Taxonomy of Bacteria and Archaea

Question 1

Streptomyces

Answer 1

• Filamentous Actinobacteria
• Hyphal growth
• Produce dessication resistant spores at the tip of an elevated structure called sporophore

Question 2

Bdellovibrio

Answer 2

• Predatory Bacteria that Infect other bacterial cells and acquire nutrients from host cells.
• Gram+ bacteria not infected

Question 3

Caulobacter

Answer 3

• Stalked Bacteria
• Cell differentiation: sedentary stalked mother cell & a motile flagellated daughte cell.
• Found in aquatic environment.
• The tip of the stalk secrete the stickiest substance known.

Question 4

Chlamydia

Answer 4

Obligate intracellular bacteria
* Elementary bodies: infectious, release from host cells
* Reticulate bodies: intracellular, active growth

Question 5

5 major clades of archaea

Answer 5

• Euryarchaeota
• Nanoarchaeota
• Korarchaeota
• Crenarchaeota
• Thaumarchaeota