▪ Abstract This review summarizes current knowledge about genes whose products function
in the transport of various cationic macronutrients (K, Ca) and micronutrients (Cu, Fe, Mn,
and Zn) in plants. Such genes have been identified on the basis of function, via
complementation of yeast mutants, or on the basis of sequence similarity, via database
analysis, degenerate PCR, or low stringency hybridization. Not surprisingly, many of these
genes belong to previously described transporter families, including those encoding Shaker …