Classification of different microorganism.

1. Helpful ?
Harmful ?

2. What are
Microorganisms?

3. “Micro” means
small

4. “Organism”
means
any living thing

5. So…..
How small
is small ?

6. Microorganisms are
microscopic…
tiny living things that are
too small for the
human eye to see.

7. So where can we find
Microorganisms?

9. EVERYWHERE:
In the environment,
In our food,
Inside us!

10. Bacteria is used to ferment milk
and produce cheese.
• Are all kinds of cheese
made from the same
bacteria?
Lactococcus lactis

11. Pickles anyone ?
Microorganisms are used to make them
Lactobacilli is a bacteria that
produces lactic acid and turns
cucumbers into pickles.

12. Yeasts:
a fungus

13. The primary
function of yeast is
to supply carbon
dioxide gas which
inflates the dough
during proof and
the early stages of
baking.

14. Sauerkraut on your hotdog?
• It takes bacteria to
create this tasty
sauerkraut.
The same bacteria that makes
pickles also makes sauerkraut.

15. Sick?
How can
I Feel
better?

16. Fungi and Bacteria
are used to produce
Antibiotics.
Warning: Antibiotics
can only destroy
bacteria. Not viruses
or fungus.

17. How do we clean this up?
Oil spill…an environmental disaster!

18. Oil Eating Bacteria
THALASSOLITUUS OLEIVORANS

19. Riboflavin - made by a fungus:
• Riboflavin is a
vitamin that helps
the body function
properly. Our
body’s cells use it to
break down sugars
for energy, produce
antibodies, form
new red blood cells,
for growth, and
health.
Riboflavin in its raw form

20. Bacteria and other microbes may
also cause sickness and diseases:
• Tetanus - a
condition also
referred to as
lockjaw. It is a
bacterial infection
that affects the
nervous system.

21. Polio :
is a disease caused
by a virus.
It causes paralysis.

22. Who is
this
famous
victim of
Polio?

23. What is Meningitis?
• Meningitis refers to
inflammation (swelling)
around the brain.
• It results from an infection
by microorganisms
(bacteria or virus)

24. How do you get food poisoning?
• Bacteria such as E.Coli and
Salmonella can be found in
and on raw meats.
• Eating undercooked meat
can cause food poisoning!

25. The Irish Potato
Famine caused
1,000,000
People in Ireland
to starve to death!.

26. Cause:
• An airborne fungus (phytophthora infestans)
• Winds carried the fungus throughout the
countryside
• The fungus attacks and kills the leaves of
healthy potato plants.

27. Vibrio Cholerae
AKA: Cholera

28. Areas of red indicate a epidemic of Cholera.

29. Why do we need vaccines?
– Vaccines protect us against deadly diseases like
measles, mumps and whooping cough.
How do vaccines work?
– When you receive a vaccine, it helps your body
create antibodies. Antibodies are your body's
defensive cells that fight off any foreign substance
(germs). Sometimes your body can create
antibodies on its own. Vaccines help protect you
from dangerous & deadly diseases.
Vaccines

30. Can you guess what might be living
in this drop of pond water?

31. They are all around us, on us, and in us!
Some you can’t live with!
Some you can’t live without!
Friends or foes?
Beneficial or harmful?

32. References
• www.genome.duke.edu/.../glarchive/issue8/fungus
• www.navigantbiotech.com
• http://www.kidshealth.org/parent/infections/lung/meningitis.html
• http://www.medem.com/MedLB/article_detaillb.cfm?article_ID=ZZZ
8BK72XAC&sub_cat=24
• news.bbc.co.uk/1/hi/health/3743657.stm
• www.splammo.net/foodapplmicro/applkraut.html
• http://www.bacteriamuseum.org/educational.shtml
• www.fda.gov/oc/opacom/kids/html/vaccines.htm
• http://www.innvista.com/health/microbes/bacteria/foodprod.htm
• http://www.greatscopes.com/act010.htm
• http://www.umsl.edu/~microbes/activities.html