Strain number NIES-26  
Phylum Cyanophyta  
Class Cyanophyceae  
Scientific name Nostoc minutum Desmazières ex Bornet & Flauhault  
Synonym  
Former name  
Common name Blue-green alga ; Cyanobacteria  
Locality (Date of collection) Ishigaki Isl., Okinawa, Japan  
Latitude / Longitude 24.432862 / 124.205447 
Habitat (Isolation source) Terrestrial  
History < IAM (1983);  
Isolator (Date of isolation) Ishikawa, Masako  
Identified by Watanabe, Makoto M.  
State of strain Cryopreservation; Unialgal; Non-clonal; Non-axenic  
Culture condition
(Preculture condition)
Medium:  MDM (agar)  
Temperature:  20 (25) C
Light intensity:  1 (14-16) µmol photons/m2/sec, L/D cycle:  10L:14D
Duration:  4 M (14 D)  
Gene information 16S rRNA ( LC228976 )  
Cell size (min - max) 2 - 5 μm  
Organization Filamentous 
Characteristics Chromatic adaptation  
Other strain no. Other collection strain no. : IAM M-17
 
Remarks Cryopreserved; Very slow growth 
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

Tamre, E. & Fournier, G. P. 2022 Inferred ancestry of scytonemin biosynthesis proteins in cyanobacteria indicates a response to Paleoproterozoic oxygenation. Geobiology, 20, 764–775.
Keywords: Bayesian phylogenetics; cyanobacteria; Paleoproterozoic; photoprotection; scytonemin; UVA radiation
Strain(s): 212325262672108211137564073407440754103 
PubMed: 35851984
DOI: 10.1111/gbi.12514

MacCready, J. S., Basalla, J. L., Vecchiarelli, A. G. 2020 Origin and evolution of carboxysome positioning systems in cyanobacteria. Mol. Biol. Evol., 37, 1434–1451.
Strain(s): 212225263039447387882675928068439329702098210021072108211125493275375437563974407340744075410141034106 
PubMed: 31899489
DOI: 10.1093/molbev/msz308

Hamana, K., Kobayashi, M., Yokota, A., Sekiguchi, H., Niitsu, M. 2008 Cellular polyamine profiles in cyanobacteria. Microbiol. Cult. Coll., 24, 3-8.
Keywords: cyanobacteria; homospermidine; polyamine; spermine; thermospermine
Strain(s): 263336462062082302672683053614164334344815075975989319321031211521332135 

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): 192122232425262728293031323334353637383940414445465051525354555658596061626364656667686970737475767778798081878990919293949596979899100101102103104105106107108109110111112119120122123125127128129130131132133134135137138139144147151152153154155156157158159160162163164165166167168170171172173174175176177178179180181182183185186187188189191192193194197198199200201202203204205206207208209210211212213214215216217224226227228229230231232241242243244245246248257259261262263266267268287288289290294295297298299300301302303305306308309310312313329334337338339340341342349351359360361362375378379380382384385390394396397398415416418419421422423424425426427428429430431432433434436437438439440446447448449450451452453454455456457458459460464468469474478479480481503504505506507509510512514515522523524527528529530531532536537538539540541542543544545546564565566567568569570571572573574575576577578579580581582583584585592593594595596597598604610628630631632633634635636637638639640641642643644645646647648649650651652653654655656657658659660661662663664665666667672685686687688689690691692693694717718719720721722723724725726727728729 

Murakami, M., Sun, Q., Ishida, K., Matsuda, H., Okino, T., Yamaguchi, K. 1997 Microviridins, elastase inhibitors from the cyanobacterium Nostoc minutum (NIES-26). Phytochemistry, 45, 1197-1202.
Keywords: Nostoc minutum; Cyanophyceae; cyclic peptide; microviridin G; microviridin H; elastase inhibitor; protease inhibitor
Strain(s): 26 
DOI: 10.1016/S0031-9422(97)00131-3

Okino, T., Sun, Q., Matsuda, H., Murakami, M., Yamaguchi, K. 1997 Nostopeptins A and B, elastase inhibitors from the cyanobacterium Nostoc minutum. J. Nat. Prod., 60, 158-161.
Strain(s): 26 
DOI: 10.1021/np960649a

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 

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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