Mycobacterium marinum

Paul Auwaerter, M.D.
Mycobacterium marinum is a topic covered in the Johns Hopkins ABX Guide.

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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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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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Last updated: January 23, 2023