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Team:Paris/Quorum sensing
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(New page: ===Presentation of the phenomenon of ''quorum-sensing''=== The Hawaiian bobtail squid is the simbiont of ''Vibrio fischeri'' The phenomenon of ''quorum sens...) |
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===Presentation of the phenomenon of ''quorum-sensing''=== | ===Presentation of the phenomenon of ''quorum-sensing''=== | ||
| - | [[Image:Squid.jpg|thumb| | + | [[Image:Squid.jpg|thumb|200px|The Hawaiian bobtail squid have a symbiotic relationship with ''Vibrio fischeri'']] |
| - | The phenomenon of ''quorum sensing'' was first discovered in ''Vibrio fischeri''. This bacteria only expresses luciferase when the density of bacteria is very high (10<sup>11</sup>bact/mL). | + | The phenomenon of ''quorum sensing'' was first discovered in ''Vibrio fischeri''. This bacteria only expresses luciferase when the density of bacteria is very high (10<sup>11</sup>bact/mL). Typically, the bacteria does not express bioluminescence when they are free living in the ocean. When they are highly concentrated in the photophore of Hawaiian bobtail squid, they express bioluminescence. |
Revision as of 17:31, 29 October 2008
Presentation of the phenomenon of quorum-sensing
The phenomenon of quorum sensing was first discovered in Vibrio fischeri. This bacteria only expresses luciferase when the density of bacteria is very high (1011bact/mL). Typically, the bacteria does not express bioluminescence when they are free living in the ocean. When they are highly concentrated in the photophore of Hawaiian bobtail squid, they express bioluminescence.
