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Response of the glucose sensor FLIPglu-600μΔ13 to sucrose in Arabidopsis roots.
In vivo response of FLIPglu-600μΔ13 to alternating equimolar concentrations of glucose and sucrose. Images were acquired and data analyzed as in Figure 1. FLIPglu-600μΔ13 does not respond to sucrose in vitro (inset). The bars represent the duration of perfusion with glucose (white) and sucrose (grey). Sugar concentrations are indicated above each bar.
