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Bacillus anthracis

Motility:

Motility by wet preparation is NOT recommended. Motility medium is more reliable, but shouldn't be read until 18-24 hours.

  • Bacillus anthracis is non-motile
  • Bacillus cereus is motile

Catalase:

Bacillus species are catalase positive. Catalase testing MUST be performed in a biosafety cabinet (BSC) due to the creation of aerosols.

India Ink:

India ink can reveal the capsule but testing is NOT recommended.