Bacteria direct their movement in response to certain chemicals by controlling the rotation of whip-like appendages called flagella. The sensitivity of the response can be adjusted at the signal's target, the flagellar motor. See Letter p.233
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Hazelbauer, G. Adaptation by target remodelling. Nature 484, 173–174 (2012). https://doi.org/10.1038/484173a
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DOI: https://doi.org/10.1038/484173a
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