Amine transport at the plasmalemma of Riccia fluitans.

  title={Amine transport at the plasmalemma of Riccia fluitans.},
  author={Hubert H. Felle},
  journal={Biochimica et biophysica acta},
  volume={602 1},
Green thallus cells of the aquatic liverwort, Riccia fluitans, are rapidly depolarized in the presence of 1--20 microM NH4Cl and 5--100 microM CH3NH3Cl, respectively. Simultaneously, the membrane conductance is increased from 0.41 to 1.2 S . m-2. Uptake of [14C]methylamine is stimulated by increasing [K+]o and inhibited by increasing [Na+]o or [H+]o, is highly voltage sensitive, and saturates at low amine concentations. Double-reciprocal plots of (a) maximal membrane depolarization and (b… CONTINUE READING

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