… This chapter focuses on the ion uptake mechanisms of individual cells and roots. Cell walls
… Movement of low-molecular-weight solutes (eg, ions, organic acids, amino acids, sugars) …

… excess of anions, the root cells tend to compensate for … cell sap from roots absorbing cations
in excess of anIionIs. Hiatt andl Hendricks (5) (leternlined the pH of ethanol extracts of roots …

… uptake of La by barley roots in the presence of organic acids in detail. Acetic, malic and citric
acids were chosen as the representatives of organic acids … morphologically intact root cell-…

… of the root to (re)uptake amino acids. Our results indicate that in uncolonized hair root cells
of C. vulgaris, amino acid-induced membrane depolarizations are, in general, lower than in …

… the uptake of a series of weak acids by barley roots and their … the relative permeation rates
through cell membranes of the … ated acid that is present in the protoplasm of the root cells. …

… into the root. In mycorrhized plants, the plant root cells are assumed to take up amino acids
that … Amino acids synthesized in root tissue have to be exported to the shoot via the xylem. …

… (ii) Amino acid uplake sy.slems of root cells serve primarily as retrieval of amino acids delivered
… This report characterizes amino acid uptake by intact roots of R. cowntttnis seedlings, for …

… acids on the uptake of Pb by wheat roots under hydroponic conditions. Relevant mechanisms
were investigated by using time- and concentration-dependent Pb uptake … root cell walls. …

… Organic anion efflux is likely to be regulated by organic-anion permeable channels in the
plasma membrane or root cells and possibly by the synthesis of organic acids. (Modified from …

… from the soil, and transport proteins located in the plasma membrane of root cells are … is
expressed in root cells important for amino acid uptake, including the epidermis, root hairs, and …