Euryarchaeota | archaea phylum | Britannica (original) (raw)

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classification and characteristics of archaea

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  In archaea
  …subdivisions, the Crenarchaeota and the Euryarchaeota, and one minor ancient lineage, the Korarchaeota. Other subdivisions have been proposed, including Nanoarchaeota and Thaumarchaeota.
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  In archaea: Habitats of the archaea
  In the subdivision Euryarchaeota, uncultivated organisms in deep-sea marine sediments are responsible for the removal of methane, a potent greenhouse gas, via anaerobic oxidation of methane stored in these sediments. In contrast, uncultivated methanogenic (methane-producing) euryarchaea from terrestrial anaerobic environments, such as rice fields, are estimated to generate…
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