Human microbiome

Question 1

explain concepts of taxonomic and genetic diversity

Answer 1

Taxonomic diversity refers to the diverse population of bacterial species making up the microbiome. It is great due to large varity of bacteria.
Genetic microbiome rfers to the number of unique protein encoding genes in the microbiome. It is generally low in healty individuals

Question 2

concept of core microbiome

Answer 2

individual species of bacteria present in most indivudals on specific body sites. It usually consists of a small number of species but rperesnets a large part of the population

Question 3

staphylococcus epidermidis

Answer 3

gram positive cocci found on conjuctiva, skin, nasopharynx

Question 4

diphteroids info and location on body

Answer 4

gram positive bacterium rods (bacilli) found on the skin

Question 5

Propionibacterium spp. info and location

Answer 5

gram positive bacilli found on the skin

Question 6

viridans streptococci info and location

Answer 6

gram positive cocci found in mouth and oropharynx and nasopharynx

Question 7

Staphylococcus aureus info and location

Answer 7

gram positive cocci found in the nasopharynx

Question 8

Lactobacillus spp. info and location

Answer 8

rod shaped gram positive, facultative anaerobic, found in colon, external genitalia, anterior urethra, and vagina. It maintains a low pH of around 5, at which yeast cannot grow.

Question 9

colon flora

Answer 9

anaerobes, coliforms, peptostreptococci, enterococci, yeast, lactobacillus spp

Question 10

external genitalia and urethrea flora

Answer 10

lactobacillus spp, skin flora, anaerobes

Question 11

mouth and oropharynx flora

Answer 11

viridans streptococci, non pathogenic Neisseria spp, anaerobes and yeast.

Question 12

term for disruption of normal microflora

Answer 12

dysbiosis