Navigation on a Micron Scale

  • H.C. Berg
Part of the Lecture Notes in Physics book series (LNP, volume 711)


E. coli is a bacterium 1 μm in diameter. It swims in a nutrient medium, counting molecules of interest as it goes along. On the basis of these counts, it accumulates in regions that it deems more favorable. How does nature design, construct, and operate such a nanomachine?


Kinase Activity Receptor Occupancy Micron Scale Ambient Concentration Fractional Change 
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© Springer 2007

Authors and Affiliations

  • H.C. Berg
    • 1
  1. 1.Departments of Molecular and Cellular Biology and of PhysicsHarvard UniversityCambridgeUSA

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