Chapter 11b - The β(beta Proteobacteria • Often use...

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Unformatted text preview: The β (beta) Proteobacteria • Often use nutrients that diffuse away from areas of anaerobic decomposition of organic matter • Can utilize hydrogen gas, ammonia, and methane for energy • Thiobacillus – Chemoautotroph, oxidize sulfur: H 2 S → SO 4 2– • Zoogloea – Slimy masses in aerobic sewage-treatment processes The β (beta) Proteobacteria • Sphaerotilus- - Chemoheterotoph- form hollow filamentous sheaths- polar flagella - problem in sewage • Spirillum – Chemoheterotroph – Large, areobic – Helical with polar flagella • Neisseria – Chemoheterotroph – aerobic cocci – N. meningitidis • Meningococcal meningitis – N. gonorrhoeae The β (beta) Proteobacteria • Bordetella – Chemoheterotroph, aerobic rods – B. pertussis - whooping cough • Burkholderia – Previously grouped with Pseudomonas – B. cepacia • Nosocomial infections • Grow in disinfectant solutions • Metabolize respiratory secretions of cystic fibrosis patients The β (beta) Proteobacteria The...
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Chapter 11b - The β(beta Proteobacteria • Often use...

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