MICROBIOLOGY

• Air to pass through a red-hot tube
• Collaborations of Koch
• Alexander Fleming discovered penicillin (Penicillium notatum)
• Leeuwenhoek discovered animalcules


  1676
• Virchow stated the theory of biogenesis


  1858
• Koch discovered tubercle bacilli


  1882
• Pasteur developed rabies vaccine


  1885
• Richard Petri developed petri dish (plate)


  1886
• Bordet discovered complement


  1895
• Landsteiner discovered blood groups system


  1901
• Ehrlich developed chemotherapeutic agent for syphilis


  1910
• First edition of Bergey's manual

  1923
• Waksman discovered streptomycin


  1944
• Theiler developed yellow fever vaccine


  1951
• Electron microscope developed


  1954
• Rabies vaccine developed


  1886
• Richard Petri developed petri dish (plate)

  1890
• Bordet discovered complement


  1896
• Landsteiner discovered blood groups system


  1906
• Role of protozoa in the disease process
• The Lie developed yellow fever vaccine


  1951
• Lyme disease discovered


  1975
• Mullis developed PCR


  1986
• Chicken pox vaccine approved
• Example


  • Staphylococcus aureus or Staphylococcus aureus
• Lipid


  Major constituent; endotoxin
• Examples


  • Mycoplasma and Ureaplasma
• Gram-positive bacteria


  • Have 2 basal rings
• Gram-negative bacteria


  • Have four basal rings
• Neisseria gonorrhoeae


  • Without flagellum but with pili
• Bacteria with spores


  • Bacillus
  • Clostridium
• Terminal spore


  Clostridium tetani
• Subterminal spore


  Clostridium botulinum
• Central Spore


  Bacillus anthracis
• Prokaryotes, Eukaryotes and Archaeobacteria
• Methanogens (Methanobacterium)


  • Contain pseudomurein; obligate anaerobe
• Revolving nosepiece


  • Holds the objectives
• Other Gram-positive cells


  • Fungal elements
• Precautions during Gram staining
• Staining Procedure | MT Rodriguez