Strain number NIES-2340  
Phylum Chlorophyta  
Class Chlorophyceae  
Scientific name Mychonastes gigas Nozaki  
Synonym  
Former name Mychonastes frigidus  
Common name Green alga  
Locality (Date of collection) Lake Nakatsuna, Nagano, Japan (1991-05-15)  
Latitude / Longitude 36.5978599855 / 137.843706252 
Habitat (Isolation source) Freshwater (Lake water)  
History < Takamura, Noriko  
Isolator (Date of isolation) Takamura, Noriko (1991-07-**)  
Identified by Nozaki, Hisayoshi  
State of strain Cryopreservation; Unialgal; Clonal; Non-axenic[2017 Mar]  
Culture condition
(Preculture condition)
Medium:  CB  
Temperature:  15 C
Light intensity:  19 µmol photons/m2/sec, L/D cycle:  10L:14D
Duration:  4 M  
Gene information 18S rRNA ( AB488567 ) , 18S-ITS1-5.8S-ITS2-28S ( LC853070 ) , rbcL ( LC853337 ) , atpB ( LC853352 ) , psaB ( LC853367 ) , psbC ( LC853382 )  
Cell size (min - max)  
Organization Unicellular 
Characteristics Authentic株 (Nozaki et al. 2025) ; Type specimen (NIES-50028, Holotype)  
Other strain no. Other strain no. : NT 2  
Remarks Cryopreserved 
Movie  
Related strain information
(Large number of orders and same genus or species)
Related strain information
(Whose relevance due to simultaneous purchases and other information is inferred by AI)
Strain number Scientific name Common name Habitat (Isolation source) Characteristics
NIES-3742
Mychonastes pushpae Green alga   Freshwater (Lake water)  
NIES-3743
Mychonastes kasaiae Green alga   Freshwater (Lake water) Authentic株 (Nozaki et al. 2025) ; Type specimen (NIES-50030, Holotype)  
Related strain information
(Used in same reference)
Strain number Scientific name Common name Habitat (Isolation source) Characteristics
NIES-4546
Mychonastes homosphaera Green alga   Freshwater (Reservoir water)  
NIES-4547
Mychonastes pushpae Green alga   Freshwater (Reservoir water)  
NIES-2900
Mychonastes ariiae Green alga   Freshwater (River water) Authentic株 (Nozaki et al. 2025) ; Type specimen (NIES-50029, Holotype)  
NIES-4569
Mychonastes hindakii Green alga   Freshwater (Reservoir water)  
Reference
Nozaki, H., Matsuzaki, R., Mori, F., Sato, M., Yamaguchi, H., Higashiyama, T., Kawachi, M., Tanabe, Y. 2025 Description of four new species of Mychonastes (Chlorophyceae) from Japanese freshwater habitats based on molecular and morphological data. Phycol. Res., 73, 35-48.
Keywords: freshwater green alga; molecular phylogeny; morphology; Mychonastes; Mychonastes ariiae sp. nov.; Mychonastes gigas sp. nov.; Mychonastes kasaiae sp. nov.; Mychonastes takamurae sp. nov.; species; taxonomy
Strain(s): 233423362339234023412897290037423743454645474569 
DOI: 10.1111/pre.12573

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