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Strain number NIES-21  
Phylum Cyanophyta  
Class Cyanophyceae  
Scientific name Anabaenopsis circularis (G.S. West) Woloszynska & Miller  
Synonym -----  
Former name  
Common name Blue-green alga ; Cyanobacteria  
Locality (Date of collection) (-----)  
Latitude / Longitude  
Habitat (Isolation source)  
History < IAM (1983);  
Isolator (Date of isolation) Watanabe, Atsushi (-----)  
Identified by Hirano  
State of strain Cryopreservation; Unialgal; Clonal; Axenic[2014 Feb]  
Culture condition
(Preculture condition)
Medium:  MDM (agar)  
Temperature:  20 (25) C
Light intensity:  4-10 (15-19) µmol photons/m2/sec, L/D cycle:  10L:14D
Duration:  4 M (14 D)  
Gene information 16S rRNA ( AB043537 AF247595 ) , cpcB, cpcA ( JF740674 ) , gyrB ( AB074773 ) , rbcL, rbcX, rbcS ( JN251747 ) , rpoC1 ( AB074796 ) , rpoD1 ( AB074823 )  
Cell size (min - max)  
Other strain no. Other collection strain no. : IAM M-4
Remarks Cryopreserved 
Oikawa, E. Ishibashi, Y., 2004 Species specificity of musty odor producing Phormidium tenue in Lake Kamafusa. Wat. Sci. Tech., 49, 41-46.
Keywords: 16S-rDNA sequence; 2-methylisoborneol; musty odor; Phormidium tenue phylogenetic tree
Strain(s): 213033417376512611 

Seo, P-S., Yokota, A. 2003 The phylogenetic relationships of cyanobacteria inferred from 16S rRNA, gyrB, rpoC1 and rpoD1 gene sequences. J. Gen. Appl. Micobiol., 49, 191-203.
Keywords: cyanobacteria; gyrB; phylogeny; protein evolution; rpoC1; rpoD1; 16S rDNA
Strain(s): 19212225391042093209521283277 

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 

Oikawa, E., Ishibashi, Y., Abe, T., Umetsu, H. 2000 Phylogenetic classification of musty odor and/or toxic compounds producing cyanobacteria. Environ. Eng. Res., 37, 183-191 (in Japanese with English summary).
Keywords: cyanobacteria; musty odor; 16S ribosomal RNA; PCR; phylogenetic trees
Strain(s): 213033417376512 

Beltran, E. C., Neilan, B. 2000 Geographical segregation of the neurotoxin-producing cyanobacterium Anabaena circinalis. Appl. Environ. Microbiol., 66, 4468-4474.
Strain(s): 192123404180 

Asada, Y., Kawamura, S. 1986 Screening for cyanobacteria that evolve molecular hydrogen under dark and anaerobic conditions. J. Ferment. Technol., 64, 553-556.
Strain(s): 19212336394621193277 

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 

Murano, F., Fujita, Y. 1967 Comparative studies of photochemical oxidation-reduction reactions in lamellar fragments of various algae and spinach. Plant Cell Physiol., 8, 673-682.
Strain(s): 19213748 

Watanabe, A., Yamamoto, Y. 1967 Heterotrophic nitrogen fixation by the blue-green alga Anabaenopsis circularis. Nature, 214, 738
Strain(s): 21 
DOI: 10.1038/214738a

Watanabe, A. 1960 List of algal strains in collection at the Institute of Applied Microbiology, University of Tokyo. J. Gen. Appl. Microbiol., 6, 283-292.
Strain(s): 192122232425262829374749226227 

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