noun, singular: cyanobacterium

A group of prokaryotes that are characterized by the following general features:


According to the endosymbiont theory, the chloroplasts inside the cells of photosynthetic eukaryotes had likely evolved from their endosymbiotic relation with cyanobacteria.

Word origin: Greek (kyanós) = blue

Also called: blue-green algae or blue-green bacteria.

Related term:

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