Oxygen and the Growth of Bacteria

source: http://en.wikipedia.org/wiki/Anaerobic_organism



PICTURE ABOVE DEFINED:
  1. OBLIGATED AEROBES
  2. OBLIGATED ANAEROBES
  3. FACULTATIVE ANAEROBES
  4. MICROAEROPHILE
  5. AEROTOLERANT ANAEROBE
MY BULLETS POINTS:

OBLIGATED AEROBES
  1. OXYGEN REQUIRED
    1. ONLY AEROBIC
  2. ONLY TOP OF TUBE
  3. HIGH CONCENTRATION OF OXYGEN
  4. CONTAIN ENYZYMES CATALASE AND SUPEROXIDE DISMUTASE
    1. NEUTRALIZES TOXIC OXYGEN
  5. CAN USE OXYGEN
MICROAEROPHILES
  1. OXYGEN REQUIRED
    1. ONLY AEROBIC
  2. MIDDLE OF TUBE
  3. LOW CONCENTRATION OF OXYGEN
  4. PRODUCE LETHAL RADICALS IN RICH OXYGEN CONCENTRATION
  5. CAN USE SMALL DOSE OF OXYGEN
FACULTATIVE ANAEROBES
  1. GREATER GROWTH WITH OXYGEN
    1. BOTH AEROBIC AND ANAEROBIC
  2. DISPERSETHROUGH OUT TUBE BUT MOSTLY AT TOP
  3. BEST AT HIGH CONCENTRATION
  4. CONTAIN ENYZYMES CATALASE AND SUPEROXIDE DISMUTASE
    1. NEUTRALIZE TOXIC OXYGEN
  5. CAN USE OXYGEN
 OBLIGATED ANAEROBES
  1. DOESN'T GROW WITH OXYGEN
    1. ONLY ANAEROBIC
  2. ONLY AT BOTTOM OF TUBE
  3. NO CONCENTRATION OF OXYGEN
  4. LACK ENZYMES
  5. CAN'T TOLERATE OXYGEN
AEROTOLERANT ANAEROBES (NOT MENTION IN PICTURE ABOVE)
  1. CONTINUES GROWTH IN OXYGEN
    1. ONLY ANAEROBIC
  2. DISPERSE EVENLY THROUGH OUT TUBE
  3. OXYGEN CONCENTRATION PRESENT
  4. CONTAIN ENYZYMES CATALASE AND SUPEROXIDE DISMUTASE
    1. NEUTRALIZE TOXIC OXYGEN
  5. TOLERATES OXYGEN
SO WHAT'S THE DIFFERENCE BETWEEN FALCULTATIVE ANAEROBES AND AEROTOLERANT ANAEROBES?
 -FALCULTATIVE ANAEROBES CAN USE OXYGEN TO GROW WHILE AEROTOLERANT ANAEROBES DON'T USE IT AT ALL.

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