Strain number NIES-4127  
Phylum Chlorophyta  
Class Chlorophyceae  
Scientific name Volvox powersii (W.R.Shaw) Printz  
Synonym Besseyosphaera powersii W.R.Shaw  
Former name  
Common name Green alga ; Volvocine alga  
Locality (Date of collection)  
Latitude / Longitude  
Habitat (Isolation source) Freshwater  
History < Nozaki, Hisayoshi < Starr, R. C.  
Isolator (Date of isolation)  
Identified by  
State of strain Subculture / Cryopreservation; Unialgal; Clonal; Axenic[2022 Dec]  
Culture condition
(Preculture condition)
Medium:  AF-6  
Temperature:  24 C
Light intensity:  13-16 µmol photons/m2/sec, L/D cycle:  10L:14D
Duration:  1 M  
Gene information  
Cell size (min - max)  
Organization Colonial; Flagellate 
Characteristics Phototaxis  
Other strain no. Other collection strain no. : UTEX 1863
Other strain no. : 71-51  
Remarks Fragile species to transportation stresses; Read and agree "How to order 4.1"; Axenic 
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-694
Volvox aureus Green alga ; Volvocine alga   Freshwater (Stream water) Other water bloom ; Phototaxis ; Homothallic ; Dioecious ; Oogamy  
NIES-3780
Volvox africanus Green alga ; Volvocine alga   Freshwater (Lake water) Phototaxis ; Homothallic ; Monoecious with male ; Oogamy ; F1 strain (NIES-3784) ; Genome decoded strain (Yamamoto et al. 2021)  
NIES-4029
Volvox ferrisii Green alga ; Volvocine alga   Freshwater (Pond water) Phototaxis ; Homothallic ; Monoecious ; Oogamy ; Resting zygote forming  
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-418
Astrephomene gubernaculifera Green alga   Freshwater (Paddy soil) Phototaxis ; Heterothallic ; Mating type (−) ; Crosses with NIES-419  
NIES-731
Volvox zeikusii Green alga ; Volvocine alga   Freshwater Phototaxis ; Authentic strain (Nozaki et al. 2019)  
NIES-724
Eudorina unicocca Green alga   Freshwater Phototaxis ; Heterothallic  
NIES-728
Platydorina caudata Green alga   Freshwater (Pond water) Phototaxis  
NIES-654
Gonium viridistellatum Green alga   Freshwater (Paddy soil) Phototaxis ; Heterothallic ; Isogamous ; Mating type (+)  
Reference
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

Vande Berg, W.J., Starr, R.C. 1971 Structure, reproduction and differentiation in Volvox gigas and Volvox powersii. In Archiv für Protistenkunde, 113, pp. 195-219.
Strain(s): 4127 

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

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

Nozaki, H., Mori, F., Tanaka, Y., Matsuzaki, R., Yamaguchi, H., Kawachi, M., Tanabe, Y. 2025 Establishment of cryopreserved culture strains of Volvox (Chlorophyceae). Phycologia, 64, 389-393.
Keywords: Cryopreservation; GreenAlgae; Volvox carteri; Volvoxgigas; Volvox powersii
Strain(s): 8658674127 
DOI: 10.1080/00318884.2025.2547453

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