Strain number NIES-797  
Phylum Chlorophyta  
Class Chlorophyceae  
Scientific name Desmodesmus subspicatus (Chodat) E.Hegewald & A.W.F.Schmidt  
Synonym Scenedesmus subspicatus Chodat  
Former name  
Common name Green alga  
Locality (Date of collection) inside NIES, Onogawa, Tsukuba, Ibaraki, Japan (1992-06-17)  
Latitude / Longitude  
Habitat (Isolation source) Freshwater (Pond water)  
History < Kasai, Fumie  
Isolator (Date of isolation) Kasai, Fumie (1992-07-01)  
Identified by Nakano, Taketo; Confirmed by DNA sequencing at NIES  
State of strain Cryopreservation; Unialgal; Clonal; Non-axenic  
Culture condition
(Preculture condition)
Medium:  C  
Temperature:  20 (25) C
Light intensity:  2 (14-16) µmol photons/m2/sec, L/D cycle:  10L:14D
Duration:  6 M (21 D)  
Gene information  
Cell size (min - max) 8 - 13 μm  
Organization  
Characteristics Test strain (Nagai, T., 2016) ; Herbicide (simetryn) susceptible  
Other strain no. Other strain no. : B8-7  
Remarks Cryopreserved 
Movie  
Related strain information
(Large number of orders and same genus or species)
Related strain information
(Whose relevance due to simultaneous purchases and other information is inferred by AI)
Strain number Scientific name Common name Habitat (Isolation source) Characteristics
NIES-4418
Desmodesmus sp. Green alga   Freshwater (Reservoir water)  
NIES-96
Desmodesmus sp. Green alga   Freshwater (Lake water)  
NIES-97
Desmodesmus serratus Green alga   Freshwater (Lake water)  
NIES-685
Desmodesmus abundans Green alga   Authentic strain of Chlorella fusca Shihira & R.W.Krauss (Shihira & R.W.Krauss 1965)  
Related strain information
(Used in same reference)
Strain number Scientific name Common name Habitat (Isolation source) Characteristics
NIES-801
Desmodesmus subspicatus Green alga   Freshwater (Pond water) Herbicide (simetryn) tolerant  
NIES-414
Achnanthidium minutissimum Pennate diatom   Freshwater (River water)  
NIES-94
Scenedesmus acutus Green alga   Freshwater (River water)  
NIES-35
Raphidocelis subcapitata Green alga   Freshwater Test strain for AGP ; Genome decoded strain (Suzuki et al. 2018)  
NIES-487
Nitzschia palea Pennate diatom   Freshwater (River water) Test strain (Nagai, T., 2016)  
Reference
Kasai, F. & Hanazato, T. 1995 Genetic changes in phytoplankton communities exposed to the herbicide simetryn in outdoor experimental ponds. Arch. Environ. Contam. Toxicol., 28, 154-160.
Strain(s): 797798799800801802 
DOI: 10.1007/BF00217610

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

Nagai, T. 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 In Research Project for Environmental Risk Assessment of Nutrients and Organochemicals, NIAES, 52 pp (in Japanese).
Strain(s): 71487512797 

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 
PubMed: 26174500
DOI: 10.1002/etc.3150

Nagai, T. 2017 Predicting herbicide mixture effects on multiple algal species using mixture toxicity models. Environ. Toxicol. Chem., 36, 2624-2630.
Keywords: Pesticide; Species sensitivity distribution; Mixture toxicology; Algae; Mode of action
Strain(s): 71487512797 
PubMed: 28316094
DOI: 10.1002/etc.3800

Gu, Y., Tobino, T., Nakajima, F. 2021 Determining the relative importance of dietborne and waterborne toxicity of 4-tert-butylphenol and 4-tert-octylphenol to the benthic crustacean, Heterocypris incongruens. Environ. Sci. Technol., 55, 7939–7948.
Keywords: alkylphenol; toxicity test; dietborne toxicity; exposure route; Heterocypris incongruens; ISO 14371
Strain(s): 947972170 
PubMed: 34047553
DOI: 10.1021/acs.est.0c08164

Xing, H., Li, Q., Zhao, Y., Gao, H., Li, L., Zhang, Y., Yu, X. 2023 Exogenous proline boosts the co-accumulation of astaxanthin and biomass in stress-induced Haematococcus pluvialis. Bioresour. Technol., 369, 128488 (article ID).
Keywords: Haematococcus pluvialis; Proline; Biomass; Astaxanthin productivity; Abiotic stresses
Strain(s): 144712797 
PubMed: 36528181
DOI: 10.1016/j.biortech.2022.128488

Gu, Y., Tobino, T., Nakajima, F. 2024 Dietborne toxicity of tebuconazole to a benthic crustacean, Heterocypris incongruens and its relative contribution to the overall effects under food-water equilibrium partitioning. Environ. Sci. Technol., 58, 1048-1054.
Keywords: tebuconazole; toxicity test; dietborne toxicity; exposure route; Heterocypris incongruens; dietary contribution
Strain(s): 797 
PubMed: 38157561
DOI: 10.1021/acs.est.3c06609

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