Microbiology : Chapter 11

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aji
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109789
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Microbiology : Chapter 11
Updated:
2011-10-18 19:51:04
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itsaji PHCC
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The Prokaryotes: Bacteria and Archaea
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  1. Largest taxonomic group of bacteria
    Phylum Proteobacteria
  2. Phylum Proteobacteria Relationship between members is based on
    rRNA sequence similarities
  3. ___ is most capable of growing at low levels of nutrients
    The Alphaproteobacteria
  4. ___ have unusual morphologies
    The Alphaproteobacteria
  5. Includes nitrogen fixers
    The Alphaproteobacteria
  6. ___ are several plant and animal pathogens
    The Alphaproteobacteria
  7. Intracellular human parasite
    Rickettsia
  8. ___ Produce acetic acid from alcohol
    Acetobacter and Gluconobacter
  9. Grow in soil, using nutrients excreted by plants & Fix nitrogen
    Azospirillum
  10. ___ Fix nitrogen in the roots of plants
    Rhizobium
  11. Agrobacterium
    Insert a plasmid into plant cells, inducing a tumor
  12. Alphaproteobacteria (gram -tive)
    • Azo spirillum
    • Agro bacterium.
    • Ace tobacter
    • Rick ettsia
    • Rhiz obium
    • Gluco nobacter
  13. Often use nutrients of anaerobic decomposition such as ammonium, Hydrogen gas, and methane
    The Betaproteobacteria
  14. ___ Has Several important pathogens in this group
    The Betaproteobacteria
  15. Thiobacillus is a chemoautotrophic which oxidize ___
    sulfur: H2S -> SO4
  16. ___ is a chemoheterotophic which form sheaths
    Sphaerotilus
  17. Genus Spirillum (Helical)

  18. Causes gonorrhea
    Genus Neiserria (Human pathogen)

  19. Cause whooping cough
    The Betaproteobacteria (Chemoheterotrophic, rods)
  20. 5 Betaproteobacteria are
    • Thi obacillus
    • Spha erotilus
    • Spiri llum
    • Neiserria
    • Bordetella
  21. This is the largest subgroup of proteobacteria.There are a wide variety of physiological types including many pathogens
    The Gammaproteobacteria
  22. Pseudomonadales - Pseudomonas, Azotobacter and Azomonas
  23. Vibrionales
  24. ___ causes cholera
    Vibrio cholerae
  25. ___causes gastroenteritis
    V. Parahaemolyticus
  26. Legionellales
  27. Found in streams, warm-water pipes, cooling towers
    Legionella
  28. Q fever transmitted via aerosols or milk
    Coxiella
  29. Enterobacteriales
    • Ent erobacter
    • Erw inia
    • Esc herichia
    • Kle bsiella
    • Pro teus
    • Sal monella
    • Serra tia
    • Shig ella
    • Yer sinia
  30. Pseudomonas are
    • Azotobacter
    • Azomonas.
    • Moraxella
  31. Legionellales
    • Legionella
    • Coxiella
  32. ___ Contains bacteria that are predators of other bacteria, Sulfur reducers
    The Deltaproteobacteria
  33. ___ Involved in Earth’s “Sulfur cycle”
    Order Desulfovibrionales
  34. Order Desulfovibrionales
    Members are sulfur reducing bacteria
  35. ___ found in human intestines & anaerobic sediments
    Genus Desulfovibrio
  36. Obligate anaerobes producing H2S gas
    Order Desulfovibrionales
  37. Prey on other bacteria
    Bdellovibrio
  38. Helical or vibroid, Gram-negative rods
    motile by flagella
    microaerophillic
    The Epsilonproteobacteria


  39. Multiple flagella, Causes Peptic ulcers, Stomach cancer
    Helicobacter
  40. One polar flagellum - Gastroenteritis
    Campylobacter
  41. Oxygenic photosynthesis
    2H2O+CO2 -light-> CH20+H2O+O2
    Produces Oxygen (O2)
  42. Anoxygenic photosynthesis
    2H2S+CO2 -light-> CH20+H2O+2S0
    Produces gases other than O2
  43. A bacteria known as Algea for long time
    Cyanobacteria
  44. Purple sulfur
    Purple nonsulfur
    Green sulfur
    Green nonsulfur
    Anoxygenic Photosynthetic Bacteria

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