Journal
NEW PHYTOLOGIST
Volume 225, Issue 2, Pages 637-652Publisher
WILEY
DOI: 10.1111/nph.16129
Keywords
inorganic polyphosphate; inositol pyrophosphates; nutrient signaling; phosphate metabolism; phosphate starvation responses
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Funding
- ERC starting grant from the European Research Council under the European Union's Seventh Framework Programme (FP/2007-2013)/ERC Grant [310856]
- Howard Hughes Medical Institute International Research Scholar Award
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Inorganic polyphosphates (polyPs) and inositol pyrophosphates (PP-InsPs) form important stores of inorganic phosphate and can act as energy metabolites and signaling molecules. Here we review our current understanding of polyP and inositol phosphate (InsP) metabolism and physiology in plants. We outline methods for polyP and InsP detection, discuss the known plant enzymes involved in their synthesis and breakdown, and summarize the potential physiological and signaling functions for these enigmatic molecules in plants.
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