Strain Data

Strain number		NIES-2589
Phylum		Bigyra
Class		Bicosoecophyceae
Scientific name		Symbiomonas scintillans L.Guillou & M.J.Chrétiennot-Dinet
Synonym
Former name
Common name
Locality (Date of collection)		Equatorial Pacific Ocean (Depth -5m), France (1994-11-26)
Latitude / Longitude
Habitat (Isolation source)		Marine (Seawater)
History		< RCC (2009);
Isolator (Date of isolation)		Guillou, L. (Re-isolation) < Vaulot, Daniel (1994-11-26)
Identified by		Guillou, L.
State of strain		Cryopreservation; Unialgal; Clonal; Non-axenic
Culture condition (Preculture condition)		Medium: f/2 + Rice Temperature: 20 C Light intensity: 15-20 µmol photons/m²/sec, L/D cycle: 10L:14D Duration: 1 M
Gene information		18S rRNA ( AF185052 )
Cell size (min - max)		- 2 μm
Organization
Characteristics		Heterotrophic ; Phagotrophic ; Planktonic
Other strain no.		Other collection strain no. : RCC24; CCMP1950 Other strain no. : OLI120SDA
Remarks		Cryopreserved
Movie

Related strain information (Used in same reference)
Strain number	Scientific name	Common name	Habitat (Isolation source)	Characteristics
NIES-2566	Akinorimonas japonica		Marine (Sand)	Prey for Telonema subtilis NIES-2631 ; Genome decoded strain (Repetti et al. 2022) ; Authentic strain (Barcytė et al. 2025)
NIES-623	Pavlova gyrans		Marine (Seawater)
NIES-1441	Percolomonas sp.		Marine (Seawater)	Heterotrophic ; Phagotrophic
NIES-1320	Oolithotus fragilis	Coccolithophore	Marine (Seawater)	Planktonic
NIES-3356	Hemistasia phaeocystidicola		Marine (Seawater)	Heterotrophic ; Parasitic on diatoms

Reference
Guillou, L., Chrétiennot-Dinet, M. J., Boulben, S., Moon-van der Staay, S. Y., Vaulot, D. 1999 Symbiomonas scintillans gen. et sp. nov. and Picophagus flagellatus gen. et sp. nov. (Heterokonta): two new heterotrophic flagellates of picoplanktonic size. Protist, 150, 383-398. Strain(s): 2586, 2589 DOI: 10.1016/S1434-4610(99)70040-4 Fuller, N. J., Campbell, C., Allen, D. J., Pitt, F. D., Le Gall, F., Vaulot, D., Scanlan, D. J. 2006 Analysis of photosynthetic picoeukaryote diversity at open ocean sites in the Arabian Sea using a PCR biased towards marine algal plastids. Aquat. Microb. Ecol., 43, 79-93. Keywords: Photosynthetic picoeukaryotes; Plastid 16S rRNA; Arabian Sea; PCR Strain(s): 2586, 2588, 2589, 2672, 2673, 2687, 2690, 2693 DOI: 10.3354/ame043079 Guillou, L., Moon-van der Staay, S. Y., Claustre, H., Partensky, F., Vaulot, D. 1999 Diversity and abundance of Bolidophyceae (Heterokonta) in two oceanic regions. Appl. Environ. Microbiol., 65, 4528-4536. Strain(s): 2586, 2589, 2682, 2691 PubMed: 10508085 DOI: 10.1128/AEM.65.10.4528-4536.1999 Guillou, L., Jacquet, S., Chrétiennot-Dinet, M. J., Vaulot, D. 2001 Grazing impact of two small heterotrophic flagellates on Prochlorococcus and Synechococcus. Aquat. Microb. Ecol., 26, 201-207. Strain(s): 2586, 2589 DOI: 10.3354/ame026201 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): 8, 254, 274, 286, 324, 331, 353, 381, 494, 623, 624, 997, 1012, 1013, 1015, 1320, 1330, 1333, 1334, 1335, 1372, 1377, 1388, 1390, 1396, 1397, 1408, 1438, 1439, 1441, 1964, 2008, 2142, 2144, 2149, 2300, 2305, 2325, 2433, 2498, 2502, 2566, 2584, 2586, 2589, 2590, 2677, 2878, 3356, 3374, 3775, 4477, 4478 PubMed: 30809012 DOI: 10.1038/s41396-019-0377-0 Cho, A., Lax, G., Livingston, S. J., Masukagami, Y., Naumova, M., Millar, O., Husnik, F., Keeling, P. J. 2024 Genomic analyses of Symbiomonas scintillans show no evidence for endosymbiotic bacteria but does reveal the presence of giant viruses. PLoS Genet., 20, e101121 (article ID). Strain(s): 2589 PubMed: 38557755 DOI: 10.1371/journal.pgen.1011218

Reference

Guillou, L., Chrétiennot-Dinet, M. J., Boulben, S., Moon-van der Staay, S. Y., Vaulot, D. 1999 Symbiomonas scintillans gen. et sp. nov. and Picophagus flagellatus gen. et sp. nov. (Heterokonta): two new heterotrophic flagellates of picoplanktonic size. Protist, 150, 383-398.
Strain(s): 2586, 2589
DOI: 10.1016/S1434-4610(99)70040-4

Fuller, N. J., Campbell, C., Allen, D. J., Pitt, F. D., Le Gall, F., Vaulot, D., Scanlan, D. J. 2006 Analysis of photosynthetic picoeukaryote diversity at open ocean sites in the Arabian Sea using a PCR biased towards marine algal plastids. Aquat. Microb. Ecol., 43, 79-93.
Keywords: Photosynthetic picoeukaryotes; Plastid 16S rRNA; Arabian Sea; PCR
Strain(s): 2586, 2588, 2589, 2672, 2673, 2687, 2690, 2693
DOI: 10.3354/ame043079

Guillou, L., Moon-van der Staay, S. Y., Claustre, H., Partensky, F., Vaulot, D. 1999 Diversity and abundance of Bolidophyceae (Heterokonta) in two oceanic regions. Appl. Environ. Microbiol., 65, 4528-4536.
Strain(s): 2586, 2589, 2682, 2691
PubMed: 10508085
DOI: 10.1128/AEM.65.10.4528-4536.1999

Guillou, L., Jacquet, S., Chrétiennot-Dinet, M. J., Vaulot, D. 2001 Grazing impact of two small heterotrophic flagellates on Prochlorococcus and Synechococcus. Aquat. Microb. Ecol., 26, 201-207.
Strain(s): 2586, 2589
DOI: 10.3354/ame026201

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): 8, 254, 274, 286, 324, 331, 353, 381, 494, 623, 624, 997, 1012, 1013, 1015, 1320, 1330, 1333, 1334, 1335, 1372, 1377, 1388, 1390, 1396, 1397, 1408, 1438, 1439, 1441, 1964, 2008, 2142, 2144, 2149, 2300, 2305, 2325, 2433, 2498, 2502, 2566, 2584, 2586, 2589, 2590, 2677, 2878, 3356, 3374, 3775, 4477, 4478
PubMed: 30809012
DOI: 10.1038/s41396-019-0377-0

Cho, A., Lax, G., Livingston, S. J., Masukagami, Y., Naumova, M., Millar, O., Husnik, F., Keeling, P. J. 2024 Genomic analyses of Symbiomonas scintillans show no evidence for endosymbiotic bacteria but does reveal the presence of giant viruses. PLoS Genet., 20, e101121 (article ID).
Strain(s): 2589
PubMed: 38557755
DOI: 10.1371/journal.pgen.1011218

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