Strain Data

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Strain number		NIES-377
Phylum		Heterokontophyta
Class		Bacillariophyceae
Scientific name		Chaetoceros socialis H.S.Lauder
Synonym
Former name
Common name		Centric diatom
Locality (Date of collection)		Shitaru Habor, Minamiizu, Shizuoka, Japan (1985-05-22)
Latitude / Longitude
Habitat (Isolation source)		Marine (Seawater)
History		< Sawaguchi, Tomohiro
Isolator (Date of isolation)		Sawaguchi, Tomohiro (1985-05-30)
Identified by		Sawaguchi, Tomohiro
State of strain		Subculture; Unialgal; Clonal; Non-axenic
Culture condition (Preculture condition)		Medium: f/2 Temperature: 15 C Light intensity: 8 µmol photons/m²/sec, L/D cycle: 10L:14D Duration: 2 M
Gene information
Cell size (min - max)		- 5 μm
Organization		Unicellular
Characteristics
Other strain no.		Other strain no. : STHB-4
Remarks
Movie

Related strain information (Large number of orders and same genus or species)
Strain number	Scientific name	Common name	Habitat (Isolation source)	Characteristics
NIES-586	Chaetoceros didymus	Centric diatom	Marine (Seawater)	Red tide ; Test strain (Kohira, M.., et al. 2016)
NIES-3715	Chaetoceros tenuissimus	Centric diatom	Marine (Seawater)	Red tide ; Genome decoded strain (Hongo et al. 2021) ; The virus which infects with this diatom strain has been reported (Shirai et al. 2008).
NIES-3710	Chaetoceros debilis	Centric diatom	Marine (Seawater)	Red tide ; Resting spore-forming ; The virus which infects with this diatom strain has been reported (Tomaru, Y. et al. 2008).
NIES-3711	Chaetoceros lorenzianus	Centric diatom	Marine (Seawater)	Red tide ; The virus which infects with this diatom strain has been reported (Tomaru et al. 2011).
NIES-3713	Chaetoceros socialis	Centric diatom	Marine (Seawater)	Red tide ; The virus which infects with this diatom strain has been reported (Tomaru et al. 2009).

Related strain information (Used in same reference)
Strain number	Scientific name	Common name	Habitat (Isolation source)	Characteristics
NIES-2376	Helicosphaera wallichii	Coccolithophore	Marine (Seawater)	Holococcolith stage[2014 Aug]
NIES-293	Heterosigma akashiwo		Marine (Seawater)	Red tide ; Genome decoded strain (Cattolico, R. A. et al. 2008)
NIES-714	Chroomonas coerulea		Freshwater (Bog water)
NIES-548	Acinetospora crinita	Brown alga	Marine
NIES-353	Gephyrocapsa oceanica	Coccolithophore	Marine (Seawater)	Planktonic

Reference
Iwamoto, K. & Shiraiwa, Y. 2012 Characterization of intracellular iodine accumulation by iodine-tolerant microalgae. Procedia Environ. Sco., 15, 34-42. Keywords: growth stimulation; growth inhibition; haptophyte; iodine; iodine accumulation Strain(s): 377, 837, 838 DOI: 10.1016/j.proenv.2012.05.007 Mitani, E., Nakayama, F., Matsuwaki, I., Ichi, I., Kawabata, A., Kawachi, M., Kato, M. 2017 Fatty acid composition profiles of 235 strains of three microalgal divisions within the NIES Microbial Culture Collection. Microb. Resour. Syst., 33, 19-29. Keywords: Cryptophyta; docosahexaenoic acid; eicosapentaenoic acid; fatty acid; Haptophyta; Heterokontophyta; microalgae Strain(s): 1, 8, 9, 14, 15, 17, 71, 115, 223, 225, 233, 234, 265, 274, 275, 276, 277, 278, 279, 280, 281, 282, 284, 293, 323, 324, 330, 333, 345, 347, 348, 350, 353, 372, 377, 388, 391, 395, 407, 408, 409, 413, 414, 417, 461, 462, 466, 487, 534, 548, 553, 556, 557, 558, 559, 560, 562, 587, 588, 589, 590, 603, 605, 622, 623, 695, 696, 697, 698, 699, 700, 701, 702, 703, 704, 705, 706, 707, 708, 710, 711, 712, 713, 714, 715, 716, 741, 765, 766, 805, 837, 997, 1001, 1002, 1003, 1004, 1005, 1006, 1007, 1009, 1011, 1016, 1017, 1044, 1045, 1046, 1047, 1302, 1303, 1324, 1330, 1339, 1340, 1349, 1353, 1370, 1375, 1376, 1379, 1383, 1384, 1385, 1386, 1387, 1391, 1392, 1393, 1395, 1398, 1399, 1400, 1401, 1699, 1700, 1730, 1813, 1815, 1816, 1826, 1827, 1831, 1862, 1863, 1864, 1865, 1874, 1963, 1964, 1965, 1974, 1975, 1976, 2142, 2143, 2144, 2145, 2147, 2148, 2300, 2331, 2332, 2351, 2363, 2364, 2365, 2369, 2370, 2376, 2506, 2533, 2534, 2535, 2536, 2537, 2590, 2633, 2668, 2689, 2690, 2691, 2693, 2694, 2696, 2697, 2707, 2716, 2717, 2718, 2720, 2722, 2723, 2725, 2726, 2729, 2730, 2731, 2732, 2770, 2771, 2772, 2773, 2839, 2840, 2841, 2842, 2843, 2844, 2859, 2872, 2878, 2890, 2899, 3391, 3689, 3690, 3691 DOI: 10.60369/microresys.33.1_19 Nomaki, H., Rastelli, E., ogawa, N. O., Matsui, Y., Tsuchiya, M., Manea, E., Corinaldesi, C., Hirai, M., Ohkouchi, N., Danovaro, R., Nunoura, T., Amaro, T. 2021 In situ experimental evidences for responses of abyssal benthic biota to shifts in phytodetritus compositions linked to global climate change. Glob. Change Biol., 27, 6139-6155. Keywords: abyssal plain; benthic ecosystems; climate change; ecosystem functioning; isotope tracer; primary producers Strain(s): 377, 986 PubMed: 34523189 DOI: 10.1111/gcb.15882 Zhou, G-J., Lai, R. W. S., Yang, Y., Kim, M-S., Lee, Y. H., Lee, J-S., Leung, K. M. Y. 2026 Retinoic acids can hinder molting and development of the marine copepod Tigriopus japonicus in the coastal environment. J. Hazard. Mater., 513, 142521 (article ID). Keywords: Retinoids; Algae; Chronic toxicity; Copepod; Molting; Ecdysteroid Strain(s): 1, 5, 12, 223, 237, 323, 377, 534, 586, 601, 675, 682, 1383, 1396, 1834, 2327, 2590 PubMed: 42208294 DOI: 10.1016/j.jhazmat.2026.142521

Reference

Iwamoto, K. & Shiraiwa, Y. 2012 Characterization of intracellular iodine accumulation by iodine-tolerant microalgae. Procedia Environ. Sco., 15, 34-42.
Keywords: growth stimulation; growth inhibition; haptophyte; iodine; iodine accumulation
Strain(s): 377, 837, 838
DOI: 10.1016/j.proenv.2012.05.007

Mitani, E., Nakayama, F., Matsuwaki, I., Ichi, I., Kawabata, A., Kawachi, M., Kato, M. 2017 Fatty acid composition profiles of 235 strains of three microalgal divisions within the NIES Microbial Culture Collection. Microb. Resour. Syst., 33, 19-29.
Keywords: Cryptophyta; docosahexaenoic acid; eicosapentaenoic acid; fatty acid; Haptophyta; Heterokontophyta; microalgae
Strain(s): 1, 8, 9, 14, 15, 17, 71, 115, 223, 225, 233, 234, 265, 274, 275, 276, 277, 278, 279, 280, 281, 282, 284, 293, 323, 324, 330, 333, 345, 347, 348, 350, 353, 372, 377, 388, 391, 395, 407, 408, 409, 413, 414, 417, 461, 462, 466, 487, 534, 548, 553, 556, 557, 558, 559, 560, 562, 587, 588, 589, 590, 603, 605, 622, 623, 695, 696, 697, 698, 699, 700, 701, 702, 703, 704, 705, 706, 707, 708, 710, 711, 712, 713, 714, 715, 716, 741, 765, 766, 805, 837, 997, 1001, 1002, 1003, 1004, 1005, 1006, 1007, 1009, 1011, 1016, 1017, 1044, 1045, 1046, 1047, 1302, 1303, 1324, 1330, 1339, 1340, 1349, 1353, 1370, 1375, 1376, 1379, 1383, 1384, 1385, 1386, 1387, 1391, 1392, 1393, 1395, 1398, 1399, 1400, 1401, 1699, 1700, 1730, 1813, 1815, 1816, 1826, 1827, 1831, 1862, 1863, 1864, 1865, 1874, 1963, 1964, 1965, 1974, 1975, 1976, 2142, 2143, 2144, 2145, 2147, 2148, 2300, 2331, 2332, 2351, 2363, 2364, 2365, 2369, 2370, 2376, 2506, 2533, 2534, 2535, 2536, 2537, 2590, 2633, 2668, 2689, 2690, 2691, 2693, 2694, 2696, 2697, 2707, 2716, 2717, 2718, 2720, 2722, 2723, 2725, 2726, 2729, 2730, 2731, 2732, 2770, 2771, 2772, 2773, 2839, 2840, 2841, 2842, 2843, 2844, 2859, 2872, 2878, 2890, 2899, 3391, 3689, 3690, 3691
DOI: 10.60369/microresys.33.1_19

Nomaki, H., Rastelli, E., ogawa, N. O., Matsui, Y., Tsuchiya, M., Manea, E., Corinaldesi, C., Hirai, M., Ohkouchi, N., Danovaro, R., Nunoura, T., Amaro, T. 2021 In situ experimental evidences for responses of abyssal benthic biota to shifts in phytodetritus compositions linked to global climate change. Glob. Change Biol., 27, 6139-6155.
Keywords: abyssal plain; benthic ecosystems; climate change; ecosystem functioning; isotope tracer; primary producers
Strain(s): 377, 986
PubMed: 34523189
DOI: 10.1111/gcb.15882

Zhou, G-J., Lai, R. W. S., Yang, Y., Kim, M-S., Lee, Y. H., Lee, J-S., Leung, K. M. Y. 2026 Retinoic acids can hinder molting and development of the marine copepod Tigriopus japonicus in the coastal environment. J. Hazard. Mater., 513, 142521 (article ID).
Keywords: Retinoids; Algae; Chronic toxicity; Copepod; Molting; Ecdysteroid
Strain(s): 1, 5, 12, 223, 237, 323, 377, 534, 586, 601, 675, 682, 1383, 1396, 1834, 2327, 2590
PubMed: 42208294
DOI: 10.1016/j.jhazmat.2026.142521

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