TSI- Why oh Why?
The tribe of Enterobacteriaceae that is positive for deaminase
What is Proteae!
Endemic Cholera
Vibrio Cholerae (O1)
Non fermenters fail to ferment what substance?
Carbohydrates
This organism causes plague- usually from the bite of a flea.
What is Yersinia pestis?
The indole test detects the presence of this enzyme.
I'm the only Enterobacteriaceae that is Oxidase Positive.
What is Plesiomonas?
Undercooked hamburger ingestion, child, HUS
What is Ecoli0157H7?
Name the two pigments produced by P. aeruginosa.
Pyocyanin and Pyoverdine
Duodenal ulcers, gastric carcinoma.
What is Helicobacter pylori?
The Enterobacteriaceae all share the following characteristics. Name the one that is not listed here:
Reduce Nitrate to Nitrite
Oxidase negative (except one species)
Gram negative Rods
Facultative anaerobes, 18-24 hours growth
Grow on MacConkey
What is Glucose fermentation!
Gamma
TSI: A/A no H2SMotile: 25 degrees only
Indole: weak +
Oxidase: neg
Urea: POS
What is Yersinia enterocolitica?
Name the temperature at which Campylobacter spp. must be incubated.
42 degrees C
This test will distinguish between Acinetobacter and Stenotrophomonas sp.
DNASE or CITRATE (Steno is pos)
Name the two most common pneumonia causing pathogens in Cystic Fibrosis patients?
The H antigen is what bacterial structure.
Flagella!
K=Capsule
O=Outer membrane
Ox/Indole: NEG/NEG
TSI: K/A H2S POS
LIA: NEG/NEG/H2S POS
UREA: NEG
Motile
What is Salmonella?
This organ harbors Salmonella in carrier patients if left untreated.
Gallbladder
Newborn meningitis, caused by a nonfermenting GNR
Elizabethkingia meningoseptica!
Freshwater wound after traumatic ski accident?
Aeromonas
What is the urea breath test/urea biopsy test?
The one biochemical needed to differentiate between Morganella and Providencia.
What is Citrate (Pos in Providencia)
A beta hemolytic , oxidase positive and indole positive lactose fermenter was isolated from a patient with gastroenteritis.
What is Aeromonas
Many patients who have a tracheostomy tube in the ICU become colonized with THIS non-fermenting GNR.
Acinetobacter spp.
Appendicitis-like syndrome in adults
What is Yersinia enterocolitica?
When serotyping Salmonella, we need to remove THIS antigen by heating the organism in order to serotype the O antigen.
What is the Vi antigen?