Bacterial Quorum Sensing

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Description
This tutorial describes how bacteria communicate by a process known as quorum sensing, as shown through a series of experiments involving genetically engineered bioluminescent bacteria.
Vibrio harveyi is a marine bacteria that emits light, a property known as bioluminescence, only at high population density. This type of bioluminescence is controlled by a signaling system among bacteria called quorum sensing. The Click & Learn describes the results of three experiments that reveal how the quorum sensing system works.
Estimated Time
One 50-minute class period.
Key Terms
bacteria, bioluminescence, cell culture, mutant, receptor, signal, strain
Terms of Use
Please see the Terms of Use for information on how this resource can be used.
Version History
Date Published
NGSS (2013)
HS-LS3.B
AP Biology (2019)
IST-3.A, IST-3.B, IST-3.C, IST-3.D, IST-3.E, IST-3.G
IB Biology (2016)
7.2
VIsion and Change (2009)
CC1, CC5
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