Translocated signals regulating stem cell (meristem) activity in legumes

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Translocation channels of phloem and xylem allocate nutrients to growing plant organs. They also mediate communication between organs through transport of signals that elicit responses to developmental and environmental cues. The most important sites for signal transduction are the stem cells of root and shoot apical meristems. This project will discover and identify these signals using a metabolomic/proteomic approach and relying on a unique feature of lupin that permits collection of transport fluids. The project will identify ways to modify signal action to enhance performance of legumes.