Strain number NIES-571  
Phylum Chlorophyta  
Class Chlorophyceae  
Scientific name Tetrabaena socialis (Dujardin) Nozaki & Ito var. socialis  
Synonym Cryptomonas socialis Dujardin; Gonium sociale (Dujardin) Warming 1876; Tetrabaena dujardinii E.Fromentel 1874; Tetragonium lacustre West & G.S.West 1896  
Former name  
Common name Green alga  
Locality (Date of collection) Kohoku-ku, Yokohama Kanagawa Japan (1982-08-24)  
Latitude / Longitude 35.528007 / 139.622842 
Habitat (Isolation source) Freshwater (Pond sediment)  
History < Nozaki, Hisayoshi  
Isolator (Date of isolation) Nozaki, Hisayoshi (1982-10-28)  
Identified by Nozaki, Hisayoshi  
State of strain Subculture; Unialgal; Clonal; Non-axenic[2018 Feb]  
Culture condition
(Preculture condition)
Medium:  AF-6  
Temperature:  20 C
Light intensity:  7-10 µmol photons/m2/sec, L/D cycle:  10L:14D
Duration:  3 M  
Gene information Whole-genome ( PRJNA393411 ) , 18S rRNA ( AB278626 LC086361 ) , atpB ( AB014014 ) , psaA ( AB044415 ) , psaB ( AB044466 ) , rbcL ( D63443 ) , psbC ( AB044525 )  
Cell size (min - max) 7 - 12 μm  
Organization  
Characteristics Phototaxis ; Homothallic ; Isogamy ; Genome decoded strain (Featherston et al. 2017)  
Other strain no. Other strain no. : 21028-4  
Remarks  
Movie  
Reference
Nakada, T., Tsuchida, Y., Tomita, M. 2019 Improved taxon sampling and multigene phylogeny of unicellular chlamydomonads closely related to the colonial volvocalean lineage Tetrabaenaceae-Goniaceae-Volvocaceae (Volvocales, Chlorophyceae). Mol. Phylogenet. Evol., 130 1-8.
Keywords: Alga; Chlamydomonas; Colony evolution; Multigene phylogeny; Vitreochlamys; Zoosporangium
Strain(s): 4184374564604745415445455645665695715776546667217257287357378678798808828838871362185824622567338333884241424242434244424542464247424842494250425142524253425442554256 
PubMed: 30266459
DOI: 10.1016/j.ympev.2018.09.013

Widyaningrum, D., Iida, D., Tanabe, Y., Hayashi, Y., Kurniasih, S. D., Ohama, T. 2019 Acutely induced cell mortality in the unicellular green alga Chlamydomonas reinhardtii (Chlorophyceae) following exposure to acrylic resin nanoparticles. J. Phycol., 55, 118-133.
Keywords: abnormal swimming behavior; cell mortality; cell wall damage; Chlamydomonas rein-hardtii; poly(isobutyl-cyanoacrylate) nanoparticles; ROS
Strain(s): 3514436241842143243845654557173273785810221048184821502169220122022208220922122280235224622578 
DOI: 10.1111/jpy.12798

Hanschen, E. R., Herron, M. D., Wiens, J. J., Nozaki, H., Michod, R. E. 2018 Repeated evolution and reversibilityof self-fertilization in the volvocinegreen algae. Evolution, 72, 386-398.
Keywords: Haploid; phylogenetics; self-fertilization; sex; sexual reproduction; volvocine green algae
Strain(s): 28941845645846054154354454556456656856957157257457858265373285185685787287587687787888088288389189210381362171117132457256927383382338837803782 
PubMed: 29134623
DOI: 10.1111/evo.13394

Featherston, J., Arakaki, Y., Hanschen, E. R., Ferris, PJ., Michod, R. E., Olson, B. J. S. C., Nozaki, H., Durand P. M. 2018 The 4-celled Tetrabaena socialis nuclear genome reveals the essential components for genetic control of cell number at the origin of multicellularity in the volvocine lineage. Mol. Biol. Evol., 35, 855-870.
Keywords: Volvocines; multicellularity; Tetrabaena socialis; evolutionary genomics
Strain(s): 571 
PubMed: 29294063
DOI: 10.1093/molbev/msx332

Hanschen, E. R., Herron, M. D., Wiens, J. J., Nozaki, H., Michod, R. E. 2018 Multicellularity drives the evolution of sexual traits. Am. Nat., 192, E93-E10.
Keywords: sex; volvocine green algae; multicellularity; ancestral state; reconstruction; anisogamy; sexual dimorphism
Strain(s): 28941842145645846052254154354454556456656856957157257457858265373275185185685787287587687787888088288389189210381362171117132457256927383382338837803782 
DOI: 10.1086/698301

Arakaki, Y., Fujiwara, T., Kawai-Toyooka, H., Kawafune, K., Featherston, J., Durand, P. M., Miyagishima, S., Nozaki, H. 2017 Evolution of cytokinesis-related protein localization during the emergence of multicellularity in volvocine green algae. BMC Evol. Biol., 17, 243 (article ID).
Keywords: Multicellularity; Volvocine algae; Tetrabaena socialis; DRP1
Strain(s): 5714121 
PubMed: 29212441
DOI: 10.1186/s12862-017-1091-z

Munakata, H., Nakada, T., Nakahigashi, K., Nozaki, H., Tomita, M. 2016 Phylogenetic position and molecular chronology of a colonial green flagellate, Stephanosphaera pluvialis (Volvocales, Chlorophyceae), among unicellular algae. J. Eucaryot. Microbiol., 63, 340-348.
Keywords: Balticola; coloniality; divergence time; evolution; molecular phylogeny
Strain(s): 12314442142843243944656756957165686188796810482293256441244125 
PubMed: 26595722
DOI: 10.1111/jeu.12283

Featherston, J., Arakaki, Y., Nozaki, H., Durand, P. M., Smith, D. R. 2016 Inflated organelle genomes and a circularmapping mtDNA probably existed at the origin of coloniality in volvocine green algae. Eur. J. Phycol., 51, 369-377.
Keywords: Genome expansion; green microalga; mitochondrial DNA; plastid DNA; Tetrabaena socialis; Volvocine algae
Strain(s): 571 
DOI: 10.1080/09670262.2016.1198830

Nakada, T., Ito, T., Tomita, M. 2016 18S ribosomal RNA gene phylogeny of a colonial volvocalean lineage (Tetrabanaceae-Goniaceae-Volvocaceae, Volvocales, Chlorophyceae) and its close relatives. J. Jpn. Bot., 91, 345-354.
Keywords: 18S rRNA; colonial; green algae; molecular phylogeny; unicellular; Volvocales
Strain(s): 4184564604745415445455645665716546667217257287357378678778798808818828831362224222462266256733884126 

Arakaki, Y., Kawai-Toyooka, H., Hamamura, Y., Higashiyama, T., Noga, A., Hirono, M., Olson, B. J. S. C., Nozaki, H. 2013 The simplest integrated multicellular organism unveiled. PLoS One, 8, e81641 (article ID).
Strain(s): 571 
PubMed: 24349103
DOI: 10.1371/journal.pone.0081641

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): 19212223242526272829303132333435363738394041444546505152535455565758596061626364656667686970737475767778798081878990919293949596979899100101102103104105106107108109110111112119120122123124125127128129130131132133134135137138139144147148150151152153154155156157158159160162163164165166167168169170171172173174175176177178179180181182183185186187188189191192193194195197198199200201202203204205206207208209210211212213214215216217224226227228229230231232241242243244245246248257259261262263266267268271287288289290294295297298299300301302303305306308309310311312313329334336337338339340341342349351359360361362375378379380382384385390394396397398415416418419421422423424425426427428429430431432433434436437438439440446447448449450451452453454455456457458459460464468469474478479480481503504505506507509510512514515522523524527528529530531532536537538539540541542543544545546564565566567568569570571572573574575576577578579580581582583584585592593594595596597598604610628630631632633634635636637638639640641642643644645646647648649650651652653654655656657658659660661662663664665666667672685686687688689690691692693694717718719720721722723724725726727728729 

Nozaki, H., Onishi, K., Morita, E. 2002 Differences in pyrenoid morphology are correlated with differences in the rbcL genes of members of the Chloromonas lineage (Volvocales, Chlorophyceae). J. Mol. Evol., 55, 414-430.
Keywords: ATP synthase β-subunit (atpB) gene; Chloromonas; gene evolution; large subunit of Rubisco (rbcL) gene; morphological evolution; P700 chlorophyll a-apoprotein A2 (psaB) gene; pyrenoid; Volvocales
Strain(s): 96123144213418421425428432439446447456474522564566567569571574582653732851858861875882883968 
PubMed: 12355262
DOI: 10.1007/s00239-002-2338-9

Nozaki, H., Misawa, K., Kajita, T., Kato, M., Nohara, S., Watanabe, M. M. 2000 Origin and evolution of the colonial Volvocales (Chlorophyceae) as inferred from multiple, chloroplast gene sequences. Mol. Phylogenet. Evol., 17, 256-268.
Strain(s): 418456460474541545564566569571572574577582653654666720721722724725727728730731732734735736737851854872882884886887888889890893895896898 
PubMed: 11083939
DOI: 10.1006/mpev.2000.0831

Nozaki, H., Ohta, N., Takano, H., Watanabe, M. M. 1999 Reexamination of phylogenetic relationships within the colonial Volvocales (Chlorophyta): an analysis of atpB and rbcL gene sequences. J. Phycol., 35, 104-112.
Keywords: atpB gene; Chlorophyta; Gonium; molecular phylogeny; rbcL gene; Volvocaceae; volvocine series; Volvox
Strain(s): 418456460541564566568569571572574577582653654666720721722724725727728730731732734735736737851852858861882884895 
DOI: 10.1046/j.1529-8817.1999.3510104.x

Nozaki, H., Ito, M., Sano, R., Uchida, H., Watanabe, M. M., Kuroiwa, T. 1995 Phylogenetic relationships within the colonial Volvocales (Chlorophyta) inferred from rbcL gene sequence data. J. Phycol., 31, 970-979.
Keywords: Chlorophyta; Goniaceae; large subunit of ribulose-1,5-bisphosphate carboxylase / oxygenase (rbcL) gene; molecular phylogeny; Tetrabaenaceae; Volvocaceae
Strain(s): 418421456460541564566569571572574577653725731732734735737895 
DOI: 10.1111/j.0022-3646.1995.00970.x

Nozaki, H., Ito, M. 1994 Phylogenetic relationships within the colonial Volvocales (Chlorophyta) inferred from cladistic analysis based on morphological data. J. Phycol., 30, 353-365.
Keywords: Chlorophyta; cladistic analysis; Goniaceae; morphological data; phylogeny; sexual reproduction; Tetrabaena; Tetrabaenaceae fam. nov.; Tetrabaena socialis comb. nov.; Volvocaceae
Strain(s): 456460541565571654 
DOI: 10.1111/j.0022-3646.1994.00353.x

Nozaki, H., Ohtani, S. 1992 Gonium sociale (Volvocales, Chlorophyta) from Antarctica. Jpn. J. Phycol., 40, 267-271.
Keywords: Antarctica; Chlorophyta; culture; Gonium sociale; morphology; Volvocales
Strain(s): 571691 

Nozaki, H. 1986 Sexual reproduction in Gonium sociale (Chlorophyta, Volvocales). Phycologia, 25, 29-35.
Strain(s): 571 
DOI: 10.2216/i0031-8884-25-1-29.1

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