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
- Order of Gram-negative bacilli comprising seven families
Identification
- Main tests include lactose fermentation, mannitol fermentation, triple sugar iron agar (TSI) for H2S production and gas, indole test, urease test, and growth on citrate
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 |