The Human Microbiome

What are cells made up of?

• Moles

• Molecules

• Bacteria

Tags

NGSS.MS-LS1-1

Why do the mice with the Low-Gut Bacteria all get sick?

What does this evidence tell us? Week 7 is the one on left and week 9 is the one on the right.

• C. difficile was found in week 7

• There is all bad bacteria in the gut

• The patient was feeling well in week 7

Which is the harmful bacteria?(REMEMBER WE LEARNED ABOUT HOW A CERTAIN BACTERIA CAUSES FOOD POISONING)

• Salmonella

• Prevotellaceae

• b. animalis

• b. fragilis

Why can I not see the bacteria in day 5 on a petri dish but I can on day 9?

• The bacteria is invisible

• The bacteria is not there.

• The bacteria is not "big" enough to see yet because it has not multiplied on day 5.

What do antibiotics do?

• They kill bad bacteria

• They kill good bacteria

• They kill good and bad bacteria

• They get

Scenario: If there was a patient that had normal gut bacteria and they were to ingest(eat) salmonella bacteria, what are their chances of getting REALLY sick?

• Very likely because it is a harmful bacteria so it can grow faster in the gut.

• Not as likely because the patient has normal gut bacteria so there is less space for the harmful bacteria to grow.

How small are microorganism’s?

• Small

• very small

• They microscopic that they can't be seen with the naked eye. They are measured in micrometers and even in nanometers. There are 100 trillion microorganisms in our body!

What do feces contain?

• Bugs

• Salmonella

• Microorganisms

What is a fecal transplant?

• Taking feces from a healthy gut and putting it into a unhealthy gut

• It is a transplant to put a body part into an unhealthy person

• To put BAD bacteria into a healthy persons gut