Strain number NIES-891  
Phylum Chlorophyta  
Class Chlorophyceae  
Scientific name Volvox aureus Ehrenberg  
Synonym Janetosphaera aurea (Ehrenberg) W.R.Shaw 1922; Volvox dioica var. lismorensis Playfair null; Volvox minor F.Stein 1854; Volvox dioicus F.J.Cohn 1875; Volvox lismorensis Playfair 1915  
Former name  
Common name Green alga ; Volvocine alga  
Locality (Date of collection) Stechlinsee, Neuglobsow, Brandenburg, Germany (1997-07-17)  
Latitude / Longitude 53.152028 / 13.023303 
Habitat (Isolation source) Freshwater (Lake water)  
History < Nozaki, Hisayoshi  
Isolator (Date of isolation) Nozaki, Hisayoshi (1997-07-17)  
Identified by Nozaki, Hisayoshi  
State of strain Subculture; Unialgal; Clonal; Axenic[2018 Feb]  
Culture condition
(Preculture condition)
Medium:  AF-6  
Temperature:  15 C
Light intensity:  10-15 µmol photons/m2/sec, L/D cycle:  10L:14D
Duration:  3 M  
Gene information atpB ( AB076104 ) , rbcL ( AB076096 ) , psaA ( AB076123 ) , psaB ( AB076145 ) , psbC ( AB076160 )  
Cell size (min - max)  
Organization Colonial; Flagellate 
Characteristics Phototaxis  
Other strain no. Other strain no. : 970717-2  
Remarks Fragile species to transportation stresses; Read and agree "How to order 4.1"; Axenic 
Movie  
Reference
Yamagishi, S., Yamamoto, K., Takahashi, K., Kawai-Toyooka, H., Suzuki, S., Matsuzaki, R., Yamaguchi, H., Kawachi, M., Higashiyama, T., Nozaki, H. 2023 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

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

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

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., Takahara, M., Nakazawa, A., Kita, Y., Yamada, T., Takano, H., Kawano, S., Kato, M. 2002 Evolution of rbcL group IA introns and intron open reading frames within the colonial Volvocales (Chlorophyceae). Mol. Phylogenet. Evol., 23, 326-338.
Strain(s): 289418582654857875883891892 
PubMed: 12099791
DOI: 10.1016/S1055-7903(02)00030-1

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