Strain number NIES-3786  
Phylum Chlorophyta  
Class Chlorophyceae  
Scientific name Volvox reticuliferus Nozaki  
Synonym  
Former name  
Common name Green alga ; Volvocine alga  
Locality (Date of collection) (----)  
Latitude / Longitude  
Habitat (Isolation source) Freshwater  
History < Nozaki, Hisayoshi  
Isolator (Date of isolation) Nozaki, Hisayoshi (2014-12-15)  
Identified by Nozaki, Hisayoshi  
State of strain Subculture; Unialgal; Clonal; Axenic[2022 Apr]  
Culture condition
(Preculture condition)
Medium:  AF-6/2AF-6/3  
Temperature:  20 C
Light intensity:  12-23 µmol photons/m2/sec, L/D cycle:  10L:14D
Duration:  1 M  
Gene information Whole-genome ( BNCQ00000000 ) , MID ( LC274879 LC274880 ) , sex determining region ( LC586644 )  
Cell size (min - max)  
Organization Colonial; Flagellate 
Characteristics Phototaxis ; F1 progeny strain of NIES-3781, 3782 and 3783 ; Heterothallic ; Dioecious ; Oogamy ; Male ; Genome decoded strain (Yamamoto et al. 2021)  
Other strain no. Other strain no. : VO123-F1-7  
Remarks Axenic; Fragile species to transportation stresses; Read and agree "How to order 4.1" 
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

Yamamoto, K., Matsuzaki, R., Mahakham, W., Heman, W., Sekimoto, H., Kawachi, M., Minakuchi, Y., Toyoda, A., Nozaki, H. 2023 Expanded male sex-determining region conserved during the evolution of homothallism in the green alga Volvox. iScience, 26, 106893 (article ID).
Strain(s): 3780378537864468 
PubMed: 37378338
DOI: 10.1016/j.isci.2023.106893

Yamamoto, K., Hamaji, T., Kawai-Toyooka, H., Matsuzaki, R., Takahashi, F., Nishimura, Y., Kawachi, M., Noguchi, H., Minakuchi, YY., Umen, J. G., Toyoda, A., Nozaki, H. 2021 Three genomes in the algal genus Volvox reveal the fate of a haploid sex-determining region after a transition to homothallism. Proc. Natl. Acad. Sci. U. S. A., 118, e2100712118 (article ID).
Keywords: Volvox; evolution; heterothallism; homothallism; sex
Strain(s): 3780378137823783378437853786 
PubMed: 34011609
DOI: 10.1073/pnas.2100712118

Yamamoto, K., Kawai-Toyooka, H., Hamaji, T., Tsuchikane, Y., Mori, T., Takahashi, F., Sekimoto, H., Ferris, P. J., Nozaki, H. 2017 Molecular evolutionary analysis of a gender-limited MID ortholog from the homothallic species Volvox africanus with male and monoecious spheroids. PLoS One, 12, e0180313 (article ID).
Strain(s): 37803782378337853786398641104111 
PubMed: 28665990
DOI: 10.1371/journal.pone.0180313

Nozaki, H., Matsuzaki, R., Yamamoto, K., Kawachi, M., Takahashi, F. 2015 Delineating a new heterothallic species of Volvox (Volvocaceae, Chlorophyceae) using new strains of “Volvox africanus”. PLoS One, 10, e0142632 (article ID).
Strain(s): 3780378137823783378437853786 
PubMed: 26562165
DOI: 10.1371/journal.pone.0142632

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