Cyanobacteria (Greek: κυανοs = blue) are a phylum (or "division") of Bacteria that obtain their energy through photosynthesis. They are often referred to as blue-green algae, even though it is now known that they are not algae. Nonetheless, the description is still sometimes used to reflect their appearance and ecological role. Fossil traces of cyanobacteria have been found from around 3.8 billion years ago (b.y.a.). See: Stromatolite. As soon as these blue-green bacteria evolved, they became the dominant metabolism for producing fixed carbon in the form of sugars from carbon dioxide. Cyanobacteria are now one of the largest and most important groups of bacteria on earth.

Forms

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Cyanobacteria include unicellular, colonial, and filamentous forms. Some filamentous cyanophytes form differentiated cells, called heterocysts, that are specialized for nitrogen fixation, and resting or spore cells called akinetes. Each individual cell typically has a thick, gelatinous cell wall, which stains gram-negative. The cyanophytes lack flagella, but may move about by gliding along surfaces. Most are found in fresh water, while others are marine, occur in damp soil, or even temporarily moistened rocks in deserts. A few are endosymbionts in lichens, plants, various protists, or sponges and provide energy for the host. Some live in the fur of sloths, providing a form of camouflage.

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http://twitter.com/mzindependent7 what a shame.. one of the most pinturesque lakes in the world has cyanobacteria.. pfff.. Lake Atitlan.
lakeatitlan (lakeatitlan) Thu, 24 Dec 2009 10:11:01 -0000
http://twitter.com/mzindependent7 what a shame.. one of the most pinturesque lakes in the world has cyanobacteria.. pfff.. Lake Atitlan.
what a shame.. one of the most pinturesque lakes in the world has cyanobacteria.. pfff.. Lake Atitlan.
mzindependent7 (Rachel) Thu, 24 Dec 2009 08:56:32 -0000
what a shame.. one of the most pinturesque lakes in the world has cyanobacteria.. pfff.. Lake Atitlan.
ISobutanol. http://www.alfilodelaciencia.es/2009/12/isobutanol-gracias-a-la-cyanobacteria/
afdlc (Filo de la Ciencia) Thu, 24 Dec 2009 01:46:29 -0000
ISobutanol. http://www.alfilodelaciencia.es/2009/12/isobutanol-gracias-a-la-cyanobacteria/
Study on cyanobacteria helps understand anesthetic actions: Experiments in one of the oldest forms of life on Earth... http://bit.ly/5IrPqp
Erchonia (Erchonia) Wed, 23 Dec 2009 09:31:38 -0000
Study on cyanobacteria helps understand anesthetic actions: Experiments in one of the oldest forms of life on Earth... http://bit.ly/5IrPqp
Study on cyanobacteria helps understand anesthetic actions: Experiments in one of the oldest forms of life on Earth... http://bit.ly/5IrPqp
w23peace (Alinda K. Williams) Wed, 23 Dec 2009 09:31:37 -0000
Study on cyanobacteria helps understand anesthetic actions: Experiments in one of the oldest forms of life on Earth... http://bit.ly/5IrPqp
Study on cyanobacteria helps understand anesthetic actions: Experiments in one of the oldest forms of life on Earth... http://bit.ly/5IrPqp
NewsMedical (News-Medical.Net) Wed, 23 Dec 2009 09:31:37 -0000
Study on cyanobacteria helps understand anesthetic actions: Experiments in one of the oldest forms of life on Earth... http://bit.ly/5IrPqp

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