Enterobacteriaceae: Difference between revisions

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Enterobacteriaceae
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*A family of [[Stain::Gram-negative]] [[Cellular shape::bacillus|bacilli]]
*A family of [[Stain::Gram-negative]] [[Shape::bacillus|bacilli]] within the order [[Enterobacterales]]
*Non-spore-forming, glucose-fermenting facultative anaerobes
*Non-spore-forming, glucose-fermenting facultative anaerobes
*Medically important bacteria within the family includes:
*Medically important bacteria within the family includes:
**[[Citrobacter species]]
**[[Citrobacter]]
**[[Edwardsiella species]]
**[[Enterobacter]]
**[[Escherichia coli]] and [[Shigella]]
**[[Enterobacter species]]
**[[Klebsiella]]
**[[Escherichia coli]] and [[Shigella species]]
**[[Hafnia species]]
**[[Klebsiella species]]
**[[Morganellaceae]]: [[Morganella morganii]], [[Proteus species]], and [[Providencia species]]
**[[Pantoea agglomerans]]
**[[Pantoea agglomerans]]
**[[Plesiomonas shigelloides]]
**[[Plesiomonas shigelloides]]
**[[Salmonella enterica]]
**[[Salmonella enterica]]
*Related families within [[Enterobacterales]] that contain previous members of the ''Enterobacteriaceae'' include:
**[[Serratia marcescens]]
**[[Morganellaceae]]: [[Morganella morganii]], [[Proteus]], and [[Providencia]]
**[[Yersinia species]]
**[[Hafniaceae]]: [[Hafnia]] and [[Edwardsiella]]

**[[Yersiniaceae]]: [[Yersinia]] and [[Serratia marcescens]]
==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]]
|}


{{DISPLAYTITLE:''Enterobacteriaceae''}}
{{DISPLAYTITLE:''Enterobacteriaceae''}}

Latest revision as of 13:45, 9 February 2022

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