Medical Dictionary

Johne's bacillus

noun Joh·ne's bacillus \ ˈyō-ˌnēz-, -nəz- \

medical Definition of Johne's bacillus

: a bacillus of the genus Mycobacterium (M. paratuberculosis) that causes Johne's disease

Biographical Note for johne's bacillus

  • Johne play \ˈyō-nə\, Heinrich Albert (1839–1910), German bacteriologist. Johne developed a method for staining bacterial capsules in 1894. He discovered Johne's bacillus in 1895.

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