Betaine-induced stimulation of respiration at high osmolarities in a halotolerant bacterium.

  title={Betaine-induced stimulation of respiration at high osmolarities in a halotolerant bacterium.},
  author={C Shkedy-Vinkler and Y. Avi-Dor},
  journal={The Biochemical journal},
  volume={150 2},
It was shown that non-penetrating solutes at high concentrations inhibit the respiration of the halotolerant bacterium Ba1. Betaine relieved the inhibition caused by osmotic stress and exhibited in this respect a considerable structural specificity. The rate of oxidation of various substrates was stimulated to different extents. It stimulated the rates of both respiration and growth to a similar extent, leaving the energy yield essentially unchanged. In cells pre-loaded with labelled glutamate… CONTINUE READING

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