Francisella: Difference between revisions
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Francisella
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==Background== |
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===Microbiology=== |
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{{DISPLAYTITLE:''Francisella'' species}} |
{{DISPLAYTITLE:''Francisella'' species}} |
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**Tick endosymbiont |
**Tick endosymbiont |
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***[[Francisella persica]] (previously ''Wolbachia persica'') |
***[[Francisella persica]] (previously ''Wolbachia persica'') |
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***[[Dermacentor andersoni]] symbiont |
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***Symbiont B of the soft tick [[Ornithodoros moubata]] |
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===Identification=== |
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Revision as of 08:41, 3 September 2020
Background
Microbiology
- A genus of Gram-negative bacilli
- Includes a number of important species
- Human pathogens
- Fish pathogens
- Francisella noatunensis subsp. orientalis
- Francisella halioticida
- Environmental species
- Tick endosymbiont
- Francisella persica (previously Wolbachia persica)
- Dermacentor andersoni symbiont
- Symbiont B of the soft tick Ornithodoros moubata
Identification
| Test | F. tularensis | F. philomiragia | F. hispaniensis | ||
|---|---|---|---|---|---|
| tularensis | holarctica | novicida | |||
| Cysteine growth requirement | + | + | – | – | – |
| Growth in broth with 6% NaCl | – | – | +/– | + | NA |
| Motility | – | – | – | – | NA |
| Oxidase | – | – | – | + | + |
| Nitrate reduction | – | – | – | – | NA |
| Acid from glucose | +/– | +/– | +/– | +/– | + |
| Acid from glycerol | + | – | + | + | + |
| Gelatin hydrolysis | – | – | – | +/– | NA |
| Virulence in humans | high | intermediate | low | low | low |
| Virulence in rabbits | high | low | low | NA | NA |
