... zone (100 lm from the roottip) of Arabidopsis was used to measure the steady fluxprofile of K+.Table S1. Primers for amplifying the full-length cDNA,promoter and the length of other sequences ... White PJ & Broadley MR (2000) Mechanisms of caesium uptake by plants. New Phytol 147, 241–256.56 Hampton CR, Bowen HC, Broadley MR, HammondJP, Mead A, Payne KA, Pritchard J & White ... by low-K+, zeatin and cold treatments, and downregu-lated by high-K+stress. To further investigate the expression pattern of AtHELPS, pAtHELPS::GUS transgenic plants were generated. Histochem-ical...