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Class Myxophyceae or Cyanophyceae is usually called Blue-Green algae because of the presence of a principal bluish-green pigment

Here are five common applications:

  1. Environmental indicators: Cyanobacteria are used as bioindicators to assess water quality and ecological health. Their presence or abundance can indicate pollution or nutrient enrichment in aquatic ecosystems.
  2. Nitrogen fixation: Many cyanobacteria have the ability to convert atmospheric nitrogen into a usable form, contributing to nitrogen cycling in ecosystems. This process is vital for nitrogen availability in soils, making cyanobacteria important for sustainable agriculture.
  3. Bioremediation: Some cyanobacteria species can degrade or detoxify pollutants such as heavy metals, pesticides, and organic compounds. They are used in bioremediation projects to clean up contaminated soil and water environments.
  4. Food source: Certain cyanobacteria species are edible and consumed by humans. Spirulina and Aphanizomenon flos-aquae are examples of cyanobacteria used as dietary supplements due to their high protein content and nutritional value.
  5. Production of biofuels: Cyanobacteria can be cultivated to produce biofuels such as biodiesel and bioethanol. They have the ability to convert sunlight and carbon dioxide into energy-rich compounds, offering a potential sustainable alternative to fossil fuels.

There are several other uses of cyanobacteria from the class Myxophyceae.

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