Physiology and Biochemistry of Methane-Producing (Methanogenic) Bacteria
Only some species of bacteria and a few protozoa can live permanently in the absence of oxygen. If a habitat is rich in biodegradable organic compounds, a nitrogen source and other essential elements, but lacks oxygen, (for example the mud at the bottom of a lake) then an anaerobic microbial population will develop that may contain methanogenic bacteria. Not all such environments are suitable for methanogens. If high concentrations of sulphate or oxidized nitrogen compounds are present, different anaerobes will predominate which under these conditions have a selective advantage over methanogens.
KeywordsMethanogenic Bacterium Adenine Nucleotide Translocase Methanosarcina Barkeri Methanobacterium Thermoautotrophicum Green Photosynthetic Bacterium
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