09 helpful and harmful bacteria

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09 helpful and harmful bacteria

  1. 1. Bacteria Helpful and Harmful
  2. 2. Kingdom Bacteria <ul><li>Beneficial Bacteria </li></ul><ul><li>Nitrogen cycle: bacteria critical to soil fertility, converts ammonia to usable compounds: </li></ul><ul><li>ammonia  nitrite  nitrate </li></ul><ul><li>Certain bacteria makes foods edible: </li></ul><ul><ul><li>vinegar, butter, cheese, yogurt, and sour-dough bread </li></ul></ul><ul><li>Bacteria in Industry </li></ul><ul><li>Bacteria used in sewage treatment, odor control, and septic tank maintenance: </li></ul><ul><li>digests organic matter and waste </li></ul>
  3. 3. Bacteria in Disease Tuberculosis Lysteriosis Lyme disease Meningitis Gonorrhea <ul><li>Streptococcus mutans  tooth decay </li></ul><ul><li>Clostridium botulinum  food poisoning </li></ul><ul><li>Treponema pallidum  syphilis </li></ul>
  4. 4. Lysteriosis- Listeria monocytogenes Gram positive stain <ul><li>Rare </li></ul><ul><li>Affects infants, elderly, people that have their immune system compromised (AIDS) </li></ul><ul><li>Vomit, nausea, headaches, fever, chills, diarrhea, loss of balance and convulsions. </li></ul><ul><li>Causes: Contaminated meat, dairy, fish and vegetable products </li></ul>
  5. 5. Lyme Disease – Borrelia burgdorferi Gram Negative Stain <ul><li>Spread by tick bites </li></ul><ul><li>Europe, Asia and North America </li></ul><ul><li>Bacteria is carried in mice, tick bites mouse. Bacteria transferred to tick, tick then bites human </li></ul><ul><li>Fatigue, chills, fever, headache, </li></ul><ul><li>muscle and joint pain </li></ul><ul><li>If left untreated, CNS disorders, </li></ul><ul><li>skin rashes, arthritis, extreme </li></ul><ul><li>fatigue </li></ul><ul><li>Antibiotics can treat lyme disease </li></ul>
  6. 6. Gonorrhea – Neisseria gonorrhoeae Gram negative stain <ul><li>STD </li></ul><ul><li>Painful urination in men </li></ul><ul><li>Women usually don’t have any symptoms </li></ul><ul><li>If left untreated, can cause pelvic inflammatory disease in women (can lead to infertility) </li></ul><ul><li>Antibiotics treats gonorrhea </li></ul><ul><li>Mother can pass it to child through birth canal. </li></ul><ul><ul><li>Can cause blindness, joint infection and blood infection to baby </li></ul></ul>
  7. 7. Meningitis – Neisseria meningitis Gram negative <ul><li>Inflammation of the protective </li></ul><ul><li>Membranes of the brain </li></ul><ul><li>-High fever, sore and stiff neck </li></ul><ul><li>-antibiotics </li></ul>
  8. 8. Bubonic Plague <ul><li>Bubonic Plague Clip </li></ul><ul><li>Penicillin </li></ul><ul><li>Talking Bacteria </li></ul>

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