In the context of a recent massive increase in research on plant root functions and their
impact on the environment, root ecologists currently face many important challenges to keep …

Inorganic phosphate (Pi) is an essential macronutrient required for many fundamental
processes in plants, including photosynthesis and respiration, as well as nucleic acid …

Identifying key players and their interactions is fundamental for understanding biochemical
mechanisms at the molecular level. The ever-increasing number of alternative ways to …

Highlights•Pi stress restricts primary root growth through dual regulatory pathways.•Vacuolar
transporters regulate cytosolic Pi homeostasis.•InsP interacts with SPX domain to regulate Pi …

Intracellular inorganic orthophosphate (Pi) distribution and homeostasis profoundly affect
plant growth and development. However, its distribution patterns remain elusive owing to the …

Genetically encoded biosensors that directly interact with a molecule of interest were first
introduced more than 20 years ago with fusion proteins that served as fluorescent indicators …

Recent research on the regulation of cellular phosphate (Pi) homeostasis in eukaryotes has
collectively made substantial advances in elucidating inositol pyrophosphates (PP-InsP) as …

Phosphorus (P) is the second most essential macronutrient in terms of limiting plant growth.
The genes involved in P acquisition, transport, storage, utilization and respective regulation …

Highlights•Proteins with a SPX domain are involved in phosphate homeostasis in
eukaryotes.•SPX domain binds inositol pyrophosphates at high affinity.•Inositol …

Vacuoles play a fundamental role in storage and remobilization of various nutrients,
including phosphorus (P), an essential element for cell growth and development. Cells …