Strain number NIES-419  
Phylum Chlorophyta  
Class Chlorophyceae  
Scientific name Astrephomene gubernaculifera Pocock  
Synonym  
Former name  
Common name Green alga  
Locality (Date of collection) Yoshidajima, Kaisei, Kanagawa, Japan (1981-04-**)  
Latitude / Longitude 35.33012 / 139.13128 
Habitat (Isolation source) Freshwater (Paddy soil)  
History < Nozaki, Hisayoshi  
Isolator (Date of isolation) Nozaki, Hisayoshi (1981-05-20)  
Identified by Nozaki, Hisayoshi  
State of strain Subculture; Unialgal; Clonal; Axenic[2017 Dec]  
Culture condition
(Preculture condition)
Medium:  VTAC  
Temperature:  20 C
Light intensity:  8-11 µmol photons/m2/sec, L/D cycle:  10L:14D
Duration:  1 M  
Gene information  
Cell size (min - max)  
Organization Colonial; Flagellate 
Characteristics Phototaxis ; Heterothallic ; Mating type (+) ; Crosses with NIES-418  
Other strain no. Other strain no. : 1520-1 (+)  
Remarks Axenic 
Movie  
Reference
Nozaki, H., Mori, F., Tanaka, Y., Matsuzaki, R., Yamashita, S., Yamaguchi, H., Kawachi, K. 2023 Cryopreservation of two species of the multicellular volvocine green algal genus Astrephomene. BMC Microbiol., 23, 16 (article ID).
Keywords: Asexual cycle; Astrephomene; Cryopreservation; Cryoprotectant; Culture collection; Volvocine green algae
Strain(s): 4184195645656288538548554017 
PubMed: 36650459
DOI: 10.1186/s12866-023-02767-3

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 

Nozaki, H. 1983 Morphology and taxonomy of two species of Astrephomene (Chlorophyta, Volvocales) in Japan. J. Jpn. Bot., 58, 345-352, pls. 11-13.
Strain(s): 418419564565 

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