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Chapter 7 : How Bacteria Communicate: Chemical Language and Quorum Sensing

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Abstract:

Whether in biofilms or other microbial assemblies, bacteria communicate. They speak to each other! Their chemical language consists of complex molecules that they release into the environment. At the same time, they gauge the concentration of these signal molecules in their surroundings via sensors on their surface or in their cytoplasm. This allows them to actually measure the number of other bacteria around them! This phenomenon is known as .

Citation: Cossart P. 2018. How Bacteria Communicate: Chemical Language and Quorum Sensing, p 45-48. In The New Microbiology: From Microbiomes to CRISPR. ASM Press, Washington, DC. doi: 10.1128/9781683670117.ch7
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Figures

Image of Figure 13.
Figure 13.

Schematic representation of the quorum-sensing effect. Bacteria release signal molecules into the environment. They are then able to recognize these molecules by means of cell receptors located on their surface or in their internal milieu. This recognition, in turn, triggers the expression of virulence factors, light-generating molecules, or other factors.

Citation: Cossart P. 2018. How Bacteria Communicate: Chemical Language and Quorum Sensing, p 45-48. In The New Microbiology: From Microbiomes to CRISPR. ASM Press, Washington, DC. doi: 10.1128/9781683670117.ch7
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