Enterobacterales: Difference between revisions

From IDWiki
(Created page with "* Order of Gram-negative bacilli comprising seven families ** Enterobacteriaceae ** Erwiniaceae ** Pectobacteriaceae ** Yersiniaceae ** Hafniaceae ** Mor...")
 
No edit summary
Line 1: Line 1:
  +
== Background ==
* Order of Gram-negative bacilli comprising seven families
 
** [[Enterobacteriaceae]]
 
** [[Erwiniaceae]]
 
** [[Pectobacteriaceae]]
 
** [[Yersiniaceae]]
 
** [[Hafniaceae]]
 
** [[Morganellaceae]]
 
** [[Budviciaceae]]
 
   
  +
=== Microbiology ===
  +
  +
*Order of Gram-negative bacilli comprising seven families
  +
**[[Enterobacteriaceae]]
  +
**[[Erwiniaceae]]
  +
**[[Pectobacteriaceae]]
  +
**[[Yersiniaceae]]
  +
**[[Hafniaceae]]
  +
**[[Morganellaceae]]
  +
**[[Budviciaceae]]
  +
  +
=== Identification ===
  +
  +
* 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"
  +
!Lactose
  +
!PPA
  +
!H<sub>2</sub>S
  +
!Mannitol
  +
!Indole
  +
!Urease
  +
!Growth on Citrate
  +
!Other Tests
  +
!Organism
  +
|-
  +
| rowspan="6" | +
  +
| rowspan="6" |–
  +
| rowspan="6" |–
  +
| rowspan="6" | +
  +
| rowspan="3" | +
  +
| +
  +
| +
  +
|nonmotile, methyl red –
  +
|[[Klebsiella oxytoca]]
  +
|-
  +
| +/±
  +
| +
  +
|motile, methyl red +
  +
|[[Citrobacter koseri]]
  +
|-
  +
|–
  +
|–
  +
|
  +
|[[Escherichia coli]]
  +
|-
  +
| rowspan="3" |–
  +
| +
  +
| +
  +
|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]]
  +
|-
  +
| rowspan="3" |±
  +
| rowspan="3" |–
  +
| +
  +
| +
  +
| +
  +
| +/±
  +
| +
  +
|motile, methyl red +
  +
|[[Citrobacter koseri]]
  +
|-
  +
| rowspan="2" |–
  +
| +
  +
  +
| +
  +
|–
  +
|
  +
|[[Yersinia enterocolitica]]
  +
|-
  +
|–
  +
| +
  +
|–
  +
|–
  +
|oxidase +
  +
|[[Plesiomonas shigelloides]]
  +
|-
  +
| rowspan="13" |–
  +
| rowspan="6" | +
  +
| rowspan="2" | +
  +
| rowspan="2" |–
  +
| +
  +
| +
  +
|–/±
  +
|
  +
|[[Proteus vulgaris]]
  +
|-
  +
|–
  +
| +
  +
| +/±
  +
|
  +
|[[Proteus mirabilis]]
  +
|-
  +
  +
|–
  +
|–
  +
| +
  +
|–
  +
|TSI with gas
  +
|[[Proteus penneri]]
  +
|-
  +
|–/±
  +
|–
  +
| +
  +
| +
  +
|–
  +
|TSI with gas
  +
|[[Morganella morganii]]
  +
|-
  +
| rowspan="2" |–
  +
| +
  +
| +
  +
| +
  +
| +
  +
|TSI no gas
  +
|[[Providencia rettgeri]]
  +
|-
  +
|–
  +
| +
  +
|–
  +
| +
  +
|TSI no gas
  +
|[[Providencia stuartii]]
  +
|-
  +
| rowspan="7" |–
  +
| +
  +
|–
  +
| +
  +
|–
  +
|–
  +
|
  +
|[[Edwardsiella tarda]]
  +
|-
  +
| +/±
  +
| +
  +
|–
  +
|–
  +
  +
|
  +
|[[Salmonella species]]
  +
|-
  +
| rowspan="5" |–
  +
| rowspan="4" | +
  +
| +
  +
|–
  +
|–
  +
|
  +
|[[Escherichia coli]] (inactive)
  +
|-
  +
| rowspan="3" |–
  +
| rowspan="2" |–
  +
| rowspan="2" | +
  +
|DNAse –
  +
|[[Hafnia species]]
  +
|-
  +
|DNAse +
  +
|[[Serratia marcescens]]
  +
|-
  +
|–
  +
|–
  +
|
  +
|[[Shigella species]] (other than ''S. dysenteriae'')
  +
|-
  +
|–
  +
|–
  +
|–
  +
|–
  +
|
  +
|[[Shigella dysenteriae]]
  +
|}
 
[[Category:Gram-negative bacilli]]
 
[[Category:Gram-negative bacilli]]

Revision as of 09:31, 13 September 2020

Background

Microbiology

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 gas 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