428429430431432433434436437438439440446447448449450451452453454455456457458459460464468469474478479480481503504505506507509510512514515522523524527528529530531532536537538539540541542543544545546564565566567568569570571572573574575576577578579580581582583584585592593594595596597598604610628630631632633634635636637638639640641642643644645646647648649650651652653654655656657658659660661662663664665666667672685686687688689690691692693694717718719720721722723724725726727728729 

Suzuki, S., Tazawa, R., Miya, A., Adachi, T., Kanki, R., Toyobe, M., Oguchi, M. 1994 Gas revitalization by microalgae. I. Studies on species and culture condition. CELSS J., 7, 23-28 (in Japanese with English summary).
Keywords: microalgae; Spirulina; SOT medium; culture condition; CO2/O2 gas exchange system
Strain(s): 394546 

Watanabe, Y., Ohmura, N., Saiki, H. 1992 Microbial CO2 fixation. 2. Isolation and determination of cultural characteristics of Chlorella strains which function under CO2 enriched atmosphere. CRIEPI Kenkyû-Hôkoku, U92014, 1-21 (in Japanese with English summary).
Keywords: climate change; CO2; CO2 fixation; microalgae; Chlorella
Strain(s): 27459294122158204226227 

Watanabe, M. M., Kasai, F., Hiwatari, T., Suda, S., Nei, T. 1984 Cryopreservation of microalgae in liquid nitrogen - Survival of algal cultures after freezing. Jpn. J. Freez. Dry., 30, 23-26 (in Japanese with English title).
Strain(s): 1819212426293139404144454650737475767780818788899091939598991001011201221311351371441512042072132572633794152219223522392579 

Ichimura, T., Itoh, T. 1977 17. Preservation methods of microalgae (I) [17. Bisaisôrui no hozonhô (I)]. In Preservation methods of microorganisms [Biseibutsu Hozonhô], Ed. by Nei, T., University of Tokyo Press, Tokyo, p. 355-373 (in Japanese without English title).
Strain(s): 19212223242728303132333436373839404144454647484950122123127131144152173175179180181182183185198200203206217226227241266267268271295309310334338379436448450455527 

Watanabe, M. M. 1977 Biosystematics in Closterium of sexual unicellular green algae and Calothrix and Spirulina of asexual filamentous blue-green algae, with special reference to the analyses of natural populations. Thesis D. Sci., Hokkaido University, 114 pp., 28 tables, 54 figs.
Strain(s): 3945465152535455565758596061626364656667686970261262266268 

Watanabe, M. M., Ichimura, T. 1977 Fresh- and salt-water forms of Spirulina platensis in axenic cultures. Bull. Jpn. Soc. Phycol., 25, Suppl. (Mem. Iss. Yamada), 371-377.
Strain(s): 394546 

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