Francisella: Difference between revisions
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Francisella
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==Background== |
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{{DISPLAYTITLE:''Francisella'' species}} |
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===Microbiology=== |
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* A genus of [[Stain::Gram-negative]] [[Cellular shape::bacillus|bacilli]] |
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{{DISPLAYTITLE:''Francisella''}} |
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* Includes a number of important species |
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** Human pathogens |
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*** [[Francisella tularensis]] |
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*** [[Francisella philomiragia]] |
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*** [[Francisella hispaniensis]] |
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** Fish pathogens |
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*** [[Francisella noatunensis]] subsp. ''orientalis'' |
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*** [[Francisella halioticida]] |
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** Environmental species |
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*** [[Francisella guangzhouensis]] |
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*A genus of [[Stain::Gram-negative]] [[Shape::coccobacillus|coccobacilli]] |
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*Includes a number of important species |
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**Human pathogens |
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***[[Francisella tularensis]] |
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***[[Francisella philomiragia]] |
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***[[Francisella hispaniensis]] |
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**Fish pathogens |
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***[[Francisella noatunensis]] subsp. ''orientalis'' |
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***[[Francisella halioticida]] |
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**Environmental species |
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***[[Francisella guangzhouensis]] |
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**Tick endosymbiont |
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***[[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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{| class="wikitable" |
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|+ |
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! rowspan="2" |Test |
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! colspan="3" |[[Francisella tularensis|F. tularensis]] |
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! rowspan="2" |[[Francisella philomiragia|F. philomiragia]] |
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! rowspan="2" |[[Francisella hispaniensis|F. hispaniensis]] |
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|- |
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!''tularensis'' |
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!''holarctica'' |
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!''novicida'' |
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|- |
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|Cysteine growth requirement |
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| + |
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| + |
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|– |
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|– |
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|– |
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|- |
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|Growth in broth with 6% NaCl |
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|– |
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|– |
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| +/– |
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| + |
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|NA |
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|- |
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|Motility |
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|– |
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|– |
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|– |
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|– |
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|NA |
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|- |
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|Oxidase |
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|– |
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|– |
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|– |
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| + |
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| + |
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|- |
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|Nitrate reduction |
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|– |
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|– |
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|– |
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|– |
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|NA |
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|- |
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|Acid from glucose |
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| +/– |
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| +/– |
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| +/– |
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| +/– |
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| + |
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|- |
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|Acid from glycerol |
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| + |
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|– |
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| + |
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| + |
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| + |
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|- |
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|Gelatin hydrolysis |
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|– |
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|– |
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|– |
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| +/– |
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|NA |
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|- |
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|Virulence in humans |
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|high |
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|intermediate |
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|low |
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|low |
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|low |
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|- |
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|Virulence in rabbits |
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|high |
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|low |
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|low |
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|NA |
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|NA |
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|} |
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[[Category:Gram-negative bacilli]] |
[[Category:Gram-negative bacilli]] |
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Latest revision as of 06:37, 20 February 2022
Background
Microbiology
- A genus of Gram-negative coccobacilli
- 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 |
