Thaumarchaeota

Definition

Thaumarchaeota is a phylum of the domain Archaea, recognized for its role in ammonia oxidation. These microorganisms are crucial in nitrogen cycling and are found in a variety of environments from soil to marine ecosystems.

5 Must Know Facts For Your Next Test

1. Thaumarchaeota are chemolithoautotrophs, using inorganic compounds as an energy source.
2. They play a significant role in the global nitrogen cycle by oxidizing ammonia to nitrite.
3. Thaumarchaeota have been found in diverse environments, including extreme habitats like hot springs and deep-sea vents.
4. The phylum was first recognized based on genetic sequencing that revealed distinct evolutionary lineages within Archaea.
5. Members of Thaumarchaeota possess unique membrane lipids called crenarchaeol.

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Related terms

Archaea:

A domain of single-celled microorganisms that are distinct from bacteria and eukaryotes.

Nitrogen Cycle:

The biogeochemical cycle through which nitrogen is converted into various chemical forms as it circulates among the atmosphere, terrestrial, and marine ecosystems.

Chemolithoautotrophs: Microorganisms that obtain energy by oxidizing inorganic substances and use carbon dioxide as their carbon source.