Strain number NIES-3753  
Phylum Chlorophyta  
Class Chlorophyceae  
Scientific name Chloromonas krienitzii Matsuzaki & Nozaki  
Synonym  
Former name  
Common name Green alga ; Snow alga  
Locality (Date of collection) Yamagata Prefectural Nature Conservation Park, Mt. Gassan, Nishikawa, Yamagata, Japan (2013-06-30)  
Latitude / Longitude 38.513889 / 139.990833 
Habitat (Isolation source) Terrestrial (Snow)  
History < Matsuzaki, Ryo  
Isolator (Date of isolation) Matsuzaki, Ryo (2014-01-24)  
Identified by Matsuzaki, Ryo; Nozaki, Hisayoshi  
State of strain Subculture; Unialgal; Clonal; Non-axenic  
Culture condition
(Preculture condition)
Medium:  AF-6  
Temperature:  5 C
Light intensity:  36 µmol photons/m2/sec, L/D cycle:  10L:14D
Duration:  3 M  
Gene information 18S rRNA ( LC012712 ) , 26S rRNA ( LC060474 ) , ITS2 ( LC012756 ) , atpB ( LC012720 ) , psaB ( LC012728 ) , rbcL ( LC012740 )  
Cell size (min - max) 5 - 10 μm  
Organization Unicellular; Flagellate 
Characteristics Cryophilic ; Authentic strain (Matsuzaki et al. 2015)  
Other strain no. Other strain no. : GsCl-54  
Remarks Fragile species to temperature changes 
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-4452
Chloromonas fukushimae Green alga ; Snow alga   Terrestrial (Snow) Cryophilic ; Heterothallic ; Isogamous ; Mating type (+) ; Life cycle (Matsuzaki et al. 2020)  
NIES-158
Chloromonas augustae Green alga   Freshwater (Paddy soil) Authentic strain  
Related strain information
(Used in same reference)
Strain number Scientific name Common name Habitat (Isolation source) Characteristics
NIES-2499
Chlamydomonas eustigma Green alga   Freshwater (Microfilm) Acidophilic ; Phototaxis ; Arsenic tolerance (Hirooka et al. 2017) ; Genome decoded strain (Hirooka et al. 2017)  
NIES-2243
Chloromonas typhlos Green alga   (Soil) Phototaxis  
NIES-144
Haematococcus lacustris Green alga   Freshwater (Lake water) Astaxanthin production ; Genome decoded strain (Morimoto et al. 2017) ; Homothallic ; Isogamous  
NIES-424
Carteria cerasiformis Green alga   Freshwater (Lake water)  
NIES-425
Carteria cerasiformis Green alga   Freshwater (Pond water) Authentic strain (Nozaki et al. 1994) ; Genome decoded strain (Lemieux et al. 2015)  
Reference
Matsuzaki, R., Kawai-Toyooka, H., Hara, Y., Nozaki, H. 2015 Revisiting the taxonomic significance of aplanozygote morphologies of two “cosmopolitan” snow species of the genus Chloromonas (Volvocales, Chlorophyceae). Phycologia, 54, 491–502.
Keywords: Chloromonas brevispina; Chloromonas krienitzii sp. nov.; Chloromonas nivalis; Molecular phylogeny; Morphology; Snow algae; Ultrastructure
Strain(s): 23792380338937523753 
DOI: 10.2216/15-33.1

Matsuzaki, R., Nozaki, H., Kawachi, M. 2018 Taxonomic revision of Chloromonas nivalis (Volvocales, Chlorophyceae) strains, with the new description of two snow-inhabiting Chloromonas species. PLoS One, 13, e0193603 (article ID).
Strain(s): 4642379238025632862338937073753 
PubMed: 29570718
DOI: 10.1371/journal.pone.0193603

Matsuzaki, R., Nozaki, H., Takeuchi, N., Hara, Y., Kawachi, M. 2019 Taxonomic re-examination of “Chloromonas nivalis (Volvocales, Chlorophyceae) zygotes” from Japan and description of C. muramotoi sp. nov. PLoS One, 14, e0210986 (article ID).
Strain(s): 46423792380256328623389370737534284 
PubMed: 30677063
DOI: 10.1371/journal.pone.0210986

Matsuzaki, R., Suzuki, S., Yamaguchi, H., Kawachi, M., Kanesaki, Y., Yoshikawa, H., Mori, T., Nozaki, H. 2021 The Rubisco small subunits in the green algal genus Chloromonas provide insights into evolutionary loss of the eukaryotic carbon-concentrating organelle, the pyrenoid. BMC Ecol. Evol., 21, 11 (article ID).
Keywords: Chloromonas; Evolution; Green algae; Hydrophobicity of RBCS helices; Pyrenoid; Pyrenoid loss; Rubisco small subunit (RBCS)
Strain(s): 14442442522072212221522422243249937534284 
PubMed: 33514317
DOI: 10.1186/s12862-020-01733-1

Procházková, L., Matsuzaki, R., Řezanka, T., Nedbalová, L., Remias, D. 2023 The snow alga Chloromonas kaweckae sp. nov. (Volvocales, Chlorophyta) causes green surface blooms in the High Tatras (Slovakia) and tolerates high irradiance. J. Phycol., 59, 236-248.
Keywords: biodiversity; cryoflora; environmental sample; fatty acids; fluorometry; vegetative stages
Strain(s): 2379375342844476 
PubMed: 36461636
DOI: 10.1111/jpy.13307

Barcytė, D. & Eliáš, M. 2025 Characterization of Lercomonas mokradensis gen. et sp. nov. enriches the phylogenetic and taxonomic diversity of Chloromonadinia (Chlorophyceae). Phycologia, 64, 71-83.
Strain(s): 4474642215224323792563286233893707375342844476 
DOI: 10.1080/00318884.2025.2471620

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