ACH1 — Hordeum vulgare subsp. vulgare

Summary

HORVU.MOREX.R3.7HG0729020 (HvACH1) on barley chromosome 7H encodes a nitrate transporter belonging to the MFS superfamily, with nitrate and nitrite transmembrane transporter activity. The gene is associated with nitrate transmembrane transport, nitrate import, nitrate assimilation, and cellular response to nitrate. Its product localises to the plasmalemma, tonoplast, endomembrane system, and transporter complex. HvACH1 has been linked to grain yield, root length, root dry weight, shoot dry weight, leaf weight, relative root dry weight, and nitrate transport. Studies of related genes in other species connect the family to high-affinity nitrate uptake, though this is not established for HvACH1 itself.