Mycobacterium marinum

Paul Auwaerter, M.D.

MICROBIOLOGY

Slow-growing, pigmented AFB, photochromogenic non-tubercular mycobacterium (NTM).
- Grows best at 27-32°C on LJ slants [Fig 1], usually within 7-21d.
Reservoir: water and marine organisms with worldwide distribution.
- Survives in fresh or salt water.
Previously called M. balnei.
Usually resistant to INH and PAS; reduced susceptibilities to streptomycin.

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