Supplementary Table 1.
Microbiological identification of Enterobacteriaceae in blood cultures
| Bacteria | Selective medium MacConkey agar | Identification test; battery of biochemical tests | |||||
|---|---|---|---|---|---|---|---|
|
| |||||||
| TSI | LIA | Citrate | SIM | Urea | Ornithine | ||
| K. pneumoniae | Mucous pink colonies (lactose fermentation) | Acid/acid with gas production | Alkaline/alkaline | Positive | Hydrogen sulfide: Negative Indole: Negative Motility: Negative | Positive | Negative |
| Enterobacter spp. | Mucous pink colonies (lactose fermentation) | Acid/acid with gas production | Alkaline/alkaline or alkaline/acid | Positive | Hydrogen sulfide: Negative Indole: Negative Motility: Positive | Positive | Positive or negative |
| E. coli | Dry pink colonies (lactose fermentation) | Acid/acid with gas production | Alkaline/alkaline | Negative | Hydrogen sulfide: Negative Indole: Positive Motility: Positive | Negative | Positive |
K. pneumoniae: Klebsiella pneumoniae, E. coli: Escherichia coli, TSI: Triple sugar iron, LIA: Lysine iron agar, SIM: Sulfite indole motility