The “Dashpot” Mechanism of Stretch-dependent Gating in MscS

  title={The “Dashpot” Mechanism of Stretch-dependent Gating in MscS},
  author={Bradley Chun-Yee Akitake and Andriy Anishkin and Sergei Sukharev},
  journal={The Journal of General Physiology},
  pages={143 - 154}
The crystal structure of the small conductance mechanosensitive channel (MscS) has been an invaluable tool in the search for the gating mechanism, however many functional aspects of the channel remain unsettled. Here we characterized the gating of MscS in Escherichia coli spheroplasts in a triple mutant (mscL-, mscS-, mscK-) background. We used a pressure clamp apparatus along with software developed in-lab to generate dose-response curves directly from two-channel recordings of current and… CONTINUE READING
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