Figure 5.
AtHKT1:AtHKT1 transgene expression increases NaCl hypersensitivity of sos3-1 seedlings. Four-day-old in vitro-grown seedlings were transferred to a basal medium (MS salts, 30 g L−1 Suc, and 12 g L−1 Bacto Agar) without or supplemented with NaCl; sos3-1, vector control (sos3-1-pCAM, two independent lines) and AtHKT1:AtHKT1 transformed lines (sos3-1-HKT1:HKT1, five independent lines). Root growth was determined 6 d after transfer; values are the mean ± se (n ≥ 11).