Ion-conducting channels in a gram-positive bacterium.

  title={Ion-conducting channels in a gram-positive bacterium.},
  author={Mario Zoratti and Valeria Petronilli},
  journal={FEBS letters},
  volume={240 1-2},
The patch-clamp technique was used to obtain information on the existence and properties of ion channels in giant protoplasts obtained from the Gram-positive bacterium Streptococcus faecalis. The membrane proved to contain a pore with numerous conductance states, ranging from 10 pS to several nanosiemens. Application of a slight pressure differential across the membrane resulted in the activation of the channel. The pressure sensitivity points to a relationship between this channel and one… CONTINUE READING

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