Haemophilus influenzae
From IDWiki
Background
Microbiology
- Species of Gram-negative bacillus within the genus Haemophilus
- Deficient heme biosynthetic pathway leading to X-factor-dependent growth on media
- May be encapsulated; non-encapsulated strains are referred to as "nontypeable"
- The group includes Haemophilus influenzae, Haemophilus aegyptius, and Haemophilus haemolyticus
| Test | Biotype | |||||||
|---|---|---|---|---|---|---|---|---|
| I | II | III | IV | V | VI | VII | VIII | |
| Indole | + | + | – | – | + | – | + | + |
| Urease | + | + | + | + | – | – | – | – |
| ODC | + | – | – | + | + | + | – | – |
