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Strain number NIES-71  
Phylum Heterokontophyta  
Class Bacillariophyceae  
Scientific name Achnanthidium minutissimum (Kützing) Czarnecki  
Synonym Achnanthes minutissima Kützing  
Former name  
Common name Diatom (Pennales)  
Locality (Date of collection) Kosaka River Akita Japan (1983-04-19)  
Latitude / Longitude  
Habitat (Isolation source) Freshwater (River water)  
History < Yuri, Akira  
Isolator (Date of isolation) Yuri, Akira (1983-09-27)  
Identified by Mizuno, Makoto  
State of strain Subculture; Unialgal; Clonal; Axenic[2014 Feb.]  
Culture condition
(Preculture condition)
Medium:  CSi  
Temperature:  20 C
Light intensity:  24-39 µmol photons/m2/sec, L/D cycle:  10L:14D
Duration:  1 M  
Gene information  
Cell size (min - max) 8 - 12 μm  
Organization Unicellular 
Characteristics Test strain for AGP etc. (Ishihara, S. et al. 2006; Nagai, T., 2016)  
Other strain no. Other strain no. : A15-6  
Nagai, T., Taya, K., Yoda, I. 2016 Comparative toxicity of 20 herbicides to 5 periphytic algae and the relationship with mode of action. Environ. Toxicol. Chem., 35, 368-375.
Keywords: Attached algae; In-vivo fluorescence; Pesticides; Species sensitivity distribution
Strain(s): 71487512797 
DOI: 10.1002/etc.3150

Fukuda, S., Iwamoto, K., Atsumi, M., Yokoyama, A., Nakayama, T., Ishida, K-I., Inouye, I., Shiraiwa, Y. 2014 Global searches for microalgae and aquatic plants that can eliminate radioactive cesium, iodine and strontium from the radio-polluted aquatic environment: a bioremediation strategy. J. Plant Res., 127, 79-89.
Keywords: Algal phytoremediation; Bioaccumulation; Radiopollution; Radionuclide elimination; Radioactive cesium; The Fukushima 1 Nuclear Power Plant accident
Strain(s): 243671155160203233246329333391405417440487503529531538548553587597678727805843859931995100310121015101710311044104512591326133113771382138814111435143914401441144214581728182618311833184018461862186519562131214421462147215021752176218522682325234123522377241124122437285428552856285828592860 
DOI: 10.1016/10.1007/s10265-013-0596-9

永井孝志 (Nagai, T. et al.) 2014 河川付着藻類を用いた農薬の毒性試験マニュアル Ver. 1.0 独立行政法人農業環境技術研究所 化学物質環境動態・影響評価リサーチプロジェクト 52 pp.
Strain(s): 71487512797 

Nagai, T., Taya, K., Annoh, H., Ishihara, S. 2013 Application of a fluorometric microplate algal toxicity assay for riverine periphytic algal species. Ecotox. Environ. Safe., 94, 37-44.
Keywords: Attached algae; In-vivo fluorescence; Pesticides; Species sensitivity distribution
Strain(s): 357173414487512797 
DOI: 10.1016/j.ecoenv.2013.04.020

Mizoguchi, T., Kimura, Y., Yoshitomi, T., Tamiaki, H. 2011 The stereochemistry of chlorophyll-c3 from the haptophyte Emiliania huxleyi: the (132R)-enantiomers of chlorophylls-c are exclusively selected as the photosynthetically active pigments in chromophyte algae. Biochim. Biophys. Acta, 1807, 1467-1473.
Keywords: chlorophyll-c; chiral HPLC; enantioimer; chromophyte algae; light-harvesting complexes
Strain(s): 71281696837 

Hayashi, S., Jang, J. E., Itoh, K., Suyama, K., Yamamoto, H. 2011 Construction of river model biofilm for assessing pesticide effects. Arch. Environ. Contam. Toxicol., 60, 44-56.
Strain(s): 71489803 

Hamana, K. 2008 Cellular polyamines of phototrophs and beterotrophs belonging to the lower eukaryotic phyla Cercozoa, Euglenozoa, Heterokonta and Metamonada. J. Gen. Appl. Microbiol., 54, 135-140.
Keywords: cyanobacteria; homospermidine; polyamine; spermine; thermospermine
Strain(s): 9157186118253323330333548603621622100210031011104413031380144014431444 

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 

Ishihara, S., Horio, T., Kobara, Y., Yokoyama, A. 2006 Evaluation of herbicide effects on microalgal cells by flow cytometric analysis. J. Weed Sci. Tech., 51, 239-248 (in Japanese with English summary).
Keywords: herbicide; flow cytometry; algae; morphological change; recoverability; ecological risk assessment
Strain(s): 71230 

Nakai, S., Yamane, S., Hosomi, M. 2000 Algal growth inhibition effects of Myriophyllum spicatum-releasing four allelopathic polyphenols. J. Jpn. Soc. Wat. Environ., 23, 726-730 (in Japanese with English summary).
Keywords: allelochemical; polyphenol; algae; concentration-dependent synergistic growth inhibition; autoxidation
Strain(s): 35718796489512 

Takamura, N., Kasai, F., Watanabe, M. M. 1989 Effects of Cu, Cd and Zn on photosynthesis of freshwater benthic algae. J. Appl. Phycol., 1, 39-52.
Keywords: heavy metal; photosynthesis; algae; tolerance
Strain(s): 71305329407408409410411412413414416433434454461465466467479481487489503504505506507509510515529530531532536537538539540620639640641642659660661662 

Takamura, N., Kasai, F., Watanabe, M. M. 1988 Differences in the tolerant level of benthic algae to heavy metal - The effects of Cu, Cd, and Zn on the photosynthesis. Res. Rep. Natl. Inst. Environ. Stud., No. 114, 223-232 (in Japanese with English summary).
Strain(s): 71305329411412413434504531538641642662 

Otsuki, A., Watanabe, M. M., Sugahara, K. 1987 Chlorophyll pigments in methanol extracts from ten axenic cultured diatoms and three green algae as determined by reverse phase HPLC with fluorometric detection. J. Phycol., 23, 406-414.
Keywords: chlorophyll c complex; chlorophyll pigments; diatoms; field desorption mass spectrometry; methanol extracts; reverse phase HPLC
Strain(s): 16565771157225534 

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