The Prokaryotes: Domains Bacteria and Archaea

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Copyright © 2004 Pearson Education, Inc., publishing as Benjamin Cummings PowerPoint ® Lecture Slide Presentation prepared by Christine L. Case Microbiology.
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Presentation transcript:

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

The  (beta) Proteobacteria

The  (beta) Proteobacteria Thiobacillus Chemoautotrophic, oxidize sulfur: H2S  SO42– Sphaerotilus Chemoheterotophic, form sheaths Figure 11.5

The  (beta) Proteobacteria Neisseria Chemoheterotrophic, cocci N. meningitidis N. gonorrhoeae Spirillum Chemoheterotrophic, helical Figure 11.4 & 6

The  (beta) Proteobacteria Bordetella Chemoheterotrophic, rods B. pertussis Burkholderia. Nosocomial infections Zoogloea. Slimy masses in aerobic sewage-treatment processes

The  (gamma) Proteobacteria

The  (gamma) Proteobacteria Pseudomonadales: Pseudomonas Opportunistic pathogens Metabolically diverse Polar flagella Azotobacter and Azomonas. Nitrogen fixing Moraxella. Conjunctivitis Figure 11.7

The  (gamma) Proteobacteria Legionellales: Legionella Found in streams, warm-water pipes, cooling towers L. pneumophilia Coxiella Q fever transmitted via aerosols or milk Figure 24.15b

The  (gamma) Proteobacteria Vibrionales: Found in coastal water Vibrio cholerae causes cholera V. parahaemolyticus causes gastroenteritis Figure 11.8

The  (gamma) Proteobacteria Enterobacteriales (enterics): Peritrichous flagella, facultatively anaerobic Enterobacter Erwinia Escherichia Klebsiella Proteus Salmonella Serratia Shigella Yersinia

The  (gamma) Proteobacteria Figure 11.9a, b

The  (gamma) Proteobacteria Pasteurellales: Pasteurella Cause pneumonia and septicemia Haemophilus Require X (heme) and V (NAD+, NADP+) factors

The  (gamma) Proteobacteria Beggiatoa Chemoautotrophic, oxidize H2S to S0 for energy Francisella Chemoheterotrophic, tularemia

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