Enterobacteriaceae: Difference between revisions

From IDWiki
Enterobacteriaceae
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==Identification==
  
==Identification==
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* Main tests include [[lactose fermentation]], [[mannitol fermentation]], [[triple sugar iron agar]] (TSI) for H<sub>2</sub>S production and gas, [[indole test]], [[urease test]], and growth on citrate
   
 
{| class="wikitable sortable"
  
{| class="wikitable sortable"
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!Organism
  
!Organism
 
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|[[Klebsiella oxytoca]]
  
|[[Klebsiella oxytoca]]
 
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|[[Citrobacter koseri]]
  
|[[Citrobacter koseri]]
 
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|[[Escherichia coli]]
  
|[[Escherichia coli]]
 
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|[[Citrobacter freundii]]
  
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|[[Klebsiella pneumonia]]
  
|[[Klebsiella pneumonia]]
 
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|[[Enterobacter cloacae]]
  
|[[Enterobacter cloacae]]
 
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|[[Klebsiella aerogenes]]
  
|[[Klebsiella aerogenes]]
 
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|–/±
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|oxidase +
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|motile, methyl red +
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|[[Plesiomonas shigelloides]]
  
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|[[Citrobacter freundii]]
 
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|motile, methyl red +
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|[[Citrobacter koseri]]
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|[[Yersinia enterocolitica]]
  
|[[Yersinia enterocolitica]]
 
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|–
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|oxidase +
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|[[Plesiomonas shigelloides]]
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|[[Proteus vulgaris]]
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|[[Proteus mirabilis]]
  
|[[Proteus mirabilis]]
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|[[Proteus vulgaris]]
  
 
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|[[Morganella morganii]]
  
|[[Morganella morganii]]
 
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|[[Providencia rettgeri]]
  
|[[Providencia rettgeri]]
 
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|[[Providencia stuartii]]
  
|[[Providencia stuartii]]
 
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|[[Citrobacter species]]
  
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|[[Edwardsiella tarda]]
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|[[Escherichia coli]] (inactive)
  
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|[[Hafnia species]]
  
 
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| +/±
  
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|[[Salmonella species]]
  
|[[Salmonella species]]
 
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|[[Escherichia coli]] (inactive)
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|[[Shigella species]] (other than ''S. dysenteriae'')
  
 
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|DNAse –
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|[[Hafnia species]]
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|DNAse +
 
|[[Serratia marcescens]]
  
|[[Serratia marcescens]]
 
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|–
  
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|–
  
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|[[Shigella species]] (other than ''S. dysenteriae'')
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|[[Edwardsiella tarda]]
  
 
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|–
  
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Revision as of 10:02, 14 August 2020

Identification

Lactose PPA H2S Mannitol Indole Urease Growth on Citrate Other Tests Organism
+ – – + + + + nonmotile, methyl red – Klebsiella oxytoca
+/± + motile, methyl red + Citrobacter koseri
– – Escherichia coli
– + + TSI A/A with gas, nonmotile Klebsiella pneumonia
+/± + TSI A/A with gas, motile, arginine dihydrolase + Enterobacter cloacae
– + TSI A/A with gas, motile, arginine dihydrolase – Klebsiella aerogenes
+/± – + + – –/± + motile, methyl red + Citrobacter freundii
± – + + + +/± + motile, methyl red + Citrobacter koseri
– + ± + – Yersinia enterocolitica
– + – – oxidase + Plesiomonas shigelloides
– + + – + + –/± Proteus vulgaris
– + +/± Proteus mirabilis
± – – + – TSI with gas Proteus penneri
–/± – + + – TSI with gase Morganella morganii
– + + + + TSI no gas Providencia rettgeri
– + – + TSI no gas Providencia stuartii
– + – + – – Edwardsiella tarda
+/± + – – ± Salmonella species
– + + – – Escherichia coli (inactive)
– – + DNAse – Hafnia species
DNAse + Serratia marcescens
– – Shigella species (other than S. dysenteriae)
– – – – Shigella dysenteriae
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