Human Bacterial Diseases

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Human Bacterial Diseases

• Bad Bacteria

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Who do they affect?

• Bacteria cause half of all human diseases
• Bacteria are carried in air, food, water, and can
  invade wounds

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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

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Streptococcus mutans

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

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Group A beta-hemolytic Streptococcus

• Causes strep throat
• Symptoms fever, sore throat, swollen neck glands
• Inhaled or ingested
• Treated with antibiotics

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Mycobacterium tuberculosis

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

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Clostridium tetani

• Causes tetanus
• Symptoms stiff jaw, muscle spasms, paralysis
• Thru punctures and wounds
• Clean wounds/antibiotics/vaccine

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Borrelia burdorferi

• Causes Lyme disease
• Symptoms site rash, chills, body aches, joint
  swelling
• Thru tick bites
• Treated with antibiotics

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Streptococcus pneumoniae

• Causes pneumonia
• Symptoms cough, fever, weight loss, chest pain
• Inhaled
• Treated with antibiotics

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Neissereia gonorrhoeae

• Causes gonorrhea
• Symptoms open sores and painful urination
• Thru sexual contact
• Treated with antibiotics

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Treponema pallidum

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

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Bacillus anthracis

• Causes anthrax
• Symptoms rash, difficulty breathing and seeing
• Thru inhalation, ingestion, cuts/wounds
• Treated with antibiotics

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Vibrio cholerae

• Causes cholera
• Symptoms diarrhea, vomiting, dehydration
• Thru drinking contaminated water
• Treated with antibiotics

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

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

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• Bifodobacteria
• Another Probiotic same benefits as Lactobacillus

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

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

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• Lactic bacteria is used to cure Salami and
  Pepperoni