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Biogenic formation of amorphous carbon by anaerobic methanotrophs and select methanogens

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"Elemental carbon exists in different structural forms including graphite, diamond, fullerenes, and amorphous carbon. In nature, these materials are produced through abiotic chemical processes under high temperature and pressure but are considered generally inaccessible to biochemical synthesis or breakdown. Here, we identified and characterized elemental carbon isolated from consortia of anaerobic methanotrophic archaea (ANME) and sulfate-reducing bacteria (SRB), which together carry out the anaerobic oxidation of methane (AOM)."

"In addition, we found that select methanogens also produce amorphous carbon with similar characteristics to the carbon from AOM consortia."

More at link:

https://www.science.org/doi/10.1126/sciadv.abg9739

 

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