Noun
predominantly photosynthetic prokaryotic organisms containing a blue pigment in addition to chlorophyll; occur singly or in colonies in diverse habitats; important as phytoplankton
Source: WordNetAs a result, the chloroplast genome is heavily reduced compared to that of free-living cyanobacteria. Source: Internet
Bacteria Like plants, the cyanobacteria use water as an electron donor for photosynthesis and therefore liberate oxygen ; they also use chlorophyll as a pigment. Source: Internet
Biological nitrogen fixation in free-living cyanobacteria and in the root nodules of plants also produces ammonia from molecular nitrogen. Source: Internet
A phytoplankton community dominated by green algae or cyanobacteria (blue-green algae) tint the water south of the causeway a greenish color. Source: Internet
Chloroplasts are thought to be descended from cyanobacteria that formed endosymbiotic relationships with ancient plant and algal ancestors. Source: Internet
Comparisons with their closest free living cyanobacteria of the genus Synechococcus (having a genome size 3 Mb, with 3300 genes) revealed that chromatophores underwent a drastic genome shrinkage. Source: Internet