Strain number NIES-732  
Phylum Chlorophyta  
Class Chlorophyceae  
Scientific name Volvox carteri F.Stein f. kawasakiensis Nozaki  
Synonym  
Former name  
Common name Green alga ; Volvocine alga  
Locality (Date of collection) Kawasaki, Kanagawa, Japan (1984-01-**)  
Latitude / Longitude 35.544547 / 139.655969 
Habitat (Isolation source) Freshwater (Paddy soil)  
History < Nozaki, Hisayoshi  
Isolator (Date of isolation) Nozaki, Hisayoshi (1984-02-25)  
Identified by Nozaki, Hisayoshi  
State of strain Subculture; Unialgal; Clonal; Axenic[2018 Feb]  
Culture condition
(Preculture condition)
Medium:  VT  
Temperature:  23 C
Light intensity:  21-29 µmol photons/m2/sec, L/D cycle:  10L:14D
Duration:  42 D  
Gene information 18S-ITS1-5.8S-ITS2-28S ( LC004706 ) , DNA ( LC004717 ) , atpB ( AB013999 ) , rbcL ( D63446 ) , psaA ( AB044185 ) , psaB ( AB044425 ) , psbC ( AB044475 ) , mat3 ( GU735445 ) , PRP4 ( GU735456 ) , PRX1 ( GU735462 ) , hypothetical protein ( GU735471 )  
Cell size (min - max) 70 - 170 μm  
Organization Colonial; Flagellate 
Characteristics Phototaxis ; Authentic strain ; Heterothallic ; Dioecious ; Oogamy ; Female ; Crosses with NIES-733  
Other strain no. Other strain no. : KK-3  
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. 2023 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

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 
PubMed: 30304548
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

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

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 

Kawafune K., Hongoh, Y., Hamaji, T ., Sakamoto, T., Kurata, T., Hirooka, S., Miyagishima, S., Nozaki, H. 2015 Two different rickettsial bacteria invading Volvox carteri. PLoS One, 10, e0116192 (article ID).
Strain(s): 397398732733866 
PubMed: 25671568
DOI: 10.1371/journal.pone.0116192

Ferris, P., Olson, B. J., De Hoff, P. L., Douglass, S., Casero, D., Prochnik, S., Geng, S., Rai, R., Grimwood, J., Schmutz, J., Nishii, I., Hamaji, T., Nozaki, H., Pellegrini, M., Umen,J. G. 2010 Evolution of an expanded sex-determining locus in Volvox. Science, 328, 351-354.
Strain(s): 732733 
PubMed: 20395508
DOI: 10.1126/science.1186222

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., 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. 1994 Unequal flagellar formation in Volvox (Volvocaceae, Chlorophyta). Phycologia, 33, 58-61.
Strain(s): 541732 
DOI: 10.2216/i0031-8884-33-1-58.1

Nozaki, H. 1988 Morphology, sexual reproduction and taxonomy of Volvox carteri f. kawasakiensis f. nov. (Chlorophyta) from Japan. Phycologia, 27, 209-220.
Strain(s): 580581732733 
DOI: 10.2216/i0031-8884-27-2-209.1

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