Strain number NIES-4477  
Phylum Euglenozoa  
Class Euglenophyceae  
Scientific name Rapaza viridis A.Yamaguchi, N.Yubuki & B.S.Leander  
Synonym  
Former name  
Common name  
Locality (Date of collection) Pachena Beach, Bamfield, British Columbia, Canada (2010-06-18)  
Latitude / Longitude 48.792527 /  
Habitat (Isolation source) Marine (Seawater)  
History < Yubuki, Naoji  
Isolator (Date of isolation) Yubuki, Naoji (2010-06-30)  
Identified by Yubuki, Naoji  
State of strain Subculture; Mixed (NIES-4478 as food); Unialgal; Clonal; Axenic  
Culture condition
(Preculture condition)
Medium:  IMK  
Temperature:  20 C
Light intensity:  3 µmol photons/m2/sec, L/D cycle:  10L:14D
Duration:  14 D  
Gene information Whole-genome ( PRJDB35577 ) , Transcriptome ( PRJDB35573 ) , 18S rRNA ( AB679269 )  
Cell size (min - max) 5 - 20 μm  
Organization Unicellular; Flagellate 
Characteristics Mixotrophic ; Phagotrophic ; Authentic strain (Yamaguchi et al. 2012) ; Genome decoded strain (Kashiyama et al. 2026) ; Kleptoplasty  
Other strain no. Other strain no. : PtEug; PRA-361 (ATCC)  
Remarks Axenic 
Movie  
Related strain information
(Used in same reference)
Strain number Scientific name Common name Habitat (Isolation source) Characteristics
NIES-2433
Norrisiella sphaerica   Marine (Seaweed)  
NIES-1390
Tsukubamonas globosa   Freshwater (Lake water) Heterotrophic ; Planktonic ; Authentic strain (Yabuki et al. 2011)  
NIES-1335
Leucocryptos marina   Marine (Seawater) Heterotrophic ; Phagotrophic ; Genome decoded strain (Nishimura et al. 2020)  
NIES-1429
Tetraselmis sp.   Marine (Seawater) Test strain (Kohira, M.., et al. 2016)  
NIES-1438
Bicosoeca sp.   Marine (Seawater) Heterotrophic ; Phagotrophic ; Benthic  
Reference
Kashiyama, Y. et al. 2019 Taming chlorophylls by early eukaryotes underpinned algal interactions and the diversification of the eukaryotes on the oxygenated Earth. ISME J., 13, 1899-1910.
Strain(s): 825427428632433135338149462362499710121013101513201330133313341335137213771388139013961397140814381439144119642008214221442149230023052325243324982502256625842586258925902677287833563374377544774478 
PubMed: 30809012
DOI: 10.1038/s41396-019-0377-0

Kashiyama, Y., Maruyama, M., Nakazawa, M., Kagamoto, T., Imanishi, H., Yamamoto, S., Inoue, M., Onuma, R., Tanifuji, G., Ashida, H., Inada, N., Awai, K., Miyagishima, S. 2026 Transient molecular chimerism for exploiting xenogeneic organelles. Nat. Commun., 17, 2371 (article ID).
Strain(s): 44774478 
PubMed: 41876518
DOI: 10.1038/s41467-026-70516-x

Yanagihara, Y., Kashiyama, Y., Nakazawa, M. 2026 Species-specific prey preference and behavioral responses to Tetraselmis chloroplast donors in the euglenoid Rapaza viridis. J. Eukaryot. Microbiol., 73, e70077 (article ID).
Keywords: behavioral filtering; kleptoplasty; prey selectivity; Rapaza viridis; Tetraselmis
Strain(s): 142914301432143425722855285644774478 
PubMed: 41846251
DOI: 10.1111/jeu.70077

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