About algae database
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Microbial Culture Collection at the National Institute for Environmental Studies (NIES - Collection) was founded in 1983 as the first collection center of environmental microorganisms.
Although microalgae, bacteria and protozoa related to environmental problems will be
preserved in this collection in the future (Table 1), microalgae associated with water pollution and
cleaning have been collected and preserved the most actively as the first step. The scientific names,
sources, conditions of cultivation and preservation, purity, morphological and physiological
characteristics, and environmental characteristics, of all the strains collected have been re-examined,
and the revised data processed using a personal computer.
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 Table 1. Microbial culture strains preserved in the NIES-Collection
| Environmental Microorganisms |
Examples |
Causative microorganisms of environmental pollution.
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Causative algae of red tide or water bloom, toxic algae, microorganisms causing the offensive odor or taste of tap water, and sulfate-reducing bacteria.
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Microbial indicators of environmental pollution.
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Algae used in bioassay studies of water pollution, metal resistant microorganisms, and microbial indicators of eutrophication.
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Microorganisms associated with environmental self-cleaning and waste water treatment
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Photosynthetic bacteria, denitrifying bacteria, microorganisms which prey upon or lyse causative organisms of environmental pollution, and bacteria and protozoa associated with activated sludge, microbial film processing or anaerobic processing.
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Microorganisms associated with biodegradation of synthetic organic compounds
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Bacteria associated with biodegradation of PCB, phenol and agricultural chemicals.
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Microorganisms associated with oxidation and reduction of metals.
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Bacteria associated with reduction of mercury chloride (II) or mercury cyanide (II), oxidation of arsenious acid, or bacterial leaching of heavy metals.
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