Mycobacterium alvei

Mycobacterium alvei 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 acid-fast rods (1-3 µm x 0.5-0.7 µm).

Colony characteristics

  • Colonies are eugonic, rough and nonpigmented.


Differential characteristics

  • Differentiation from all other mycobacterial species by its unusual mycolate pattern.


Type strain

First isolated from water samples, from soil and human sputum samples in Spain. Strain CR-21 = ATCC 51304 = CIP 103464 = DSM 44176 = JCM 12272.


  • Ausina et al. 1992. Mycobacterium alvei sp. nov. Int. J. Syst. Bacteriol., 1992, 42, 529-535.

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