1. Prokaryotes and Viruses
Chapter 13: part 2
Prokaryotes and Viruses

2. 2nd major group of Photosynthetic Bacteria
Purple and Green Bacteria Have Unique types of Photosynthesis
Purple or green sulfur bacteria-
-Carbon dioxide + Hydrogen sulfide in the presence of light forms carbohydrate + water and sulfur p247.
Cyanobacteria-
-Carbon dioxide+ water in the presence of light form carbohydrates+ water and oxygen

3. Spiroplasmas- motile bacteria that cause stubborn disease

4. Mycoplasmalike Organisms- slow weakening

5. Mycoplasmiclike organism devestated a grove of
Coconut palms

6. Bacterial effects on Plants

7. Halophiles- salt loving Archaea

8. Methane producing archae

9. Extreme thermophiles- archaea YNP HS rich

10. General life cycle of a virus
Two stages
1. Replication inside host
2. Spread to new host

11. Tobacco Mosaic Virus

12. Wound tumor virus
Tumor produced in sweet clover

13. Electron Microscope
Tumor virus particles

14. Streaked flowers of Rembrant tulips
Viral infection eventually weakens plant