LAB 37: EnteroPluri-Test

Question 1

what does the positive result look like in glucose?

Answer 1

yellow agar with small bubbles for glucose fermentation and gas production

Question 2

lysine and ornithine positive result looks like?

Answer 2

purple agar for decarboxylation

Question 3

H2S and Indole positive result looks like?

Answer 3

read all other results and then this one. Poke hole and adding solution and positive result will create bright red reagent

Question 4

Adonitol, lactose, arabinose, and Sorbitol positive results look like?

Answer 4

yellow agar for fermentation of sugars

Question 5

Voges-Proskauer positive results?

Answer 5

only used in certain situations

Question 6

Dulcitol/phenylalanine positive results?

Answer 6

yellow agar is positive for dulcitol (fermentation of sugar),
black/smoky gray is positive for phenylalanine (deamination)

Question 7

urea positive results look like?

Answer 7

pink agar (presence of urease)

Question 8

citrate positive results look like?

Answer 8

blue agar

Question 9

what are the possible microbes that we looked for?

Answer 9

E.coli (this was our unknown)
Enterobacter aerogenes
Proteus vulgaris
Serratia maracescens