Division 1 Nutritional and enzymatic identification testsF1
United Kingdom
Determine the following phenotypic properties, which are universally present or absent in R. solanacearum , according to the methods of Lelliott and Stead (1987), Klement et al. (1990), Schaad (2001).
| Test | Expected result |
|---|---|
| Fluorescent pigment production | – |
| Poly-ß-hydroxybutyrate inclusions | + |
| Oxidation/fermentation (O/F) test | O+/F– |
| Catalase activity | + |
| Kovac’s oxidase test | + |
| Reduction of nitrate | + |
| Utilisation of citrate | + |
| Growth at 40 °C | – |
| Growth in 1 % NaCl | + |
| Growth in 2 % NaCl | – |
| Arginine dihydrolase activity | – |
| Gelatine liquefaction | – |
| Starch hydrolysis | – |
| Aesculin hydrolysis | – |
| Levan production | – |