Deeply branching bacteria

Definition

Deeply branching bacteria are a group of bacteria that occupy the earliest branches of the phylogenetic tree. They thrive in extreme environments and provide insights into early life on Earth.

5 Must Know Facts For Your Next Test

1. Deeply branching bacteria are considered some of the most ancient forms of life.
2. They thrive in extreme conditions such as high radiation, temperature, and acidity.
3. Members of this group include genera like Thermotoga and Aquifex.
4. These bacteria are important for studying evolutionary biology and the origins of life.
5. Their unique adaptations allow them to survive in environments that are inhospitable to most other life forms.

Review Questions

• What are deeply branching bacteria and why are they significant?
• Name two genera that belong to the deeply branching bacteria group.
• In what types of extreme environments can deeply branching bacteria be found?

Related terms

Phylogenetic Tree: A diagram that represents evolutionary relationships among organisms.

Extremophiles: Organisms that thrive in extreme environmental conditions.

Thermotoga: A genus of deeply branching bacteria known for surviving high temperatures.