《微生物学 Microbiology》课程PPT教学课件（英文版）domains bacteria archaea 3/5

Chapter 11,part C The Prokaryotes: Domains Bacteria and Archaea

Copyright © 2004 Pearson Education, Inc., publishing as Benjamin Cummings B.E Pruitt & Jane J. Stein Chapter 11, part C The Prokaryotes: Domains Bacteria and Archaea

The 8 (delta)Proteobacteria 8-proteobacteria Anaerobic Aerobic Desulfovibrio Predator Gliding Bdellovibrio Mycococcus

The  (delta) Proteobacteria

The 8 (delta)Proteobacteria Bdellovibrio.Prey on other bacteria 。 Desulfovibrionales.Use S instead of O2 as final electron acceptor Myxococcales.Gliding.Cells aggregate to form myxospores

• Bdellovibrio. Prey on other bacteria • Desulfovibrionales. Use S instead of O2 as final electron acceptor • Myxococcales. Gliding. Cells aggregate to form myxospores The  (delta) Proteobacteria

The 8 (delta)Proteobacteria Myxococcus bacteria Slime trails Figure 11.10a

The  (delta) Proteobacteria Figure 11.10a

The 8 (delta)Proteobacteria (b)Myxobacterium with fruiting bodies that contain myxospores Figure 11.1b

The  (delta) Proteobacteria Figure 11.1b

The s (epsilon)Proteobacteria E-proteobacteria Polar flagella Peritrichous flagella Campylobacter Helicobacter

The  (epsilon) Proteobacteria

The s (epsilon)Proteobacteria Slime layer 。Campylobacter 。One polar flagellum 。Gastroenteritis (a)Rickettsia Figure 11.1a

• Campylobacter • One polar flagellum • Gastroenteritis The  (epsilon) Proteobacteria Figure 11.1a

The s (epsilon)Proteobacteria Scattered 。Helicobacter rickettsias Chicken embryo cell ·Multiple flagella Nucleus 。Peptic ulcers ·Stomach cancer Masses of rickettsia in nucleus (b)Rickettsias in chicken embryo cell Figure 11.1b

• Helicobacter • Multiple flagella • Peptic ulcers • Stomach cancer The  (epsilon) Proteobacteria Figure 11.1b

The Nonproteobacteria Gram-Negative Bacteria Gram-negative nonproteobacteria Anoxygenic photoautotrophs Oxygenic Chemoheterotrophs Chlorobi photoautotrophs Cyanobacteria Motile Nonmotile Possess Gilding Intracellular Not axial filament parasites intracellular Spirochetes Cytophaga Chlamydia Pointed Not pointed rods rods Fusobacteria Bacteroidetes

The Nonproteobacteria Gram-Negative Bacteria

Cyanobacteria Oxygenic photosynthesis 。Gliding motility 。Fix nitrogen

• Oxygenic photosynthesis • Gliding motility • Fix nitrogen Cyanobacteria