Inositol pyrophosphate catabolism by three families of phosphatases controls plant growth and development
Florian Laurent,
Simon M. Bartsch,
Anuj Shukla
et al.
Abstract:Inositol pyrophosphates (PP-InsPs) are nutrient messengers whose cellular concentration must be tightly regulated. Diphosphoinositol pentakisphosphate kinases (PPIP5Ks) generate the active signaling molecule 1,5-InsP8. PPIP5Ks contain additional phosphatase domains involved in PP-InsP catabolism. Plant and Fungi Atypical Dual Specificity Phosphatases (PFA-DSPs) and NUDIX phosphatases (NUDTs) also hydrolyze PP-InsPs. Here we dissect the relative contributions of the three different phosphatase families to plant… Show more
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