Microbiome (Exam 4)

Question 1

what bacteria is associated with stomach acidity

Answer 1

H. pylori note (associated with stomach ulcers and gastric cancer)

Question 2

what does H. pylori produce?

Answer 2

urease which increases PH

Question 3

what do human microorganisms produce

Answer 3

enzymes and amino acidss

Question 4

example of anti-biotic

Answer 4

lactobacillus

Question 5

definition of dysbiosis

Answer 5

“imbalance” in the gut microbial community that is associated with disease.

Question 6

what are the pro-obesity pathways

Answer 6

acetate and LPS-lipopolyscacceride (gram-negatives)

Question 7

anti-obesity pathways

Answer 7

butyrate and propionate

Question 8

beneficial gut microbes (cheat sheet)

Answer 8

-christensenella minuta
-roseburia
-bifidobacterium spp.
-Bacteroides thetaiotaomicron
-oxalobacter formigenes

Question 9

what bacteria are found on the human skin

Answer 9

Propiobacterium, Corynebacterium, and Staph

Question 10

what bacteria are found in the gut

Answer 10

Bacteroides

Question 11

what bacteria are found in the vagina

Answer 11

Lactobacillus

Question 12

what bacteria are found in the mouth

Answer 12

Streptococcus

Question 13

how long does it take for the microbiome to mature

Answer 13

one to three years

Question 14

what is depleted in the gut of autistic children

Answer 14

B. fragilis