streptomyces coelicolor
streptomyces coelicolor

In this powdery colony of Streptomyces coelicolor, the pigmentation comes from actinorhodin, a molecule with antibacterial effects. Biofilms may use bioactive pigments as signals for controlling the behaviors of other microorganisms in their shared environment.

Scott Chimileski and Roberto Kolter

Nikolai Sivertsen

Source: The Beautiful Intelligence of Bacteria …
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