Strain number NIES-731  
Phylum Chlorophyta  
Class Chlorophyceae  
Scientific name Volvox zeikusii Nozaki  
Synonym  
Former name Formerly identified as Volvox dissipatrix, re-identified by Nozaki et al. 2019[2019 May]  
Common name Green alga ; Volvocine alga  
Locality (Date of collection)  
Latitude / Longitude  
Habitat (Isolation source) Freshwater  
History < Nozaki, Hisayoshi < UTEX  
Isolator (Date of isolation) Starr, R. C.  
Identified by Nozaki, Hisayoshi  
State of strain Subculture; Unialgal; Clonal; Non-axenic  
Culture condition
(Preculture condition)
Medium:  MG  
Temperature:  23 C
Light intensity:  21-29 µmol photons/m2/sec, L/D cycle:  10L:14D
Duration:  21 D  
Gene information atpB ( AB014000 ) , rbcL ( D63447 ) , psaA ( AB044183 ) , psaB ( AB044426 ) , psbC ( AB044476 )  
Cell size (min - max)  
Organization Colonial; Flagellate 
Characteristics Phototaxis ; Authentic strain (Nozaki et al. 2019)  
Other strain no. Other collection strain no. : UTEX 2184
 
Remarks Fragile species to transportation stresses; Read and agree "How to order 4.1" 
Movie  
Reference
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, ,
Keywords: Haploid species; inbreeding; life-history evolution; mating systems; reproductive isolation; sex
Strain(s): 45646054154473173287289189213621363256933823383378037824068447944804481448244834484 
PubMed: 34250602
DOI: 10.1111/evo.14306

Nozaki, H., Takusagawa, M., Matsuzaki, R., Misumi, O., Mahakham, W., Kawachi, M. 2019 Morphology, reproduction and taxonomy of Volvox dissipatrix (Chlorophyceae) from Thailand, with a description of Volvox zeikusii sp. nov. Phycologia, 58, 192-199.
Keywords: Heterothallic species; Homothallic species; Molecular phylogeny; Sexuality; Somatic cell; Transmission electron microscopy
Strain(s): 7314128 
DOI: 10.1080/00318884.2018.1540238

Nakazawa, A., Nishii, I. 2012 Amidic and acetonic cryoprotectants improve cryopreservation of volvocine green algae. CryoLetters, 33, 201-212.
Keywords: cryopreservation; dimethylformamide; hydroxyacetone; Volvocaceae; Volvox; Chlamydomonas
Strain(s): 4184685455645747177217287297307311331136117102236 
PubMed: 22825787

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., 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

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