Parallel pathways for transduction of chemotactic signals in Escherichia coli

  title={Parallel pathways for transduction of chemotactic signals in Escherichia coli},
  author={Gerald L. Hazelbauer and P. -E. Engstr{\"o}m},
Bacteria respond transiently to tactic stimuli1, which indicates that cells adapt to new levels of stimulation. Receptors2,3 send signals to a tumble regulator that controls the balance between directions of flagellar rotation4, creating a pattern of swimming and tumbling that results in taxis5. In Escherichia coli, mutations in tsr and tar affect receptor–regulator linkages, eliminating responses mediated by two different groups of receptors6–9. Sensitivity to most sugars is not reduced by… CONTINUE READING

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