Strain number NIES-3891  
Phylum Rhodophyta  
Class Cyanidiophyceae  
Scientific name Cyanidium caldarium (Tilden) Geitler  
Former name  
Common name Red alga  
Locality (Date of collection) Sainokawara, Kusatsu Hot Spring, Kusatsu, Gunma, Japan (1975-**-**)  
Latitude / Longitude 36.624873 / 138.588452 
Habitat (Isolation source) Hot spring (Hot Spring water)  
History < Nagashima, Hideyuki  
Isolator (Date of isolation) Nagashima, Hideyuki (1975-**-**)  
Identified by Nagashima, Hideyuki  
State of strain Subculture; Unialgal; Clonal; Axenic[2018 Sept]  
Culture condition
(Preculture condition)
Medium:  M-Allen  
Temperature:  37 C
Light intensity:  9-10 µmol photons/m2/sec, L/D cycle:  10L:14D
Duration:  4 M  
Gene information  
Cell size (min - max) 3 - 5 μm  
Organization Unicellular 
Characteristics Benthic ; Thermophilic ; Acidophilic  
Other strain no. Other strain no. : KS-1  
Remarks Not available; Axenic 
Nagashima, H. 1994 Natural products of the Cyanidiophyceae. In Evolutionary Pathways and Enigmatic Algae: Cyanidium caldarium (Rhodophyta) and Related Cells, Ed. by Seckbach, J., Kluwer Academic Publishers, Netherlands, pp. 201-214.
Strain(s): 3891 
DOI: 10.1007/978-94-011-0882-9_16

Hamana, K., Matsuzaki, S., Niitsu, M., Samejima, K., Nagashima, H. 1990 Polyamines of unicellular thermoacidophilic red alga Cyanidium caldarium. Phytochemistry, 29, 377-380.
Keywords: Cyanidium caldarium; Rhodophyta; red algae; polyamines; chemotaxonomy
Strain(s): 25021373891 
DOI: 10.1016/0031-9422(90)85082-Q

Nagashima, H., Fukuda, I. 1983 Floridosides in unicellular hot spring algae. Phytochemistry, 22, 1949-1951.
Keywords: Cyanidium caldarium; Chroococcidiopsis sp.; hot spring algae; chemotaxonomy; low MW carbohydrates; floridoside; iso-floridoside; autotroph; heterotroph
Strain(s): 25021373891 
DOI: 10.1016/0031-9422(83)80020-X

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