ACH1 — Lactuca sativa

Summary

LsACH1, on lettuce chromosome 1, encodes a nitrate transporter belonging to the major facilitator superfamily (MFS) with nitrate and nitrite transmembrane transporter activity. The gene is associated with nitrate transmembrane transport, nitrate import, nitrate assimilation, cellular response to nitrate, and pH reduction. It has been linked to terpenoid anabolism, triglyceride metabolism, cell wall organization, response to wounding, and cell development. Associations with agronomic traits include nitrate content, root hair length, root development, nitrogen uptake and transport, lateral root initiation, root elongation, flowering time, cadmium uptake and accumulation, pathogen resistance, and growth promotion. The encoded protein localizes to the plasma membrane, tonoplast, and transporter complex. Related genes in other species link the family to high-affinity nitrate transport, nitrate uptake, root architecture, disease resistance, and acyl-CoA thioesterase activity.