Mycobacterium fallax: Difference between revisions
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{{Short description|Species of bacterium}} |
{{Short description|Species of bacterium}} |
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{{Italic title}} |
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{{Speciesbox |
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{{Taxobox |
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| taxon = Mycobacterium fallax |
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| domain = [[Bacteria]] |
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| phylum = [[Actinomycetota]] |
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| classis = [[Actinomycetia]] |
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| ordo = [[Mycobacteriales]] |
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| familia = [[Mycobacteriaceae]] |
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| genus = ''[[Mycobacterium]]'' |
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| species = '''''M. fallax''''' |
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| binomial = ''Mycobacterium fallax'' |
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==Description== |
==Description== |
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Gram-positive, nonmotile and acid-fast rods (0.5 – 1 |
Gram-positive, nonmotile and acid-fast rods (0.5 – 1 μm long) except for a small number (less than 20%) of cyanophil forms. |
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'''Colony characteristics''' |
'''Colony characteristics''' |
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Latest revision as of 21:17, 16 May 2024
| Mycobacterium fallax | |
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Scientific classification 
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| Domain: | Bacteria |
| Phylum: | Actinomycetota |
| Class: | Actinomycetia |
| Order: | Mycobacteriales |
| Family: | Mycobacteriaceae |
| Genus: | Mycobacterium |
| Species: | M. fallax
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| Binomial name | |
| Mycobacterium fallax Lévy-Frébault, V. et al. 1983,[1] ATCC 35219
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Mycobacterium fallax is a species of the phylum Actinomycetota (Gram-positive bacteria with high guanine and cytosine content, one of the dominant phyla of all bacteria), belonging to the genus Mycobacterium.
Description[edit]
Gram-positive, nonmotile and acid-fast rods (0.5 – 1 μm long) except for a small number (less than 20%) of cyanophil forms.
Colony characteristics
- Large, eugonic, buff coloured and rough colonies (Löwenstein-Jensen medium at 30 °C).
- Cauliflower-like morphology, resembling M. tuberculosis colonies. Cord formation at the edges of colonies (Middlebrook 7H10 agar at 30 °C).
Physiology
- Rapid growth at 30 °C, but not at 37 °C, on Löwenstein-Jensen or Middlebrook 7H10 media.[1]
- Susceptible to ethambutol, rifampin and kanamycin.
- Resistant to isoniazid, pyrazinamide and streptomycin.
Differential characteristics
- Similarities to M. tuberculosis include colony morphology, thermolabile catalase, positive nitrate reductase; differences are negative reactions for niacin production and rapid growth at 30 °C.
Pathogenesis[edit]
- Not known. Biosafety level 1.
Type strain[edit]
- Isolated from environmental sources in France and the former Czechoslovakia. Strain ATCC 35219 = CCUG 37584 = CIP 81.39 = DSM 44179 = JCM 6405.
References[edit]
External links[edit]
 | This Mycobacterium article is a stub. You can help Wikipedia by expanding it. |