Phylum Actinobacteria, Class Actinobacteria, Order Actinomycetales, Suborder Corynebacterineae, Family Mycobacteriaceae, Genus
Mycobacterium, Mycobacterium lutetiense Konjek et al. 2016.
Acid-fast rods. Non-motile. Spores, cords or filaments are not produced.
Colonies are creamy white, rough and non-pigmented. Grows to maturity in 3 days at
30 ºC and in 4 days at 25 ºC on Middelbrook 7H11 and TSA media. No growth at 37 or
42 ºC. The optimal temperature for growth is 30 ºC. No growth in the presence of 10%
Isolated from a water sample collected from the Paris water distribution system, France.
Susceptible to amikacin, ciprofloxacin, clarithromycin, doxycycline, imipenem, linezolid and tigecycline.
- Konjek J, Souded S, Guerardel Y, Trivelli X, Bernut A, Kremer L, Welte B, Joyeux M, Dubrou S, Euzeby JP, et al. Mycobacterium
lutetiense sp. nov., Mycobacterium montmartrense sp. nov. and Mycobacterium arcueilense sp. nov., members of a novel group of
non-pigmented rapidly growing mycobacteria recovered from a water distribution system. Int J Syst Evol Microbiol 2016; 66:3694-
Positive results for catalase (22 ºC), arylsulfatase (3 days), Tween 80 hydrolysis.
Negative results for niacin production, nitrate reduction, and iron uptake.
Variable results for thermostable catalase (68 ºC) and urease.
(c) Costin Stoica