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Strain number NIES-403  
Phylum Ciliophora  
Class Oligohymenophorea  
Scientific name Tetrahymena pyriformis Ehrenberg  
Synonym  
Former name  
Common name  
Locality (Date of collection) Lake Kasumigaura Ibaraki Japan (1976-08-**)  
Latitude / Longitude 36.0428477398 / 140.373233439 
Habitat (Isolation source) Freshwater  
History < Sudo, Ryuichi  
Isolator (Date of isolation) Sudo, Ryuichi (1976-08-**)  
Identified by Sudo, Ryuichi  
State of strain Subculture; Non-clonal  
Culture condition
(Preculture condition)
Medium:  LEPYGURO + Wheat  
Temperature:  15 C
Light intensity:  0 µmol photons/m2/sec,
Duration:  20 D  
Gene information  
Cell size (min - max) - 40 μm  
Organization Unicellular; Flagellate 
Characteristics Other water bloom  
Other strain no. Other strain no. : Tetra-1  
Remarks Fragile species to transportation stresses; Read and agree "How to order 4.1" 
Movie  
Reference
Iwahori, K., Miyata, N., Umeda, Y., Aoyama, K., Shimoi, K., Kinae, N. 1999 Applicability of environmental microorganisms to alkaline single cell gel electrophoresis (comet) assay. Jpn. J. Water Treat. Biol., 35, 261-270 (in Japanese with English summary).
Keywords: comet assay; DNA damage; environmental microorganisms; Euglena gracilis; cell lysis; unwinding; electrophoresis; SDS; γ-irradiation
Strain(s): 49122403 

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