Abstract: Branching determines the final shape of plants, which influences adaptation, survival and the visual quality of many species. It is an intricate process that includes bud outgrowth and shoot extension, and these in turn respond to environmental cues and light conditions. Light is a powerful environmental factor that impacts multiple processes throughout plant life. The molecular basis of the perception and transduction of the light signal within buds is poorly understood and undoubtedly requires to be further unravelled. This review is based on current knowledge on bud outgrowth-related mechanisms and light-mediated regulation of many physiological processes. It provides an extensive, though not exhaustive, overview of the findings related to this field. In parallel, it points to issues to be addressed in the near future.
Keywords: bud burst; photoperiod; photoreceptor; shade avoidance; hormone; sugar; nitrogen; meristem; apical dominance; architecture; radiation
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Leduc, N.; Roman, H.; Barbier, F.; Péron, T.; Huché-Thélier, L.; Lothier, J.; Demotes-Mainard, S.; Sakr, S. Light Signaling in Bud Outgrowth and Branching in Plants. Plants 2014, 3, 223-250.
Leduc N, Roman H, Barbier F, Péron T, Huché-Thélier L, Lothier J, Demotes-Mainard S, Sakr S. Light Signaling in Bud Outgrowth and Branching in Plants. Plants. 2014; 3(2):223-250.
Leduc, Nathalie; Roman, Hanaé; Barbier, François; Péron, Thomas; Huché-Thélier, Lydie; Lothier, Jérémy; Demotes-Mainard, Sabine; Sakr, Soulaiman. 2014. "Light Signaling in Bud Outgrowth and Branching in Plants." Plants 3, no. 2: 223-250.