Strain number NIES-872  
Phylum Chlorophyta  
Class Chlorophyceae  
Scientific name Yamagishiella unicocca (Rayburn & Starr) Nozaki  
Synonym Pandorina unicocca W.R.Rayburn & R.C.Starr 1974  
Former name  
Common name Green alga  
Locality (Date of collection) Brandenburg, Germany (1997-07-31)  
Latitude / Longitude  
Habitat (Isolation source) (Freshwater)  
History < Nozaki, Hisayoshi  
Isolator (Date of isolation) Nozaki, Hisayoshi (1997-08-01)  
Identified by Nozaki, Hisayoshi  
State of strain Cryopreservation; Unialgal; Clonal; Non-axenic[2018 Feb]  
Culture condition
(Preculture condition)
Medium:  AF-6  
Temperature:  15 C
Light intensity:  18 µmol photons/m2/sec, L/D cycle:  10L:14D
Duration:  3 M  
Gene information atpB ( AB044172 ) , rbcL ( AB044168 ) , psaA ( AB044216 ) , psaB ( AB044445 ) , psbC ( AB044497 )  
Cell size (min - max)  
Organization  
Characteristics Phototaxis ; Heterothallic ; Isogamous ; Mating type (+)  
Other strain no. Other strain no. : 970801-E-5 (= Nozaki E-5)  
Remarks Cryopreserved 
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

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): 28942145645846047452254154354454556456656856957157257457858265373275185185687287687787888088210381122114011481156115713621708171117131859245725692738338233883780378239864145425842594260 

Yamada, T. K., Miyaji, K., Nozaki, H. 2008 A taxonomic study of Eudorina unicocca (Volvocaceae, Chlorophyceae) and related species, based on morphology and molecular phylogeny. Eur. J. Phycol., 43, 317-326.
Keywords: aplanosporic strain; Eudorina unicocca; Eudorina peripheralis stat. nov.; Chlorophyceae; molecular phylogeny; morphology; taxonomy; Volvocales; Yamagishiella
Strain(s): 5786667177227237247257268708721855185618571858185918601861 
DOI: 10.1080/09670260701763484

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., 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

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