Title: Archaea | Microbiology
Headings: Archaea
Archaea
Learning Objectives
Crenarchaeota
Think about It
Euryarchaeota
Think about It
Finding a Link Between Archaea and Disease
Key Concepts and Summary
Multiple Choice
Fill in the Blank
Think about It

Content: It oxidizes sulfur and produces sulfuric acid. ________ was once thought to be the cause of periodontal disease, but, more recently, the causal relationship between this archaean and the disease was not confirmed. Show Answer
Methanobrevibacter oralis was once thought to be the cause of periodontal disease, but, more recently, the causal relationship between this archaean and the disease was not confirmed. Think about It
What accounts for the purple color in salt ponds inhabited by halophilic archaea? What evidence supports the hypothesis that some archaea live on Mars? What is the connection between this methane bog and archaea? (credit: Chad Skeers)
E. Blochl et al." Pyrolobus fumani, gen. and sp.