| Mycobacterium paraterrae |
Taxonomy
Morphology
Cultural characteristics
Biochemical characters
Ecology
Pathogenicity
References
Phylum Actinobacteria, Class Actinobacteria, Order Actinomycetales, Suborder Corynebacterineae, Family Mycobacteriaceae, Genus
Mycobacterium, Mycobacterium paraterrae Lee et al. 2016.
Member of the Mycobacterium terrae complex.
Species description is based on a single isolate.
Mycobacterium, Mycobacterium paraterrae Lee et al. 2016.
Member of the Mycobacterium terrae complex.
Species description is based on a single isolate.
Acid-alcohol-fast rods, with frequent bent shapes. Nonspore-forming. Filaments are
not observed.
not observed.
Colonies on Middlebrook 7H10 agar plates develop in 4 weeks, or even later on
Lowenstein-Jensen agar. Colonies grown on Middle-brook 7H10 agar are usually
rough, and produce yellow or orange under both dark and light conditions. Cells on
Lowenstein-Jensen medium are orange and grow in a film-like manner. No growth is
observed on MacConkey agar with addition of 5% NaCl to the culture medium, or with
picric acid. The optimal growth temperature is 37 ºC. No growth at 45 ºC.
Lowenstein-Jensen agar. Colonies grown on Middle-brook 7H10 agar are usually
rough, and produce yellow or orange under both dark and light conditions. Cells on
Lowenstein-Jensen medium are orange and grow in a film-like manner. No growth is
observed on MacConkey agar with addition of 5% NaCl to the culture medium, or with
picric acid. The optimal growth temperature is 37 ºC. No growth at 45 ºC.
Isolated from human sputum samples in Seoul, Korea.
Resistant to thiophene-2-carboxylic acid hydrazide (TCH) at 10 mg/ml and p-nitrobenzoic acid (PNB) at 500 mg/ml. Susceptible to
ethambutol.
Resistant to thiophene-2-carboxylic acid hydrazide (TCH) at 10 mg/ml and p-nitrobenzoic acid (PNB) at 500 mg/ml. Susceptible to
ethambutol.
Pulmonary infection.
- Lee H, Lee SA, Lee IK, Yu HK, Park YG, Jeong J, Lee SH, Kim SR, Hyun JW, Kim K, et al. Mycobacterium paraterrae sp. nov.
recovered from a clinical specimen: novel chromogenic slow growing mycobacteria related to Mycobacterium terrae complex.
Microbiol Immunol 2010; 54:46-53.
Positive results for heat stable catalase and pyrazinamidase.
Negative results for arylsulfatase, Tween 80 hydrolysis, nitrate reductase, niacin accumulation, tellurite reduction, and urease.
Negative results for arylsulfatase, Tween 80 hydrolysis, nitrate reductase, niacin accumulation, tellurite reduction, and urease.
(c) Costin Stoica
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