1. Copyright © 2004 Pearson Education, Inc., publishing as Benjamin Cummings PowerPoint ® Lecture Slide Presentation prepared by Christine L. Case Microbiology B.E Pruitt & Jane J. Stein AN INTRODUCTION EIGHTH EDITION TORTORA FUNKE CASE Chapter 11, part B The Prokaryotes: Domains Bacteria and Archaea

2. Copyright © 2004 Pearson Education, Inc., publishing as Benjamin Cummings The  (beta) Proteobacteria

3. Copyright © 2004 Pearson Education, Inc., publishing as Benjamin Cummings Thiobacillus Sulfur-oxidizing bacteria Chemoautotrophic, oxidize sulfur: S or H 2 S  SO 4 2– Sphaerotilus Chemoheterotophic, form sheaths in which to live (protective and aid in nutrient accumulation) Fresh water and sewage The  (beta) Proteobacteria Figure 11.5

4. Copyright © 2004 Pearson Education, Inc., publishing as Benjamin Cummings Neisseria Chemoheterotrophic, cocci Inhabit the mucous membranes of mammals N. meningitidis (السيلان) N. gonorrhoeae التهاب) السحايا) Spirillum Chemoheterotrophic, helical, fresh water Motile by polar flagella, rather than axial filaments (spirochetes) Relatively large, aerobic. The  (beta) Proteobacteria Figure 11.4 & 6

5. Copyright © 2004 Pearson Education, Inc., publishing as Benjamin Cummings Bordetella Chemoheterotrophic, rods, nonmotile, aerobic B. pertussis serious pathogen: pertussis or whooping cough (سعال ضخم) Burkholderia. Like pseudomonads, motile by single polar flagellum or tuft of flagella Burkholderia cepacia has extraordinary nutritional spectrum Nosocomial infections, May grow in the disinfectant solutions Problem for cystic fibrosis Zoogloea. Slimy masses in aerobic sewage-treatment processes The  (beta) Proteobacteria

6. Copyright © 2004 Pearson Education, Inc., publishing as Benjamin Cummings The  (gamma) Proteobacteria

7. Copyright © 2004 Pearson Education, Inc., publishing as Benjamin Cummings Pseudomonadales (order): Pseudomonas Opportunistic pathogens (aeruginosa) Metabolically diverse Polar flagella Azotobacter and Azomonas.Nitrogen fixing Moraxella. coccobacilli (Moraxella lacunata) Conjunctivitis (الرمد) The  (gamma) Proteobacteria Figure 11.7

8. Copyright © 2004 Pearson Education, Inc., publishing as Benjamin Cummings Legionellales (order): Legionella Found in streams, warm-water pipes, cooling towers L. pneumophilia pneumonia now known as legionellosis Coxiella (Coxiella burnetii) Q fever transmitted via aerosols or milk The  (gamma) Proteobacteria Figure 24.15b

9. Copyright © 2004 Pearson Education, Inc., publishing as Benjamin Cummings Vibrionales: (order) Found in coastal water Vibrio cholerae causes cholera V. parahaemolyticus causes gastroenteritis The  (gamma) Proteobacteria Figure 11.8

10. Copyright © 2004 Pearson Education, Inc., publishing as Benjamin Cummings The  (gamma) Proteobacteria Enterobacteriales (enterics): (order) Peritrichous flagella, facultatively anaerobic Straight rods Inhabit the intestinal tracts of humans and other animals Enterobacter, Erwinia, Escherichia (diarrhea) Klebsiella (pneumonia), Proteus, Salmonella (fever, salmonellosis) Serratia, Shigella (dysentery), Yersinia The  (gamma) Proteobacteria

11. Copyright © 2004 Pearson Education, Inc., publishing as Benjamin Cummings The  (gamma) Proteobacteria Figure 11.9a, b

12. Copyright © 2004 Pearson Education, Inc., publishing as Benjamin Cummings Pasteurellales: (order) Pasteurella Cause pneumonia and septicemia can be transmitted to humans by dog and cat bites (Pasteurella multocida) Haemophilus (Haemophillus influenzae) Require X (heme) and V (NAD +, NADP + ) factors Meningitis in young children and is a frequent cause of earaches Septic arthritis in children, bronchitis, and pneumonia The  (gamma) Proteobacteria

13. Copyright © 2004 Pearson Education, Inc., publishing as Benjamin Cummings Thiotrichales: (order) Beggiatoa Chemoautotrophic, oxidize H 2 S to S 0 for energy Francisella Chemoheterotrophic, tularemia (حمي الأرانب) The  (gamma) Proteobacteria