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Bacterial Signaling

Bacterial Signaling

Bacterial signaling can occur within bacteria (intracellular) or between bacteria (intercellular). At times, a group of bacteria behaves like a community. To achieve this, they engage in quorum sensing, the perception of higher cell density that causes changes in gene expression. Quorum sensing involves both extracellular and intracellular signaling. The signaling cascade starts with a molecule called an autoinducer (AI). Individual bacteria produce AIs that move out of the bacterial cell...

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Updated: Nov 6, 2025

Bioluminescent Bacterial Imaging In Vivo

Bioluminescent Bacterial Imaging In Vivo

Published on: November 4, 2012

Illuminating the first bacteria

¹Department of Biological Sciences, Smith College, Northampton, MA, USA. lkatz@smith.edu.

Science (New York, N.Y.)

|May 7, 2021

Summary

No abstract available in PubMed .

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