Intracellular phosphate recycling systems for survival during phosphate starvation in plants

Phosphorus (P) is an essential nutrient for plant growth and plants use inorganic phosphate (Pi) as their P source, but its bioavailable form, orthophosphate, is often limited in soils. Hence, plants have several mechanisms for adaptation to Pi starvation. One of the most common response strategies...

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Main Authors: Yushi Yoshitake, Kohki Yoshimoto
Format: Article
Language:English
Published: Frontiers Media S.A. 2023-01-01
Series:Frontiers in Plant Science
Subjects:
Online Access:https://www.frontiersin.org/articles/10.3389/fpls.2022.1088211/full
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author Yushi Yoshitake
Kohki Yoshimoto
author_facet Yushi Yoshitake
Kohki Yoshimoto
author_sort Yushi Yoshitake
collection DOAJ
description Phosphorus (P) is an essential nutrient for plant growth and plants use inorganic phosphate (Pi) as their P source, but its bioavailable form, orthophosphate, is often limited in soils. Hence, plants have several mechanisms for adaptation to Pi starvation. One of the most common response strategies is “Pi recycling” in which catabolic enzymes degrade intracellular constituents, such as phosphoesters, nucleic acids and glycerophospholipids to salvage Pi. Recently, several other intracellular degradation systems have been discovered that salvage Pi from organelles. Also, one of sphingolipids has recently been identified as a degradation target for Pi recycling. So, in this mini-review we summarize the current state of knowledge, including research findings, about the targets and degradation processes for Pi recycling under Pi starvation, in order to further our knowledge of the whole mechanism of Pi recycling.
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spelling doaj.art-522e4a884f86406b84ed9ffcdb7b7a8e2023-01-17T14:43:30ZengFrontiers Media S.A.Frontiers in Plant Science1664-462X2023-01-011310.3389/fpls.2022.10882111088211Intracellular phosphate recycling systems for survival during phosphate starvation in plantsYushi YoshitakeKohki YoshimotoPhosphorus (P) is an essential nutrient for plant growth and plants use inorganic phosphate (Pi) as their P source, but its bioavailable form, orthophosphate, is often limited in soils. Hence, plants have several mechanisms for adaptation to Pi starvation. One of the most common response strategies is “Pi recycling” in which catabolic enzymes degrade intracellular constituents, such as phosphoesters, nucleic acids and glycerophospholipids to salvage Pi. Recently, several other intracellular degradation systems have been discovered that salvage Pi from organelles. Also, one of sphingolipids has recently been identified as a degradation target for Pi recycling. So, in this mini-review we summarize the current state of knowledge, including research findings, about the targets and degradation processes for Pi recycling under Pi starvation, in order to further our knowledge of the whole mechanism of Pi recycling.https://www.frontiersin.org/articles/10.3389/fpls.2022.1088211/fullphosphate recyclingphosphatasenucleasemembrane lipid remodelingautophagyvacuolar transporter
spellingShingle Yushi Yoshitake
Kohki Yoshimoto
Intracellular phosphate recycling systems for survival during phosphate starvation in plants
Frontiers in Plant Science
phosphate recycling
phosphatase
nuclease
membrane lipid remodeling
autophagy
vacuolar transporter
title Intracellular phosphate recycling systems for survival during phosphate starvation in plants
title_full Intracellular phosphate recycling systems for survival during phosphate starvation in plants
title_fullStr Intracellular phosphate recycling systems for survival during phosphate starvation in plants
title_full_unstemmed Intracellular phosphate recycling systems for survival during phosphate starvation in plants
title_short Intracellular phosphate recycling systems for survival during phosphate starvation in plants
title_sort intracellular phosphate recycling systems for survival during phosphate starvation in plants
topic phosphate recycling
phosphatase
nuclease
membrane lipid remodeling
autophagy
vacuolar transporter
url https://www.frontiersin.org/articles/10.3389/fpls.2022.1088211/full
work_keys_str_mv AT yushiyoshitake intracellularphosphaterecyclingsystemsforsurvivalduringphosphatestarvationinplants
AT kohkiyoshimoto intracellularphosphaterecyclingsystemsforsurvivalduringphosphatestarvationinplants