| Mycobacterium sarraceniae |
Taxonomy
Morphology
Cultural characteristics
Biochemical characters
Ecology
Pathogenicity
References
Phylum Actinobacteria, Class Actinobacteria, Order Actinomycetales, Suborder Corynebacterineae, Family Mycobacteriaceae, Genus
Mycobacterium, Mycobacterium sarraceniae Tran and Dahl 2016.
Mycobacterium, Mycobacterium sarraceniae Tran and Dahl 2016.
Acid-fast, slender, bent rods, sometimes curved. Older cultures show a decrease in
acid-fastness.
acid-fastness.
Colonies are orange, scotochromogenic and photochromogenic, shiny and smooth.
Growth on Middlebrook 7H11 agar with oleic, albumin, dextrose, catalase reaches
maturity in 7 days at 28 ºC and in 10 days at 32 ºC. No growth at 37 ºC. Weak growth
in 5% NaCl media.
Growth on Middlebrook 7H11 agar with oleic, albumin, dextrose, catalase reaches
maturity in 7 days at 28 ºC and in 10 days at 32 ºC. No growth at 37 ºC. Weak growth
in 5% NaCl media.
Undetermined.
Isolated from water samples collected from S. purpurea pitchers at Repose Lake in northern Minnesota.
Susceptible to neomycin, tetracycline, ampicillin, chloramphenicol, ciprofloxacin, streptomycin and penicillin. Resistant to aztreonam
and trimethoprim.
Susceptible to neomycin, tetracycline, ampicillin, chloramphenicol, ciprofloxacin, streptomycin and penicillin. Resistant to aztreonam
and trimethoprim.
- Tran PM, Dahl JL. Mycobacterium sarraceniae sp. nov. and Mycobacterium helvum sp. nov., isolated from the pitcher plant
Sarracenia purpurea. Int J Syst Evol Microbiol 2016; 66:4480-4485.
Positive results for arylsulfatase (3 and 14 days).
Negative results for catalase, heat-stable catalase, nitrate reduction, tellurite reduction, Tween 80 hydrolysis and urease.
Negative results for catalase, heat-stable catalase, nitrate reduction, tellurite reduction, Tween 80 hydrolysis and urease.
(c) Costin Stoica
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