🦠microbiology review

Sulfolobus

Written by the Fiveable Content Team • Last updated August 2025
Written by the Fiveable Content Team • Last updated August 2025

Definition

Sulfolobus is a genus of archaeal microorganisms that thrive in acidic and high-temperature environments, such as hot springs. They are known for their ability to metabolize sulfur and gain energy from oxidation processes.

5 Must Know Facts For Your Next Test

  1. Sulfolobus species are thermophiles, meaning they grow optimally at temperatures around 70-80°C.
  2. They are acidophiles, thriving in environments with pH levels ranging from 2 to 3.
  3. Sulfolobus can oxidize sulfur or metal sulfides to obtain energy, which is crucial for their survival in extreme conditions.
  4. The genome of Sulfolobus has been extensively studied for insights into extremophile adaptations and archaeal biology.
  5. Sulfolobus contributes to biogeochemical cycles, particularly the sulfur cycle, by converting sulfur compounds in extreme environments.
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