Strain Data

Strain number		NIES-54
Phylum		Streptophyta
Class		Zygnematophyceae
Scientific name		Closterium peracerosum-strigosum-littorale complex
Synonym
Former name
Common name		Desmid
Locality (Date of collection)		Katsuta, Ibaraki, Japan (1974-08-**)
Latitude / Longitude
Habitat (Isolation source)		Freshwater (Paddy water)
History		< Watanabe, Makoto M.
Isolator (Date of isolation)		Watanabe, Makoto M. (1974-08-**)
Identified by		Watanabe, Makoto M.
State of strain		Subculture; Unialgal; Clonal; Axenic[2017 Nov]
Culture condition (Preculture condition)		Medium: C Temperature: 15 (20) C Light intensity: 7-14 (10-17) µmol photons/m²/sec, L/D cycle: 10L:14D Duration: 3 M (21 D)
Gene information		18S rRNA ( AB363683 )
Cell size (min - max)
Organization		Unicellular
Characteristics		Heterothallic: Mating type (−) ; Mating group II A
Other strain no.		Other strain no. : IB-6-9
Remarks		Axenic
Movie

Related strain information (Large number of orders and same genus or species)
Strain number	Scientific name	Common name	Habitat (Isolation source)	Characteristics
NIES-64	Closterium peracerosum-strigosum-littorale complex	Desmid	Freshwater (Lake water)	Heterothallic: Mating type (−) ; Mating group II B
NIES-65	Closterium peracerosum-strigosum-littorale complex	Desmid	Freshwater (Lake water)	Heterothallic: Mating type (+) ; Mating group II B
NIES-52	Closterium peracerosum-strigosum-littorale complex	Desmid	Freshwater (Paddy water)	Heterothallic: Mating type (−) ; Mating group II A
NIES-67	Closterium peracerosum-strigosum-littorale complex	Desmid	Freshwater (Pool soil)	Heterothallic: Mating type (+) ; Mating group I B ; Genome decoded strain (Sekimoto et al. 2023)
NIES-68	Closterium peracerosum-strigosum-littorale complex	Desmid	Freshwater (Pool soil)	Heterothallic: Mating type (−) ; Mating group I B ; Genome decoded strain (Sekimoto et al. 2023)

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-258	Closterium aciculare	Desmid	Freshwater (Lake water)	Other water bloom ; Heterothallic ; Mating type (+) ; Crossing with NIES-259 and 260
NIES-228	Closterium ehrenbergii	Desmid	Freshwater (Paddy soil)	Heterothallic ; Mating type (+) ; Mating group B ; Crossing with NIES-229
NIES-229	Closterium ehrenbergii	Desmid	Freshwater (Paddy soil)	Heterothallic ; Mating type (−) ; Mating group B ; Crossing with NIES-228

Related strain information (Used in same reference)
Strain number	Scientific name	Common name	Habitat (Isolation source)	Characteristics
NIES-4582	Closterium peracerosum-strigosum-littorale complex	Desmid	Freshwater (River water)	Heterothallic: Isogamous ; Mating type (−) ; Mating group II B (Tsuchikane et al. 2012)
NIES-156	Urnella terrestris	Green alga	Terrestrial (Soil)
NIES-46	Arthrospira platensis	Blue-green alga ; Cyanobacteria	Salt water	Cyanobacterial water bloom (aoko) ; Autotrophic ; Hydrogen evolution
NIES-451	Closterium praelongum	Desmid	Freshwater (Pond sediment)	Homothallic
NIES-512	Pseudanabaena foetida	Blue-green alga ; Cyanobacteria	Freshwater (Pond water)	Offensive odor ; Test strain (Nagai, T., 2016) ; 2-MIB production (Iwase et al. 2010) ; Type strain (Tuji & Niiyama 2016)

Reference
Mori, F., Erata, M., Watanabe, M. M. 2002 Cryopreservation of cyanobacteria and green algae in the NIES-Collection. Microbiol. Cult. Coll., 18, 45-55. Keywords: cryopreservation; cyanobacteria; green algae; FDA staining method; NIES-Collection Strain(s): 19, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 44, 45, 46, 50, 51, 52, 53, 54, 55, 56, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 73, 74, 75, 76, 77, 78, 79, 80, 81, 87, 89, 90, 91, 92, 93, 94, 95, 96, 97, 98, 99, 100, 101, 102, 103, 104, 105, 106, 107, 108, 109, 110, 111, 112, 119, 120, 122, 123, 125, 127, 128, 129, 130, 131, 132, 133, 134, 135, 137, 138, 139, 144, 147, 151, 152, 153, 154, 155, 156, 157, 158, 159, 160, 162, 163, 164, 165, 166, 167, 168, 170, 171, 172, 173, 174, 175, 176, 177, 178, 179, 180, 181, 182, 183, 185, 186, 187, 188, 189, 191, 192, 193, 194, 197, 198, 199, 200, 201, 202, 203, 204, 205, 206, 207, 208, 209, 210, 211, 212, 213, 214, 215, 216, 217, 224, 226, 227, 228, 229, 230, 231, 232, 241, 242, 243, 244, 245, 246, 248, 257, 259, 261, 263, 266, 267, 268, 287, 288, 289, 290, 294, 295, 297, 298, 299, 300, 301, 302, 303, 305, 306, 308, 309, 310, 312, 313, 329, 334, 337, 338, 339, 340, 341, 342, 349, 351, 359, 360, 361, 362, 375, 378, 379, 380, 382, 384, 385, 390, 394, 396, 397, 398, 415, 416, 418, 419, 421, 422, 423, 424, 425, 426, 427, 428, 429, 430, 431, 432, 433, 434, 436, 437, 438, 439, 440, 446, 447, 448, 449, 450, 451, 452, 453, 454, 455, 456, 457, 458, 459, 460, 464, 468, 469, 474, 478, 479, 480, 481, 503, 504, 505, 506, 507, 509, 510, 512, 514, 515, 522, 523, 524, 527, 528, 529, 530, 531, 532, 536, 537, 538, 539, 540, 541, 542, 543, 544, 545, 546, 564, 565, 566, 567, 568, 569, 570, 571, 572, 573, 574, 575, 576, 577, 578, 579, 580, 581, 582, 583, 584, 585, 592, 593, 594, 595, 596, 597, 598, 604, 610, 628, 630, 631, 632, 633, 634, 635, 636, 637, 638, 639, 640, 641, 642, 643, 644, 645, 646, 647, 648, 649, 650, 651, 652, 653, 654, 655, 656, 657, 658, 659, 660, 661, 662, 663, 664, 665, 666, 667, 672, 685, 686, 687, 688, 689, 690, 691, 692, 693, 694, 717, 718, 719, 720, 721, 722, 723, 724, 725, 726, 727, 728, 729 Watanabe, M. M. 1977 Biosystematics in Closterium of sexual unicellular green algae and Calothrix and Spirulina of asexual filamentous blue-green algae, with special reference to the analyses of natural populations. Thesis D. Sci., Hokkaido University, 114 pp., 28 tables, 54 figs. Strain(s): 39, 45, 46, 51, 52, 53, 54, 55, 56, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 261, 266, 268 Watanabe, M. M. & Ichimura, T. 1978 Biosystematic studies of the Closterium peracerosum-strigosum-littorale complex. II. Reproductive isolation and morphological variation among several populations from the Northern Kanto area in Japan. Bot. Mag. Tokyo, 91, 1-10. Strain(s): 51, 52, 53, 54, 55, 56, 58, 59, 60, 61, 62, 63, 64, 65, 69, 70, 261 Watanabe, M. M. & Ichimura, T. 1978 Biosystematic studies of the Closterium peracerosum-strigosum-littorale complex. III. Degrees of sexual isolation among the three population groups from the Northern Kanto area. Bot. Mag. Tokyo, 91, 11-24. Strain(s): 51, 52, 53, 54, 55, 56, 58, 59, 60, 61, 62, 63, 64, 65, 69, 70, 261 DOI: 10.1007/BF02489099 Tsuchikane, Y., Ito, M., Sekimoto, H. 2008 Reproductive isolation by sex pheromones in the Closterium peracerosum-strigosum-littorale complex (Zygnematales, Charophyceae). J. Phycol., 44, 1197-1203. Keywords: Closterium; conjugation; pheromone; reproductive isolation; sexual reproduction Strain(s): 53, 54, 58, 59, 64, 65, 67, 68, 69, 70, 229, 261 PubMed: 27041716 DOI: 10.1111/j.1529-8817.2008.00577.x Tsuchikane, Y., Kobayashi, H., Kato, M., Watanabe, J., Wu, J. T., Sekimoto, H. 2018 Identification of a new mating group and reproductive isolation in the Closterium peracerosum–strigosum–littorale complex. J. Plant Res., 131, 735–746. Keywords: Alga; Closterium; Mating group; Reproductive isolation; Sex pheromone; Speciation Strain(s): 53, 54, 55, 64, 65, 66, 67, 68, 261, 4319, 4320 PubMed: 29948484 DOI: 10.1007/s10265-018-1043-8 Kawaguchi, Y. W., Tsuchikane, Y., Tanaka, K., Taji, T., Suzuki, Y., Toyoda, A., Ito, M., Watano, Y., Nishiyama, T., Sekimoto, H., Tsuchimatsu, T. 2023 Extensive copy number variation explains genome size variation in the unicellular Zygnematophycean alga, Closterium peracerosum–strigosum–littorale complex. Genome Biol. Evol., 15, evad115 (article ID). Keywords: gene duplication; dosage compensation; copy number variation; green algae Strain(s): 53, 54, 58, 59, 62, 63, 64, 65, 68, 261, 2666, 4319, 4320, 4321, 4548, 4550, 4551, 4552, 4581, 4582, 4583, 4584 PubMed: 37348049 DOI: 10.1093/gbe/evad115 Tsuchikane, Y., Watanabe, M., Kawaguchi, Y. W., Uehara, K., Nishiyama, T., Sekimoto, H., Tsuchimatsu, T. 2024 Diversity of genome size and chromosome number in homothallic and heterothallic strains of the Closterium peracerosum–strigosum–littorale complex (Desmidiales, Zygnematophyceae, Streptophyta). J. Phycol., 60, 654-667. Keywords: Closterium; flow cytometry; genome size; heterothallism; homothallism; sexual reproduction Strain(s): 52, 53, 54, 58, 59, 60, 61, 62, 63, 64, 65, 67, 68, 261, 2666, 4319, 4320, 4321, 4322, 4548, 4549, 4550, 4551, 4552, 4581, 4582, 4583, 4584 PubMed: 38678594 DOI: 10.1111/jpy.13457

Reference

Mori, F., Erata, M., Watanabe, M. M. 2002 Cryopreservation of cyanobacteria and green algae in the NIES-Collection. Microbiol. Cult. Coll., 18, 45-55.
Keywords: cryopreservation; cyanobacteria; green algae; FDA staining method; NIES-Collection
Strain(s): 19, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 44, 45, 46, 50, 51, 52, 53, 54, 55, 56, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 73, 74, 75, 76, 77, 78, 79, 80, 81, 87, 89, 90, 91, 92, 93, 94, 95, 96, 97, 98, 99, 100, 101, 102, 103, 104, 105, 106, 107, 108, 109, 110, 111, 112, 119, 120, 122, 123, 125, 127, 128, 129, 130, 131, 132, 133, 134, 135, 137, 138, 139, 144, 147, 151, 152, 153, 154, 155, 156, 157, 158, 159, 160, 162, 163, 164, 165, 166, 167, 168, 170, 171, 172, 173, 174, 175, 176, 177, 178, 179, 180, 181, 182, 183, 185, 186, 187, 188, 189, 191, 192, 193, 194, 197, 198, 199, 200, 201, 202, 203, 204, 205, 206, 207, 208, 209, 210, 211, 212, 213, 214, 215, 216, 217, 224, 226, 227, 228, 229, 230, 231, 232, 241, 242, 243, 244, 245, 246, 248, 257, 259, 261, 263, 266, 267, 268, 287, 288, 289, 290, 294, 295, 297, 298, 299, 300, 301, 302, 303, 305, 306, 308, 309, 310, 312, 313, 329, 334, 337, 338, 339, 340, 341, 342, 349, 351, 359, 360, 361, 362, 375, 378, 379, 380, 382, 384, 385, 390, 394, 396, 397, 398, 415, 416, 418, 419, 421, 422, 423, 424, 425, 426, 427, 428, 429, 430, 431, 432, 433, 434, 436, 437, 438, 439, 440, 446, 447, 448, 449, 450, 451, 452, 453, 454, 455, 456, 457, 458, 459, 460, 464, 468, 469, 474, 478, 479, 480, 481, 503, 504, 505, 506, 507, 509, 510, 512, 514, 515, 522, 523, 524, 527, 528, 529, 530, 531, 532, 536, 537, 538, 539, 540, 541, 542, 543, 544, 545, 546, 564, 565, 566, 567, 568, 569, 570, 571, 572, 573, 574, 575, 576, 577, 578, 579, 580, 581, 582, 583, 584, 585, 592, 593, 594, 595, 596, 597, 598, 604, 610, 628, 630, 631, 632, 633, 634, 635, 636, 637, 638, 639, 640, 641, 642, 643, 644, 645, 646, 647, 648, 649, 650, 651, 652, 653, 654, 655, 656, 657, 658, 659, 660, 661, 662, 663, 664, 665, 666, 667, 672, 685, 686, 687, 688, 689, 690, 691, 692, 693, 694, 717, 718, 719, 720, 721, 722, 723, 724, 725, 726, 727, 728, 729

Watanabe, M. M. 1977 Biosystematics in Closterium of sexual unicellular green algae and Calothrix and Spirulina of asexual filamentous blue-green algae, with special reference to the analyses of natural populations. Thesis D. Sci., Hokkaido University, 114 pp., 28 tables, 54 figs.
Strain(s): 39, 45, 46, 51, 52, 53, 54, 55, 56, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 261, 266, 268

Watanabe, M. M. & Ichimura, T. 1978 Biosystematic studies of the Closterium peracerosum-strigosum-littorale complex. II. Reproductive isolation and morphological variation among several populations from the Northern Kanto area in Japan. Bot. Mag. Tokyo, 91, 1-10.
Strain(s): 51, 52, 53, 54, 55, 56, 58, 59, 60, 61, 62, 63, 64, 65, 69, 70, 261

Watanabe, M. M. & Ichimura, T. 1978 Biosystematic studies of the Closterium peracerosum-strigosum-littorale complex. III. Degrees of sexual isolation among the three population groups from the Northern Kanto area. Bot. Mag. Tokyo, 91, 11-24.
Strain(s): 51, 52, 53, 54, 55, 56, 58, 59, 60, 61, 62, 63, 64, 65, 69, 70, 261
DOI: 10.1007/BF02489099

Tsuchikane, Y., Ito, M., Sekimoto, H. 2008 Reproductive isolation by sex pheromones in the Closterium peracerosum-strigosum-littorale complex (Zygnematales, Charophyceae). J. Phycol., 44, 1197-1203.
Keywords: Closterium; conjugation; pheromone; reproductive isolation; sexual reproduction
Strain(s): 53, 54, 58, 59, 64, 65, 67, 68, 69, 70, 229, 261
PubMed: 27041716
DOI: 10.1111/j.1529-8817.2008.00577.x

Tsuchikane, Y., Kobayashi, H., Kato, M., Watanabe, J., Wu, J. T., Sekimoto, H. 2018 Identification of a new mating group and reproductive isolation in the Closterium peracerosum–strigosum–littorale complex. J. Plant Res., 131, 735–746.
Keywords: Alga; Closterium; Mating group; Reproductive isolation; Sex pheromone; Speciation
Strain(s): 53, 54, 55, 64, 65, 66, 67, 68, 261, 4319, 4320
PubMed: 29948484
DOI: 10.1007/s10265-018-1043-8

Kawaguchi, Y. W., Tsuchikane, Y., Tanaka, K., Taji, T., Suzuki, Y., Toyoda, A., Ito, M., Watano, Y., Nishiyama, T., Sekimoto, H., Tsuchimatsu, T. 2023 Extensive copy number variation explains genome size variation in the unicellular Zygnematophycean alga, Closterium peracerosum–strigosum–littorale complex. Genome Biol. Evol., 15, evad115 (article ID).
Keywords: gene duplication; dosage compensation; copy number variation; green algae
Strain(s): 53, 54, 58, 59, 62, 63, 64, 65, 68, 261, 2666, 4319, 4320, 4321, 4548, 4550, 4551, 4552, 4581, 4582, 4583, 4584
PubMed: 37348049
DOI: 10.1093/gbe/evad115

Tsuchikane, Y., Watanabe, M., Kawaguchi, Y. W., Uehara, K., Nishiyama, T., Sekimoto, H., Tsuchimatsu, T. 2024 Diversity of genome size and chromosome number in homothallic and heterothallic strains of the Closterium peracerosum–strigosum–littorale complex (Desmidiales, Zygnematophyceae, Streptophyta). J. Phycol., 60, 654-667.
Keywords: Closterium; flow cytometry; genome size; heterothallism; homothallism; sexual reproduction
Strain(s): 52, 53, 54, 58, 59, 60, 61, 62, 63, 64, 65, 67, 68, 261, 2666, 4319, 4320, 4321, 4322, 4548, 4549, 4550, 4551, 4552, 4581, 4582, 4583, 4584
PubMed: 38678594
DOI: 10.1111/jpy.13457

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