Mycobacterium gordonae
Mycobacterium gordonae is a topic covered in the Johns Hopkins ABX Guide.
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MICROBIOLOGY
- Slow-growing long acid-fast bacillus (AFB), non-tubercular mycobacteria (NTM).
- Growth on Löwenstein-Jensen media or Middlebrook 7H10 agar is typically seen > 7 days at 37ºC, although 25ºC is optimal.
- It will not grow if ethambutol (1 mg/L) or INH (10 mg/L plus normal saline present.
- Scotochromogenic (smooth yellow to orange colonial formation, Fig) if growing in the presence of light.
- Old classification: Runyon Group 2.
- Growth on Löwenstein-Jensen media or Middlebrook 7H10 agar is typically seen > 7 days at 37ºC, although 25ºC is optimal.
- Ubiquitous; the reservoir is water (natural and tap) and soil. Often referred to as the "tap water bacillus."
- Also described in pools, unpasteurized milk, healthy human secretions
- Growth usually takes three weeks or more at 37°C.
-- To view the remaining sections of this topic, please log in or purchase a subscription --
MICROBIOLOGY
- Slow-growing long acid-fast bacillus (AFB), non-tubercular mycobacteria (NTM).
- Growth on Löwenstein-Jensen media or Middlebrook 7H10 agar is typically seen > 7 days at 37ºC, although 25ºC is optimal.
- It will not grow if ethambutol (1 mg/L) or INH (10 mg/L plus normal saline present.
- Scotochromogenic (smooth yellow to orange colonial formation, Fig) if growing in the presence of light.
- Old classification: Runyon Group 2.
- Growth on Löwenstein-Jensen media or Middlebrook 7H10 agar is typically seen > 7 days at 37ºC, although 25ºC is optimal.
- Ubiquitous; the reservoir is water (natural and tap) and soil. Often referred to as the "tap water bacillus."
- Also described in pools, unpasteurized milk, healthy human secretions
- Growth usually takes three weeks or more at 37°C.
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Last updated: January 23, 2023
Citation
Auwaerter, Paul. "Mycobacterium Gordonae." Johns Hopkins ABX Guide, The Johns Hopkins University, 2023. Johns Hopkins Guides, www.hopkinsguides.com/hopkins/view/Johns_Hopkins_ABX_Guide/540366/all/Mycobacterium_gordonae.
Auwaerter P. Mycobacterium gordonae. Johns Hopkins ABX Guide. The Johns Hopkins University; 2023. https://www.hopkinsguides.com/hopkins/view/Johns_Hopkins_ABX_Guide/540366/all/Mycobacterium_gordonae. Accessed March 29, 2023.
Auwaerter, P. (2023). Mycobacterium gordonae. In Johns Hopkins ABX Guide. The Johns Hopkins University. https://www.hopkinsguides.com/hopkins/view/Johns_Hopkins_ABX_Guide/540366/all/Mycobacterium_gordonae
Auwaerter P. Mycobacterium Gordonae [Internet]. In: Johns Hopkins ABX Guide. The Johns Hopkins University; 2023. [cited 2023 March 29]. Available from: https://www.hopkinsguides.com/hopkins/view/Johns_Hopkins_ABX_Guide/540366/all/Mycobacterium_gordonae.
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