Mycobacterium cookii

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Mycobacterium cocci
Scientific classification
Kingdom: Bacteria
Phylum: Actinobacteria
Order: Actinomycetales
Suborder: Corynebacterineae
Family: Mycobacteriaceae
Genus: Mycobacterium
Species: M. cookii
Binomial name
Mycobacterium cookii
Kazda et al. 1990, ATCC 51304

Mycobacterium cookii 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.


Gram-positive, nonmotile and polymorphic acid-fast rods (0.8 µm x 1.4–1.9 µm). Forms clumps, but not cords or cross bands. Does not form spores, capsules and aerial hyphae.

Colony characteristics

  • Colonies are smooth and glistening with yellow-orange pigmentation (0.5–1.0 mm diameter, scotochromogenic).


Differential characteristics


Type strain[edit]

Strain NZ2 = ATCC 49103 = CIP 105396 = DSM 43922 = JCM 12404.


  • Kazda et al. 1990. Mycobacterium cookii sp. nov. Int. J. Syst. Bacteriol.,40, 217-223.

External links[edit]