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.

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.