RESOLUTION OF DUAL MECHANISMS OF POTASSIUM ABSORPTION BY BARLEY ROOTS.
RESOLUTION OF DUAL MECHANISMS OF POTASSIUM ABSORPTION BY BARLEY ROOTS.
E. Epstein,D. W. Rains,O. E. Elzam
1963 · DOI: 10.1073/PNAS.49.5.684
Proceedings of the National Academy of Sciences of the United States of America · 583 Citations
TLDR
The relationship between the rates of absorption of K and Rb by barley roots and the concentration of these ions in the external solution, over the range 0.002 to 50 mM, is predictable on the assumption that two carrier sites bind and transport the ions.