
Differences in shoot Na+ accumulation between two tomato species are due to differences in ion affinity of HKT1;2
Keywords: A, alanine; D, aspartic acid; GUSβ, -glucoronidase; H, histidine; HKT, high-affinity K+ transporter; HPLC, high performance liquid chromatography; L, leucine; MPM, membrane–pore–membrane domain; N, asparagine; P, proline; PD, pore domain; Q, glutamine; R,