Strain number NIES-2733  
Phylum Heterokontophyta  
Class Bacillariophyceae  
Scientific name Sellaphora seminulum (Grunow) D.G.Mann  
Synonym Navicula seminulum Grunow 1860; Schizonema seminulum (Grunow) Kuntze 1898; Navicula joubaudii H.Germain 1982; Naviculadicta seminula (Grunow) Lange-Bertalot 2000  
Former name  
Common name Pennate diatom  
Locality (Date of collection) Sakagawa River, Tsukuba, Ibaraki, Japan (2005-06-27)  
Latitude / Longitude  
Habitat (Isolation source) Freshwater (Stone)  
History < Mayama, Shigeki  
Isolator (Date of isolation) Ishihara, Satoru (2005-07-10)  
Identified by Mayama, Shigeki  
State of strain Subculture; Unialgal; Clonal; Non-axenic  
Culture condition
(Preculture condition)
Medium:  CSi  
Temperature:  15 C
Light intensity:  5-8 µmol photons/m2/sec, L/D cycle:  10L:14D
Duration:  2 M  
Gene information  
Cell size (min - max)  
Organization Unicellular 
Characteristics Test strain for AGP etc. (Ishihara, S. et al. 2006)  
Other strain no. Other strain no. : U1-5  
Remarks  
Movie  
Related strain information
(Large number of orders and same genus or species)
Related strain information
(Used in same reference)
Strain number Scientific name Common name Habitat (Isolation source) Characteristics
NIES-2720
Eolimna minima Pennate diatom   Freshwater (Stone) Test strain for AGP etc. (Ishihara, S. et al. 2006)  
NIES-2729
Nitzschia palea Pennate diatom   Freshwater (Stone) Test strain for AGP etc. (Ishihara, S. et al. 2006) ; Genome decoded strain (Kamikawa et al. 2018)  
NIES-2722
Fistulifera saprophila Pennate diatom   Freshwater (Stone) Test strain for AGP etc. (Ishihara, S. et al. 2006)  
NIES-2718
Craticula molestiformis Pennate diatom   Freshwater (Stone) Test strain for AGP etc. (Ishihara, S. et al. 2006)  
NIES-2728
Nitzschia palea Pennate diatom   Freshwater (Stone) Test strain for AGP etc. (Ishihara, S. et al. 2006) ; Herbicide (triazine-type) tolerant  
Reference
Ishihara, S., Horio, T., Kobara, Y., Yokoyama, A., Mayama, S. 2006 Development of a growth inhibition test method using fresh water attached diatoms. Jpn. J. Environ. Toxicol., 9, 101-113 (in Japanese with English summary).
Keywords: attached diatom; growth inhibition test; herbicide; ecological risk assessment
Strain(s): 712717271827192720272127222724272527262727272827292730273127322733 
DOI: 10.11403/jset.9.101

Ishihara, S. 2008 Development of risk assessment pocedure for evaluating effect of herbicides on primary productivity of river ecosystem. Bull. Nat. Inst. Agro-Env. Sci., 25, 1-92 (in Japanese with English summary).
Strain(s): 27172718271927202721272227232724272527262727272827292730273127322733 

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