is believed to have afforded further selective advantage for light production. Quorum sensing allows bacteria to conserve energy by ensuring that they do not synthesize light-producing chemicals unless a sufficient concentration are present to be visible.

Genetic diversity

All bioluminescent bacteria share a common gene sequence: the lux operon characterized by the luxCDABE gene organization. LuxAB codes for luciferase while luxCDE codes for a fatty-acid reductase complex that is responsible

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