Mycobacterium gordonae
| Mycobacterium gordonae | |
|---|---|
| Scientific classification | |
| Kingdom: | Bacteria |
| Phylum: | Actinobacteria |
| Order: | Actinomycetales |
| Suborder: | Corynebacterineae |
| Family: | Mycobacteriaceae |
| Genus: | Mycobacterium |
| Species: | M. gordonae |
| Binomial name | |
| Mycobacterium gordonae Bojalil et al. 1962, ATCC 14470 | |
Mycobacterium gordonae is a species of Mycobacterium named for Ruth E. Gordon.[1] It is a species of the phylum actinobacteria (Gram-positive bacteria with high guanine and cytosine content, one of the dominant phyla of all bacteria), belonging to the genus Mycobacterium.
Description
Gram-positive, nonmotile and moderate to long acid-fast rods.
- Commonly found in tap water and soil. Casual resident in human sputum and gastric lavage specimens.
Colony characteristics
- Smooth, with yellow or orange scotochromogenic colonies. Even though they are scotochromogenic pigment is intensified by growing in continuous light.
Physiology
- Growth on Löwenstein-Jensen medium and Middlebrook 7H10 agar within 7 or more days at 37 °C (optimal 25 °C).
- Does not grow in the presence of ethambutol (1 mg/l), isoniazid (10 mg/l) and sodium chloride (5%).
- Some strains can grow using carbon monoxide as a carbon and energy source.[2]
Differential characteristics
- A commercial hybridisation assay (AccuProbe) to identify M. gordonae exists.
- Intraspecies variability in 16S rDNA sequences
Pathogenesis
- Rarely if ever implicated in disease processes even if patients are immunocompromised. Widely distributed in environment and usually a contaminant in laboratory specimens.
- Biosafety level 2
Type strain
Strain ATCC 14470 = CCUG 21801 = CCUG 21811 = CIP 104529 = DSM 44160 = JCM 6382 = NCTC 10267.
References
- ↑ Mycobacterium gordonae at eMedicine
- ↑ King, G. M. (2003). "Uptake of Carbon Monoxide and Hydrogen at Environmentally Relevant Concentrations by Mycobacteria". Applied and Environmental Microbiology. 69 (12): 7266–72. doi:10.1128/aem.69.12.7266-7272.2003. PMC 310020. PMID 14660375.
Further reading
- Bojalil, L. F.; Cerbon, J.; Trujillo, A. (1962). "Adansonian classification of mycobacteria". Journal of General Microbiology. 28 (2): 333–46. doi:10.1099/00221287-28-2-333. PMID 13870716.
External links
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