Phototrophic bacteria
Phototrophic prokaryotes are bacteria or archaea that obtain energy from light. Phototrophic prokaryotes may utilize a variety of carbon sources, depending on the metabolic pathways available to the b...
Phototrophic bacteria - Wikipedia
How a single-celled organism almost wiped out life on Earth
There’s an organism that changed the world. It caused the first mass extinction in Earth’s history … and also paved the way for complex life. How?
Cyanobacteria
Cyanobacteria /saɪˌænoʊbækˈtɪəriə/, also known as Cyanophyta, is a phylum of bacteria that obtain their energy through photosynthesis. The name "cyanobacteria" comes from the color of the bacteria (Gr...
Cyanobacteria - Wikipedia
Prochlorococcus
Prochlorococcus is a genus of very small (0.6 µm) marine cyanobacteria with an unusual pigmentation (chlorophyll b). These bacteria belong to the photosynthetic picoplankton and are probably the ...
Rhodospirillum rubrum
Rhodospirillum rubrum (R. rubrum) is a Gram-negative, pink-coloured Proteobacterium, with a size of 800 to 1000 nanometers.It is a facultative anaerobe, it can therefore use alcoholic fermentation und...
Chlorobium chlorochromatii
Chlorobium chlorochromatii, originally known as Chlorobium aggregatum, is a symbiotic green sulfur bacteria that performs anoxygenic photosynthesis and functions as an obligate photoautotroph using re...
Rhodoferax
Rhodoferax is a genus of β-Proteobacteria belonging to the purple non-sulfur bacteria, a polyphyletic group of phototrophic bacteria. Originally Rhodoferax strains were included in the Rhodocyclus gen...
Chloroflexi (phylum)
The Chloroflexi or Chlorobacteria are a phylum of bacteria containing isolates with a diversity of phenotypes including members that are aerobic thermophiles, which use oxygen and grow well in high te...
Nostoc verrucosum
Nostoc verrucosum is a species of cyanobacteria usually found in colonies and in globose racks. It has a greenish to blackish color. It grows in creek beds, shallow streams, waterfalls, and moist unde...
Lyngbya
Lyngbya is a genus of cyanobacteria, unicellular autotrophs that form the basis of the oceanic food chain.Lyngbya form long, unbranching filaments inside a rigid mucilage sheath. Sheaths may form tang...
Lyngbya - Wikipedia
Anabaena circinalis
Anabaena circinalis is a species of Gram-negative, photosynthetic cyanobacteria common to freshwater environments throughout the world. Much of the scientific interest in A. circinalis owes to its p...
Anabaena circinalis - Wikipedia
Cylindrospermopsis raciborskii
Cylindrospermopsis raciborskii is a freshwater cyanobacterium.
This bacterium is an aquatic photosynthetic bacteria belonging to the phylum Cyanobacteria. They are composed of chained filaments kn...
Nostoc punctiforme
Nostoc punctiforme is a species of filamentous cyanobacteria. Under non-limiting nutritional environmental conditions, its filaments are composed of photosynthetic vegetative cells; upon nutrient limi...
Synechocystis
Synechocystis is a genus of cyanobacteria primarily represented by the strain Synechocystis sp. PCC6803. S. sp. PCC6803 lives in freshwater and is capable of both phototrophic growth by oxygenic phot...
Beta-Methylamino-L-alanine
β-Methylamino--alanine, or BMAA, is a non-proteinogenic amino acid produced by cyanobacteria.
BMAA consists of an alpha carbon with a carboxyl and amino group with a methyl amino side chain. This...
Beta-Methylamino-L-alanine - Wikipedia
Phototrophic prokaryotes
Phototrophic prokaryotes are bacteria or archaea that obtain energy from light. Phototrophic prokaryotes may utilize a variety of carbon sources, depending on the metabolic pathways available to the b...
Fenna-Matthews-Olson complex
The Fenna-Matthews-Olson (FMO) complex is a water soluble complex and was the first pigment-protein complex (PPC) to be structure analyzed by x-ray spectroscopy. It appears in green sulfur bacteria an...
Fenna-Matthews-Olson complex - Wikipedia
Cyanobacterium UCYN-A
Candidatus Atelocyanobacterium thalassa, previously cyanobacterium UCYN-A, is a species of non-photosynthetic nitrogen-fixing marine cyanobacteria that lacks the oxygen-producing photosystem II comple...
Phycobiliprotein
Phycobiliproteins are water-soluble proteins present in cyanobacteria and certain algae (rhodophytes, cryptomonads, glaucocystophytes) that capture light energy, which is then passed on to chlorophyll...
Bacterial phyla
Phylogenetic tree showing the diversity of bacteria, compared to other organisms. Eukaryotes are colored red, archaea green and bacteria blue.The bacterial phyla are the major lineages (phyla or div...
Bacterial phyla - Wikipedia
Nostoc commune var. sphaeroides
Nostoc commune var. sphaeroides is an edible cyanobacterium found in diverse habitats such as lakes and rivers. It is used as a food and nutritional supplement and has reputed pharmaceutical properti...
Cyanotoxin
Cyanotoxins are toxins produced by bacteria called cyanobacteria (also known as blue-green algae). Cyanobacteria are found almost everywhere, but particularly in lakes and in the ocean where, under ce...
Cyanotoxin - Wikipedia
Chroococcales
Chroococcales is an order of cyanobacteria in some classifications which includes the harmful algal bloom Microcystis aeruginosa. Molecular data indicate that the members of the Chroococcales may not ...
Radaisia
Radaisia is a genus of coccoid cyanobacterium comprising about 10 identified species. It is a colonial cyanobacterium, the bacteria initially forming a round to irregularly shaped flat group of gelati...
Chromatium
Chromatium is a genus of photoautotrophic Gram-negative bacteria which are found in water. The cells are straight rod-shaped or slightly curved. They belong to the purple sulfur bacteria and oxidize ...
Microcystaceae
Microcystaceae is family of cyanobacterial life which contains the harmful algal bloom Microcystis aeruginosa.
The family is characterized by single, floating cells or colonies which are embedded ...
Stigonematales
The Stigonematales are the order of cyanobacteria that includes filamentous strains that produce hormogonia and exhibit true branching. Under the more recent classification system devised by Rippka et...
Fat choy
Fat choy (Nostoc flagelliforme), also known as faat choy, fa cai, black moss, hair moss or hair weed is a terrestrial cyanobacterium (a type of photosynthetic bacteria) that is used as a vegetable in ...
Fat choy - Wikipedia
Prochloron
Prochloron (from the Greek pro (before) and the Greek chloros (green) ) is a unicellular oxygenic photosynthetic prokaryote commonly found as an extracellular symbiont on coral reefs, particularly in ...
Synechococcus
Synechococcus (from the Greek synechos (in succession) and the Greek kokkos (granule) is a unicellular cyanobacterium that is very widespread in the marine environment. Its size varies from 0.8 µ...
Synechococcus - Wikipedia
Herpetosiphonaceae
Herpetosiphonaceae is a family of bacteria in the order Herpetosiphonales.