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 (sī′ə-nō-băk-tîr′ē-əm, sī-ăn′ō-)
n. pl. cy·a·no·bac·te·ri·a (-tîr′ē-ə)
Any of various photosynthetic bacteria of the phylum Cyanobacteria that are generally blue-green in color and are widespread in marine and freshwater environments, with some species capable of nitrogen fixation. Also called blue-green alga, blue-green bacterium.


pl n, sing -rium (-rɪəm)
(Microbiology) a group of photosynthetic bacteria (phylum Cyanobacteria) containing a blue photosynthetic pigment. Former name: blue-green algae

blue′-green` al′gae
any of various groups of prokaryotic microorganisms of the phylum Cyanophyta, containing chlorophyll and a blue pigment. Also called cyanobacteria.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.cyanobacteria - predominantly photosynthetic prokaryotic organisms containing a blue pigment in addition to chlorophyllcyanobacteria - predominantly photosynthetic prokaryotic organisms containing a blue pigment in addition to chlorophyll; occur singly or in colonies in diverse habitats; important as phytoplankton
eubacteria, eubacterium, true bacteria - a large group of bacteria having rigid cell walls; motile types have flagella
class Cyanobacteria, class Cyanophyceae, Cyanophyceae - photosynthetic bacteria found in fresh and salt water, having chlorophyll a and phycobilins; once thought to be algae: blue-green algae
nostoc - found in moist places as rounded jellylike colonies
trichodesmium - large colonial bacterium common in tropical open-ocean waters; important in carbon and nitrogen fixation
References in periodicals archive ?
The report"Biofertilizers Market by Type (Nitrogen-fixing, Phosphate-solubilizing & Potash- mobilizing), Microorganisms (Rhizobium, Azotobacter, Azospirillum, Cyanobacteria & Phosphate-Solubilizing Bacteria), Application, Crop Type & by Region - Global Forecast to 2020" published by MarketsandMarkets, Biofertilizers Market is expected to reach USD 1.
This project will use cyanobacteria as a model system to determine whether cellular differentiation is a cause or consequence of multicellularity.
TEHRAN (FNA)- Scientists harnessed the circadian mechanism found in cyanobacteria to transplant the circadian wiring into a common species of bacteria that is naturally non-circadian.
cell division in cyanobacteria growing with average doubling times of
Outbreaks of diarrheal illness associated with cyanobacteria (Blue-green algae)-like bodies-Chicago and Nepal, 1989 and 1990.
Dreher spent the past four years intensively studying the cyanobacteria that make the blue-green blooms, especially in Dexter Lake.
The cyanobacteria appeared to be the most likely source of the region's carbonate, yet the area lacks enough nutrients, especially iron, to support bacterial populations large enough to form the islands.
Cyanobacteria Secondary metabolites have been used in medicine for more than two thousand years [6].
2008) connected the domination of cyanobacteria with their preferred germination conditions, and stressed that temperature, resuspension, and bioturbation are driving factors in their recruitment.
1979, Generic assignments, strain histories and properties of pure cultures of cyanobacteria, J.
That is why "blue-green algae" are classified as bacteria despite having chlorophyll; their proper name is cyanobacteria (from the Greek kyanos, meaning dark blue).
The European Union (EU)-funded PEPCY project, wanted to investigate 255 unknown proteins--called peptides--in the algae, also known as cyanobacteria, because of tests showing the algae have poisoned dogs, fish, birds and other fauna.