1. BACTERIA

2. Bacteria: the good, the bad, and the ugly
Some bacteria are pathogens (disease causing)
Breaking down body tissues
Others are beneficial
Aiding digestion; fixing nitrogen

3. Diseases Caused by Bacteria
Cholera
Typhoid Fever
Botulism
Strep Throat
Tuberculosis
Bubonic plague
Dental Cavities
Anthrax
Lyme Disease
E. Coli
Diphtheria
Salmonella

4. Suspect: Mycobacterium tuberculosis
Disease: Tuberculosis (TB) is a potentially serious infectious disease that mainly affects your lungs.
Symptoms may include:
Chronic coughing
Coughing up blood
Difficulty breathing
Fever, chills, night sweats, fatigues, weight loss

5. Suspect: Clostridium tetani
Disease: Tetanus
 Also known as lockjaw, is an infection characterized by muscle spasms
Symptoms: muscle spasms, muscle rigidity, facial muscle spasms, or stiff muscles

6. Suspect: Corynebacterium diphtheriae
Disease: Diphtheria
Upper respiratory tract illness
Symptoms: difficulty swallowing, soreness, rashes or ulcers in skin, impaired voice, shortness of breath, fever, chills

7. Suspect: Vibrio cholerae
Disease: Cholera
A bacterial disease causing severe diarrhea and dehydration, usually spread in water
Symptoms: severe diarrhea, severe vomiting, dehydration, pain in rectum or abdomen

8. How do we prevent & treat bacterial infections?
Proper food handling (can help PREVENT an infection from food-borne illness)
Keep food in cool, dry location
Cook properly
Wash hands thoroughly when handling raw meat

9. How do we prevent & treat bacterial infections?
Vaccines can help PREVENT an infection
Tuberculosis
Diphtheria
Tetanus
Pertussis

10. How do we prevent & treat bacterial infections?
Your body has an immune system response just like during a viral infection

11. How do we prevent & treat bacterial infections?
Antibiotics can help TREAT an existing infection
Penicillin
Azithromycin
Ciprofloxacin
Amoxicillin

12. How do antibiotics work?
Antibiotics only work on bacteria (NOT viruses)
They may kill or inhibit the growth of bacteria

13. If we made drugs (antibiotics) to kill bacteria, why are there still so many disease causing bacteria?

14. Antibiotic Resistance
Video:
Bacteria are continually adapting to develop ways of not being killed by antibiotics through mutation.
Antibiotic resistance arises in our bodies’ bacteria, or in animals, due to the overuse and misuse of antibiotics.

15. MRSA Methicillin Resistance Staphylococcus aureus
Methicillin-resistant Staphylococcus aureus is a bacterium responsible for several difficult-to-treat infections in humans.
Source: Mayo clinic

16. MRSA

17. Some bacteria are helpful!

18. What is Nitrogen Fixation?
Bacteria that live in the soil help “fix” nitrogen- making it easier to absorb by plants.
These bacteria change N2 (non-usable form) into NH4+ (ammonium) which is usable to plants
What is Nitrogen Fixation?

19. Bacteria Komodo Dragon – Bacteria on it’s tongue
Flashlight fish lit up because of bacteria
Monsters Inside Me – Flesh Eating Bacteria
Monsters Inside Me – Lung Infection Bacteria
Monsters Inside Me – Chromobacterium

20. Let’s put it all together! Viruses, Protists, Bacteria