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1979 (1)
1Author    H. Ubert Felle, Hinrich Liihring, Friedrich-W Ilhelm BentrupRequires cookie*
 Title    Serine Transport and Membrane Depolarization in the Liverwort Riccia fluitans  
 Abstract    The plasmalemma of thallus cells o f the aquatic liverwort, R icciaßuitans, is reversibly depolar­ ized by L-and D-serine. At 0.1 mM K + in the medium, the depolarization saturates at 50 mV; half-maximal depolarization occurs at 13 hm L-serine and 30 ^m D-serine, respectively. Uptake of 14C-labelled L-serine depends upon the K + concentration and is sensitive to the membrane potential as indicated by its reduction through 1 m M sodium cyanide. We propose that serine binds to and is transported by an electrogenic carrier. However, an interaction of serine with K + channels o f the membrane seems also possible. 
  Reference    Z. Naturforsch. 34c, 1222—1223 (1979); received September 10 1979 
  Published    1979 
  Keywords    Serine, Membrane Potential, Electrogenic Carrier, Riccia 
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 TEI-XML for    default:Reihe_C/34/ZNC-1979-34c-1222.pdf 
 Identifier    ZNC-1979-34c-1222 
 Volume    34