Strain number NIES-4634  
Phylum Bigyra  
Class Bicoecea  
Scientific name Hirugamonas aperieos Kataoka & Kishikami  
Synonym  
Former name  
Common name  
Locality (Date of collection) Lake Hiruga, Mihama, Fukui, Japan (2016-08-12)  
Latitude / Longitude 35.603533 / 135.889250 
Habitat (Isolation source) Brackish water (Seawater)  
History < Kataoka, Takafumi  
Isolator (Date of isolation) Kataoka, Takafumi (2016-09-29)  
Identified by Kataoka, Takafumi  
State of strain Subculture; Mixed (Pseudoalteromonas sp. as food); Unialgal; Clonal; Non-axenic  
Culture condition
(Preculture condition)
Medium:  MNK + YT + Wheat  
Temperature:  15 C

Duration:  1 M  
Gene information 18S rRNA ( LC683677 )  
Cell size (min - max) 3 - 4 μm  
Organization Unicellular; Flagellate 
Characteristics Heterotrophic ; Authentic strain (Kishikami et al. 2025)  
Other strain no. Other strain no. : HIYC8  
Remarks  
Movie  
Reference
Kishikami, T., Ota, M., Ishida, K., Yamada, K., Kataoka, T. 2025 Morphology and ultrastructure of marine bacterivorous bicosoecid Hirugamonas aperieos gen. et sp. nov. Protist, 178, 126104 (article ID).
Keywords: Bacterivorous protist; Hirugamonas; Stramenopile; Ultrastructure; Bicosoecida
Strain(s): 4634 
PubMed: 40516125
DOI: 10.1016/j.protis.2025.126104

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