PHO1 — Hordeum vulgare subsp. vulgare

Summary

HORVU.MOREX.R3.6HG0627980 (HvPHO1) on barley chromosome 6H encodes a protein with SPX and EXS domains, annotated with phosphate transmembrane transporter activity, IP6 binding, ubiquitin-protein transferase activity, and protein binding. It is associated with regulation of phosphate membrane transport, intracellular Pi homeostasis, polyphosphate and starch anabolism, cellular zinc ion homeostasis, endosperm and seed development, seed size regulation, red/far-red light signaling, and cellular response to phosphate starvation. The gene is linked to phosphorus uptake, leaf senescence, flowering time, low temperature stress response, and reproductive period traits. Localization evidence connects the protein to the plasma membrane, nucleus, endoplasmic reticulum, Golgi, endosomes, mitochondria, and cytosol. Related genes in other species are linked to root-to-shoot phosphate transfer and freezing tolerance.

Annotations

Chromosome
6H
Related genes
PHO1, T9I1.12, PHO2, PHO1-H3, T18E12.7, T18E12.8, T18E12.9, AT1G26730
GO terms
homeostasis, Endosome, Phosphate Transmembrane Transporter Activity, Phosphate Ion Transport, ER, Golgi complex, Regulation Of Gene Expression, Cytosol
Publications
12969422, 17172353, 16132859, 17085508, 23858430, 26556605, 20521954, 18631293
Traits
fungal pathogen resistance, phosphorus utilization, phosphate acquisition, phosphate uptake, phosphate accumulation, phosphate translocation, No Observable Growth or Phosphate Transport Defects, Reduced Growth and Impaired Root-to-Shoot Phosphate Transfer