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41 Cards in this Set

  • Front
  • Back
Phe Neg
E. coli
Klebsiella
Enterobacter
Serratia
Citrobacter
Phe +
Proteus
Morganella
Providencia
If PHE is +, the organism can only be:
providencia, morganella, proteus
VP NEG
E.coli
Citrobacter
Proteus 50%
Morganella
Providencia
VP Pos
Klebsiella
Enterobacter
Serratia
If an organism is VP pos, it can only be
Klebsiella
Enterobacter
Serratia
A/Ag TSI(nonalternate)
E. coli
Klebsiella
Enterobacter
Citrobacter koseri
A/A TSI (nonalt)
Serratia
Yersinia enterocolitica
H2S producers
Citrobacter freundii
Proteus mirabilis and vulgaris
Edwardsiella
Salmonella
TSI reaction of Citrobacter freundii (non alt and alternate)
A/AH2S no gas

K/A H2S no gas
TSI reaction of Citrobacter koseri (non alt and alternate)
A/A no gasK/A no gas
of C. freundii and C. koseri, which has H2S?
C. freundii
TSI reaction of Proteus mirabilis (non alt and alternate)
K/A H2S no gas
TSI reaction of Proteus vulgaris (no alternate
A/AH2S no gas
Which organisms are K/A for TSI (non alternate)
Morganella and Providencia
Shigella
which organisms can be either K/A or K/Aslg?
Morganella and Providencia
What are alternate TSI reactions of Serratia?
A/Aslg
K/A
What are alternate TSI reactions of Enterobacter?
A/Aslg
K/Ag
Which organisms are Urea 0--> 1+?
Enterobacter
Serratia
Citrobacter
Yersinia enterocolitica
which organisms are 3-->4+ urea?
proteus
morganella
Which organism is 0-->4+ urea?
Providencia
which organism is urea negative?
e. coli
which organism is 1->2+ urea?
klebsiella
What is the ONLY non-motile enterobacteria?
KLEBSIELLA
Is serratia motile or nonmotile?
MOTILE ha i tricked ya, the only nonmotile is klebsiella
what 2 TWO organisms are indole neg?
enterobacter and serratia
what three organisms are indole positive for sure?
e. coli
providencia
morganella
which organisms vary in their indole reaction between species?
klebsiella
citrobacter
proteus
what three organisms are ornithine positive?
e. coli
serratia
morganella
which two organisms are ornithine neg?
klebsiella and providencia
which three organisms have a vary w/ species ornithine?
enterobacter
citrobacter
proteus
what two organisms are ornithine neg?
klebsiella
providencia
Which organisms are citrate pos
Kescp

kleb
enterobacter
serratia
citrobacter
providencia
which organisms are citrate neg
EM
e.coli
morganella
which organism is citrate variable?
proteus
what is lysine pos
kes
klebsiella, e.coli, serratia
what is lysine neg
cpmp
citrobacter, proteus, morganella, providencia
what is lysine varies w/ species?
enterobacter
what is the only DNAse pos enterobacteriaciae?
what does this test differentiate it from?
serratia is pos on DNAse; differentiates it enterocolitica, which it mimics otherwise.
citrobacter mimics salmonella except for what test?
lysine;
citrobacter is lys neg
salmonella is lys pos
Which organisms are 0 urea - negative?
E. coli
Shigella
Edwardsiella
Salmonella