Strain number NIES-544  
Phylum Chlorophyta  
Class Chlorophyceae  
Scientific name Volvox tertius Art.Meyer  
Synonym Merillosphaera tertia (Art.Meyer) W.R.Shaw 1922; Heterotypic synonyms; Volvox bernardii Playfair null; Volvox mononae G.M.Smith 1920; Merrillosphaera migulae W.R.Shaw 1922  
Former name  
Common name Green alga ; Volvocine alga  
Locality (Date of collection) Kisofukushima, Nagano, Japan (1986-08-27)  
Latitude / Longitude  
Habitat (Isolation source) Freshwater (Paddy water)  
History < Ogasawara, Yoshikazu  
Isolator (Date of isolation) Ogasawara, Yoshikazu (1986-08-27)  
Identified by Ogasawara, Yoshikazu  
State of strain Subculture; Unialgal; Clonal; Axenic[2018 Feb]  
Culture condition
(Preculture condition)
Medium:  MG  
Temperature:  22 C
Light intensity:  27-31 µmol photons/m2/sec, L/D cycle:  10L:14D
Duration:  1 M  
Gene information 18S rRNA ( LC086364 ) , ITS1-5.8S-ITS2 ( AB592344 ) , atpB ( AB086173 ) , psaA ( AB086175 AB086176 ) , psaB ( AB086177 ) , psbC ( AB086178 ) , rbcL ( AB086174 )  
Cell size (min - max)  
Organization Colonial; Flagellate 
Characteristics Phototaxis ; Homothallic  
Other strain no.  
Remarks Fragile species to transportation stresses; Read and agree "How to order 4.1"; Axenic 
Movie  
Reference
Yamagishi, S., Yamamoto, K., Takahashi, K., Kawai-Toyooka, H., Suzuki, S., Matsuzaki, R., Yamaguchi, H., Kawachi, M., Higashiyama, T., Nozaki, H. 2024 Evolutionary analysis of MID homologs during the transition from homothallic species to heterothallic species in Volvox sect. Volvox (Chlorophyceae). Phycol. Res., 72, 46-55.
Keywords: male gamete; mating system; minus dominance gene (MID); molecular evolution; sex; sperm packet; volvocine green algae
Strain(s): 28945646054154454556957257458265265365473285185285787289189213621363170817101859245725692735273627403382338337803782378638743984398639884021402543364432453545364537 
DOI: 10.1111/pre.12538

Takahashi, K., Kawai-Toyooka, H., Ootsuki, R., Hamaji, T., Tsuchikane, Y., Sekimoto, H., Higashiyama, T., Nozaki, H. 2021 Three sex phenotypes in a haploid algal species give insights into the evolutionary transition to a self-compatible mating system. Evolution, 75, 2984-2993.
Keywords: Haploid species; inbreeding; life-history evolution; mating systems; reproductive isolation; sex
Strain(s): 456460541544731732872891892136213632569338233833780378240664068447944804481448244834484 
PubMed: 34250602
DOI: 10.1111/evo.14306

Lindsey, C. R., Rosenzweing, F., Herron, M. D. 2021 Phylotranscriptomics points to multiple independent origins of multicellularity and cellular differentiation in the volvocine algae. BMC Biol., 19, 182 (article ID).
Keywords: Phylotranscriptomics; Volvocine algae; Green algae; Phylogeny; Multicellularity
Strain(s): 41845645846054154354456456656857258265365471771972072272572873073273673785185686386786887888289089389513621363256928633383412641274128 
DOI: 10.1101/2021.03.16.435725

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

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

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 
PubMed: 30125231
DOI: 10.1086/698301

Nakada, T. 2018 Methods for supporting cover slip during light microscopy of unfixed microalgae, using clothing fibers or adhesive tapes. Jpn. J. Phycol. (Sôrui), 66, 157-163 (in Japanese with English summary).
Keywords: adhesive tape; chemical fiber; light microscopy; microalgae; slide preparation; unfixed cells
Strain(s): 5441849 

Hanschen, E. R., Davison, D. R., Ferris, P. J., Michod, R. E. 2018 On the rediscovery of Volvox perglobator (Volvocales, Chlorophyceae) and the evolution of outcrossing from self-fertilization. Evol. Ecol. Res., 19, 299-318.
Keywords: homothallism; phylogenetics; reversion; self-fertilization; sexual reproduction; volvocine green algae
Strain(s): 28942145645846047452254154354454556456656856957157257457858265373275185185687287687787888088210381122114011481156115713621708171117131859245725692738338233883780378239864145425842594260 

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 

Nozaki, H., Ott, F. D., Coleman, A. W. 2006 Morphology, molecular phylogeny and taxonomy of two new species of Pleodorina (Volvocaceae, Chlorophyceae). J. Phycol., 42, 1072-1080.
Keywords: colonial Volvocales; molecular phylogeny; morphology; Pleodorina starrii sp. nov.; Pleodorina thompsonii sp. nov.; taxonomy
Strain(s): 4564605415445776667207217227247257287307317327347357368638658668678688698728918921362136341264127 
DOI: 10.1111/j.1529-8817.2006.00255.x

Nozaki, H. 2003 Origin and evolution of the genera Pleodorina and Volvox (Volvocales). Biologia, Bratislava, 58, 425-431.
Keywords: colonial Volvocales; evolution; molecular phylogeny; Pleodorina; sexual reproduction; Volvox
Strain(s): 544 

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): 192122232425262728293031323334353637383940414445465051525354555658596061626364656667686970737475767778798081878990919293949596979899100101102103104105106107108109110111112119120122123125127128129130131132133134135137138139144147151152153154155156157158159160162163164165166167168170171172173174175176177178179180181182183185186187188189191192193194197198199200201202203204205206207208209210211212213214215216217224226227228229230231232241242243244245246248257259261263266267268287288289290294295297298299300301302303305306308309310312313329334337338339340341342349351359360361362375378379380382384385390394396397398415416418419421422423424425426427428429430431432433434436437438439440446447448449450451452453454455456457458459460464468469474478479480481503504505506507509510512514515522523524527528529530531532536537538539540541542543544545546564565566567568569570571572573574575576577578579580581582583584585592593594595596597598604610628630631632633634635636637638639640641642643644645646647648649650651652653654655656657658659660661662663664665666667672685686687688689690691692693694717718719720721722723724725726727728729 

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