Characterizing gibberellin flowin plantausing photocaged gibberellins
Chemical Science2018Vol. 10(5), pp. 1500–1505
Citations Over TimeTop 19% of 2018 papers
Shira Wexler, Hilla Schayek, Rajendar Kandhikonda, Iris Tal, Eilon Shani, Yasmine Meroz, Roman Dobrovetsky, Roy Weinstain
Abstract
Gibberellins (GAs) are ubiquitous plant hormones that coordinate central developmental and adaptive growth processes in plants. Accurate movement of GAs throughout the plant from their sources to their destination sites is emerging to be a highly regulated and directed process. We report on the development of novel photocaged gibberellins that, in combination with a genetically encoded GA-response marker, provide a unique platform to study GA movement at high-resolution, in real time and in living, intact plants. By applying this platform to the Arabidopsis thaliana endogenous bioactive gibberellin GA4, we measure kinetic parameters of its flow, such as decay length and velocity, in vivo.
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