Strain number NIES-4292  
Phylum Chlorophyta  
Class Trebouxiophyceae  
Scientific name Choricystis krienitzii Pröschold & Darienko  
Former name Choricystis sp.  
Common name Green alga  
Locality (Date of collection) Lake Kasumigaura, Ibaraki, Japan (2013-11-13)  
Latitude / Longitude 36.03583333 / 140.40361111 
Habitat (Isolation source) Freshwater (Lake water)  
History < Sato, Mayumi  
Isolator (Date of isolation) Sato, Mayumi (2013-11-14)  
Identified by Nakayama, Takeshi  
State of strain Cryopreservation; Unialgal; Clonal; Non-axenic  
Culture condition
(Preculture condition)
Medium:  AF-6  
Temperature:  20 C
Light intensity:  3-5 µmol photons/m2/sec, L/D cycle:  10L:14D
Duration:  2 M  
Gene information 18S rRNA ( LC472538 )  
Cell size (min - max)  
Organization Unicellular 
Other strain no. Other strain no. : sort 41  
Remarks Cryopreserved 
Pröschold, T. & Darienko, T. 2020 Choricystis and Lewiniosphaera gen. nov. (Trebouxiophyceae Chlorophyta), two different green algal endosymbionts in freshwater sponges. Symbiosis, 82, 175-188.
Keywords: Choricystis; Lewiniosphaera; Freshwater sponges; Endosymbiosis
Strain(s): 21672171234240334292 
PubMed: 33328698
DOI: 10.1007/s13199-020-00711-x

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