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. 2008 Aug;3(8):521–524. doi: 10.4161/psb.3.8.6339

Figure 1.

Figure 1

The effects of auxin-transport and vesicle-trafficking inhibitors on the initial and second [Ca2+]c-increases. (A) The auxin transport inhibitor (TIBA) and vesicle trafficking inhibitor (BFA) were extracellularly applied to Arabidopsis seedlings for 2 h at the concentration of 10 µM. Each averaged trace shows changes in luminescence ratio induced by gravistimulation at the speed of 6 rpm in control (solid line; n = 39), TIBA- (closed circle; n = 16) and BFA-treated seedlings (open circle; n = 17). Inset shows an enlargement of the second [Ca2+]c-increase. (B) The peak amplitudes of the initial (left) and second (right) [Ca2+]c-increases are shown. Data represent means ± SEs, **p < 0.05; *p < 0.01, the two-tailed Student's t-test between control and each TIBA and BFA-treated seedlings.