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Human Bacterial Diseases

Human Bacterial Diseases. Bad Bacteria. Who do they affect?. Bacteria cause half of all human diseases Bacteria are carried in air, food, water, and can invade wounds. How are they identified?. Bacteria are classified by shapes – spheres, rods, and spirals.

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Human Bacterial Diseases

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  1. Human Bacterial Diseases Bad Bacteria

  2. Who do they affect? • Bacteria cause half of all human diseases • Bacteria are carried in air, food, water, and can invade wounds

  3. How are they identified? • Bacteria are classified by shapes – spheres, rods, and spirals. • Bacteria cell walls are made up of different arrangements of sugars and amino acids and react differently to gram stains • Gram + stain purple and Gram – stain pink

  4. Streptococcus mutans • Causes tooth decay • Bacteria lives in mouth • Destroys enamel • Causes toothache/loss • Area removed and filled

  5. Group A beta-hemolytic Streptococcus • Causes strep throat • Symptoms: fever, sore throat, swollen neck glands • Inhaled or ingested • Treated with antibiotics

  6. Mycobacterium tuberculosis • Causes tuberculosis • Symptoms: fatigue, fever, night sweats, cough, weight loss, chest pains • Inhaled • Treated with antibiotics

  7. Clostridium tetani • Causes tetanus • Symptoms: stiff jaw, muscle spasms, paralysis • Thru punctures and wounds • Clean wounds/antibiotics/vaccine

  8. Borrelia burdorferi • Causes Lyme disease • Symptoms: site rash, chills, body aches, joint swelling • Thru tick bites • Treated with antibiotics

  9. Streptococcus pneumoniae • Causes pneumonia • Symptoms: cough, fever, weight loss, chest pain • Inhaled • Treated with antibiotics

  10. Neissereia gonorrhoeae • Causes gonorrhea • Symptoms: open sores and painful urination • Thru sexual contact • Treated with antibiotics

  11. Treponema pallidum • Causes syphilis • Symptoms: open sores, painful urination, rash, aches/pains, damage to brain and spinal cord • Thru sexual contact • Treated with antibiotics

  12. Bacillus anthracis • Causes anthrax • Symptoms: rash, difficulty breathing and seeing • Thru inhalation, ingestion, cuts/wounds • Treated with antibiotics

  13. Vibrio cholerae • Causes cholera • Symptoms: diarrhea, vomiting, dehydration • Thru drinking contaminated water • Treated with antibiotics

  14. Good Bacteria

  15. Friendly Intestinal Bacteria are called Probiotics • They help break down toxins and help build immunity • Mutualism

  16. Lactobacillus (group) • Breaks down food, absorbs nutrients, make vitamins, helps prevents bad bacteria

  17. Bifodobacteria • Another Probiotic – same benefits as Lactobacillus

  18. Rhizobia Bacteria • Converts Nitrogen into forms that Plants can use to make Proteins

  19. Staphlococcus hominis • Just 1 of the 180 species of friendly skin bacteria • It helps prevent bad Staph from attaching to your skin cells

  20. Lactic bacteria is used to cure Salami and Pepperoni

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