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Strain number NIES-69  
Phylum Streptophyta  
Class Charophyceae  
Scientific name Closterium peracerosum-strigosum-littorale complex  
Synonym  
Former name  
Common name Desmid  
Locality (Date of collection) Lake Teganuma Abiko Chiba Japan (1974-06-**)  
Latitude / Longitude 35.8581459719 / 140.031447988 
Habitat (Isolation source) Freshwater  
History < Watanabe, Makoto M.  
Isolator (Date of isolation) Watanabe, Makoto M. (1974-06-**)  
Identified by Watanabe, Makoto M.  
State of strain Subculture; Unialgal; Clonal; Non-axenic  
Culture condition
(Preculture condition)
Medium:  C  
Temperature:  15 (20) C
Light intensity:  7-14 (10-17) µmol photons/m2/sec, L/D cycle:  10L:14D
Duration:  3 M (21 D)  
Gene information 18S rRNA ( AB363688 ) , 5.8S-ITS2-28S ( AB625546 )  
Cell size (min - max)  
Organization Unicellular 
Characteristics Heterothallic: Mating type (+) ; Mating group II B  
Other strain no. Other strain no. : TG-2-21  
Remarks  
Movie  
Reference
Tsuchikane, Y., Tsuchiya, M., Hindák, F., Nozaki, H., Sekimoto, H. 2012 Zygospore formation between homothallic and heterothallic strains of Closterium. Sex. Plant Reprod., 25, 1-9.
Keywords: Closterium; Conjugation; Homotallism; Heterothallism: Dexual reproduction; Zygospore
Strain(s): 5859606162636465676869702612666 

Tsuchikane, Y., Ito, M., Sekimoto, H. 2008 Reproductive isolation by sex pheromones in the Closterium peracerosum-strigosum-littorale complex (Zygnematales, Charophyceae). J. Phycol., 44, 1197-1203.
Keywords: Closterium; conjugation; pheromone; reproductive isolation; sexual reproduction
Strain(s): 53545859646567686970229261 

Sekimoto, H., Tanabe, Y., Tsuchikane, Y., Shirosaki, H., Fukuda,H., Demura, T., Ito, M. 2006 Gene expression profiling using cDNA microarray analysis of the sexual reproduction stage of the unicellular charophcean alga Closterium peracerosum-strigosum-littorale comples. Plant Physiol., 141, 271-279.
Strain(s): 6769 
DOI: 10.1104/pp.116.078048

Mori, F., Erata, M., Watanabe, M. M. 2002 Cryopreservation of cyanobacteria and green algae in the NIES-Collection. Microbiol. Cult. Coll., 18, 45-55.
Keywords: cryopreservation; cyanobacteria; green algae; FDA staining method; NIES-Collection
Strain(s): 19212223242526272829303132333435363738394041444546505152535455565758596061626364656667686970737475767778798081878990919293949596979899100101102103104105106107108109110111112119120122123124125127128129130131132133134135137138139144147148150151152153154155156157158159160162163164165166167168169170171172173174175176177178179180181182183185186187188189191192193194195197198199200201202203204205206207208209210211212213214215216217224226227228229230231232241242243244245246248257259261262263266267268271287288289290294295297298299300301302303305306308309310311312313329334336337338339340341342349351359360361362375378379380382384385390394396397398415416418419421422423424425426427428429430431432433434436437438439440446447448449450451452453454455456457458459460464468469474478479480481503504505506507509510512514515522523524527528529530531532536537538539540541542543544545546564565566567568569570571572573574575576577578579580581582583584585592593594595596597598604610628630631632633634635636637638639640641642643644645646647648649650651652653654655656657658659660661662663664665666667672685686687688689690691692693694717718719720721722723724725726727728729 

Watanabe, M. M., Ichimura, T. 1978 Biosystematic studies of the Closterium peracerosum-strigosum-littorale complex. II. Reproductive isolation and morphological variation among several populations from the Northern Kanto area in Japan. Bot. Mag. Tokyo, 91, 1-10.
Strain(s): 5152535455565758596061626364656970261 

Watanabe, M. M., Ichimura, T. 1978 Biosystematic studies of the Closterium peracerosum-strigosum-littorale complex. III. Degrees of sexual isolation among the three population groups from the Northern Kanto area. Bot. Mag. Tokyo, 91, 11-24.
Strain(s): 5152535455565758596061626364656970261 

Watanabe, M. M. 1977 Biosystematics in Closterium of sexual unicellular green algae and Calothrix and Spirulina of asexual filamentous blue-green algae, with special reference to the analyses of natural populations. Thesis D. Sci., Hokkaido University, 114 pp., 28 tables, 54 figs.
Strain(s): 3945465152535455565758596061626364656667686970261262266268 

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