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:  22 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  
Related strain information
(Large number of orders and same genus or species)
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-865
Volvox carteri Green alga ; Volvocine alga   Phototaxis ; Heterothallic ; Dioecious ; Oogamy ; Female  
NIES-867
Volvox gigas Green alga ; Volvocine alga   Phototaxis ; Heterothallic ; Dioecious ; Oogamy ; Female  
Related strain information
(Used in same reference)
Strain number Scientific name Common name Habitat (Isolation source) Characteristics
NIES-4128
Volvox dissipatrix Green alga ; Volvocine alga   Freshwater Phototaxis ; Monoecious  
NIES-654
Gonium viridistellatum Green alga   Freshwater (Paddy soil) Phototaxis ; Heterothallic ; Isogamous ; Mating type (+)  
NIES-4479
Pleodorina starrii Green alga   Freshwater (Reservoir water) Phototaxis ; Bisexual strain ; Genome decoded strain (Takahashi et al. 2003)  
NIES-737
Gonium multicoccum Green alga   Phototaxis ; F1 clone of UTEX 2579  
NIES-736
Pleodorina indica Green alga   (Soil) Phototaxis  
Reference
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., 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., 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

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., 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): 73141284270 
DOI: 10.1080/00318884.2018.1540238

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

Ueki, N. & Wakabayashi, K. 2025 Multicellularity and increasing Reynolds number impact on the evolutionary shift in flash-induced ciliary response in Volvocales. BMC Ecol. Evol., 24, 119 (article ID).
Strain(s): 54454556457157457671772873073173486786888289117112569378037854029412742704662 
PubMed: 39277710
DOI: 10.1186/s12862-024-02307-1

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