Mycobacterium flavescens
| Mycobacterium flavescens | |
|---|---|
| Scientific classification | |
| Domain: | Bacteria |
| Phylum: | Actinomycetota |
| Class: | Actinomycetia |
| Order: | Mycobacteriales |
| Family: | Mycobacteriaceae |
| Genus: | Mycobacterium |
| Species: | M. flavescens
|
| Binomial name | |
| Mycobacterium flavescens Bojalil et al. 1962, ATCC 14474
| |
Mycobacterium flavescens 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.
Etymology
[edit]Its name is derived from the Latin word "flavescens", which means "becoming golden yellow."
Description
[edit]Gram-positive, nonmotile and acid-fast rods.
Colony characteristics
[edit]- Rough, yellow-orange scotochromogenic, butyrous colonies.
Physiology
[edit]- Slow growth on Löwenstein-Jensen medium at 25-37 °C, but not at 45 °C within 7–10 days.
- Although growth rate is intermediate, metabolic and physiologic properties are more like rapidly growing species.
Differential characteristics
[edit]- Serologic specificity demonstrated by immunodiffusion.
- Related to Mycobacterium fortuitum: can be distinguished by its intense pigment production, and its slow rate of growth.
Pathogenesis
[edit]Not associated with disease. Biosafety level 2.
Type strain
[edit]- Normal human flora, environmental habitat.
- First isolated from a drug treated tuberculous guinea pig (Mexico).
Strain ATCC 14474 = CCUG 29041 = CIP 104533 = DSM 43991 = JCM 12274 = NCTC 10271 = NRRL B-4038.
References
[edit]- Bojalil et al. 1962. Adansonian classification of mycobacteria. Journal of General Microbiology, 28, 333–346.]
External links
[edit]
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