Strain number NIES-3782  
Phylum Chlorophyta  
Class Chlorophyceae  
Scientific name Volvox reticuliferus Nozaki  
Synonym  
Former name  
Common name Green alga ; Volvocine alga  
Locality (Date of collection) Lake Biwa, Oroshimo-cho, Kusatsu Shiga, Japan (2013-07-03)  
Latitude / Longitude 35.073889 / 135.931944 
Habitat (Isolation source) Freshwater (Lake water)  
History < Nozaki, Hisayoshi  
Isolator (Date of isolation) Nozaki, Hisayoshi (2013-07-03)  
Identified by Nozaki, Hisayoshi  
State of strain Subculture; Unialgal; Clonal  
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 ITS2 ( LC090161 ) , atpB ( LC090155 ) , psaA ( LC090156 ) , psaB ( LC090157 ) , rbcL ( LC090154 ) , psbC ( LC090158 )  
Cell size (min - max)  
Organization Colonial; Flagellate 
Characteristics Phototaxis ; Authentic strain (Nozaki et al. 2016) ; Heterothallic ; Dioecious ; Oogamy ; Female ; F1 strains (NIES-3785, 3786)  
Other strain no. Other strain no. : 2013-0703-VO2  
Remarks Fragile species to transportation stresses; Read and agree "How to order 4.1" 
Movie  
Reference
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

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): 2894214564584604745225415435445455645665685695715725745785826537327518518568728768778788808821038112211401148115611571362170817111713185924572569273833823388378037823986 

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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