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1982 (1)
1977 (1)
1976 (1)
1Author    R. Kanne, H. ZähnerRequires cookie*
 Title    Concentrations of W ild -T y p e and a Macrotetrolide Negative Mutant of Streptomyces griseus  
 Abstract    The studied macrotetrolide negative mutant of Streptomyces griseus showed a different spe­ cificity of potassium accumulation than the macrotetrolide producing wild-type, indicating, that the macrotetrolides may be part of the physiological potassium carrier. 
  Reference    (Z. Naturforsch. 31c, 115 [1976]; received November 3 1975) 
  Published    1976 
  Keywords    Potassium Sodium, Ionophores, Antibiotics, Transport 
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 TEI-XML for    default:Reihe_C/31/ZNC-1976-31c-0115.pdf 
 Identifier    ZNC-1976-31c-0115 
 Volume    31 
2Author    R. Einhard KanneRequires cookie*
 Title    Isolation and Characterization of a Potassium Specific Ionophore from Streptococcus fuecalis  
 Abstract    The synthesis of a potassium and rubidium specific ionophore by S treptococcu s faecalis has been proved, using bilayer measurements. The characteristics of this substance agree with the ones, published for free mobile carriers, such as valinomycin and the macrotetrolides. 
  Reference    (Z. Naturforsch. 32c, 926 [1977]; received August 24 1977) 
  Published    1977 
  Keywords    Potassium, Ionophores, Transport, Antibiotics, Black Lipid Membranes 
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 TEI-XML for    default:Reihe_C/32/ZNC-1977-32c-0926.pdf 
 Identifier    ZNC-1977-32c-0926 
 Volume    32 
3Author    G. Ünther, F. E. SchererRequires cookie*
 Title    A New M ethod to Prepare M em brane F ractions Containing Ionophore-Stim ulated A T P a se from Pumpkin H ypocotyls (Cucurbita maxima, L .)  
 Abstract    In membrane fractions from pumpkin hypocotyls AT­ Pase activity was stimulated by a combination o f CCCP (carbonyl cyanide m-chlorophenylhydrazone), a pro-tonophore, and valinomycin, a K +-ionophore. Singly, these ionophores stimulated ATPase activity much less. Nigericin, an H+/K +-antiporter, and nystatin, a cation pore, had similar effects as the combination o f CCCP and valinomycin. The results suggest the presence o f a cation-translocating ATPase which is stimulated by ionophores by dissipating cation gradients formed in the vesicles. A major part of the ionophore-stimulated ATPase activity correlat­ ed with marker enzymes for plasma membranes but part o f it could be located in other compartments. 
  Reference    Z. Naturforsch. 37c, 550 (1982); received March 5 1982 
  Published    1982 
  Keywords    H +-ATPase, Ionophores, Plasma Membrane, Cucurbita 
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 TEI-XML for    default:Reihe_C/37/ZNC-1982-37c-0550_n.pdf 
 Identifier    ZNC-1982-37c-0550_n 
 Volume    37