Exam 4 Flashcards
(43 cards)
What is unique to salmonella?
Capsular Vi antigen +
Is salmonella or Shigella motile?
Salmonella
What differentiates Shingella from salmonella?
Hydrogen sulfite negative for Shingella
Proteus only decarboxylates…
Ornithine
Proteus, deamination of ….
Phenylalaine and tryptophane *
Protease is H2S _____, nitrate _____, and Urease ______***
All three positive
Morganeanella is PAD ____
+
Has F1capsular antigen, safety pin shaped
Plague -Y Petis
Yersinia enteroclitoica causes…
Dyesentery
Yersinia is motile expect for _________ at ROOM TEMP, not motile at 37 (body temp)
Pestis
What is the optimal growth for Yersinia?
Room temperature, but slow growing
What produces bull’s-eye colony under the microscope? This is special to the bacteria
Yersina enterocolitica
Yersinia is decarboxylase …
Negative
Describe the growth and colonies of Yersinia
Non-hemolytic, small, pinpoint, colonies, fried egg colonies (due to viral infection???)
Serratia: red pigment producer….
Prodigiosin
Seen commonly in cystic fibrosis patients
Pseudomonas
Is bacteria has a high survival rate, and is resistant to soap and weak disinfectants
Pseudomonas
Selective media for pseudomonas
Cetrimide (acetamide)
Pseudomonas pigment….
Pyocyanin, pyocerdine, pyorubin
Associated with gastroenteritis, and is motile
Aeromonas
Bacteria that needs Cary-Blair transport medium to be transported to the lab ***
Aeromonas
Bacteria that Loves freshwater
Aeromonas
Aeromonas- CIN media: has ______ center
Pink
Aeromonas is ________ hemolytic
Beta