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Cyanobacteria in water and on land identified as source of methane


Cyanobacteria, also known as blue-green algae, are among the most common organisms on Earth. A research team led by the Leibniz-Institute of Freshwater Ecology and Inland Fisheries (IGB) and Heidelberg University has now shown for the first time that Cyanobacteria produce relevant amounts of methane in oceans, inland waters and on land. Due to climate change, "Cyanobacteria blooms" increase in frequency and extent, amplifying the release of methane from inland waters and oceans to the atmosphere.

Methane generation by microorganisms is traditionally considered to take place only under strictly anoxic conditions by microbes of the domain Archaea. This assumption is ...


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