Table 3.
Advanced biochemical identification of common uropathogens.
| Enterobacterales (see also Supplementary Table S1) | Lac 1 | Ind 1 | Cit 1 | VP 1 | Ure 1 | Mot 1 | H2S 1 | LDC 1 | Nit 1 | |
|---|---|---|---|---|---|---|---|---|---|---|
| Escherichia coli | + | + | – | – | – | + | – | + | + | |
| Klebsiella pneumoniae | + | – | + | + | + | – | – | + | + | |
| Klebsiella oxytoca | + | + | + | + | + | – | – | + | + | |
| Enterobacter cloacae | + | – | + | + | V | + | – | – | + | |
| Enterobacter aerogenes | + | – | + | + | – | + | – | + | + | |
| Citrobacter freundii | V | – | + | – | V | + | (+) | – | + | |
| Citrobacter koseri | V | + | + | – | V | + | – | – | + | |
| Proteus mirabilis | – | – | V | V | + | + | + | – | + | |
| Proteus vulgaris | – | + | (–) | – | + | + | + | – | + | |
| Providencia stuartii | – | + | + | – | V | (+) | – | – | + | |
| Morganella morganii | – | + | – | – | + | + | – | – | + | |
| Serratia marcescens | – | – | + | + | (–) | + | – | + | + | |
|
Glucose-non-
fermenting Gram-negative rods |
Oxi 1 | Lac 1 | Ind 1 | Cit 1 | VP 1 | Ure 1 | Mot 1 | H2S 1 | LDC 1 | Nit 1 |
| Pseudomonas aeruginosa | + | - | - | V | - | (-) | + | - | - | V |
| Acinetobacter baumannii | - | - | - | + | - | - | - | - | - | - |
| Staphylococci (catalase-positive) | Slide Agg 1 | Tube Coag 1 | Hemolysis | Salt Tol 1 | Mann 1 | Nov 1 | ||||
| Staphylococcus aureus | + | + | V | + | + | S | ||||
| Staphylococcus saprophyticus | - | - | None * | + | + * or - | R | ||||
| Staphylococcus epidermidis group | - | - | None * | + | - | S | ||||
| Streptococci (catalase-negative) | Lanc 1 | Hemolysis | Bile esc 1 | 6.5% NaCl tol 1 | ||||||
| Enterococci | D | No hemolysis * | + | + | ||||||
| Group D streptococci other than enterococci | D | β-, α-, or no hemolysis | + | - | ||||||
| Streptococcus agalactiae | B | β-hemolysis * | - | - | ||||||
1 Lac, lactose fermentation; Ind, indole; Cit, citrate utilization; VP, Voges-Proskauer; Ure, urease; Mot, motility; H2S, hydrogen sulfide production; LDC, lysine decarboxylase; Nit, nitrates reduction; Oxi, oxidase; Agg, agglutination; Coag, coagulase; Tol, tolerance; Mann, mannitol fermentation; Nov, novobiocin susceptibility; Bile esc, bile esculin hydrolysis; +, 90–100% Positive; -, 0–10% positive; (+), 76–89% positive; (-), 11–25% positive; V, variable.* Most strains.