Vibrio Fischeri

Vibrio fischeri,
- Live in salt water(ocean); gram negative
- express luciferase at high population densities= blue- green light
Signal: homoserine lactone (HSL)
When all receptors have signal bound to them, genes for luciferase expressed

Luciferase is a light bringing enzyme. Makes bacteria glow blue-green. VERY NEAT

Vibrio fischeri have a symbiotic relationship with squid: Eurypmnea Scolopes.

Kassie Hein

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