AMT2 — Brassica juncea

Summary

BjAMT2 (BJUB01G45220S) on Indian mustard chromosome B01 encodes an ammonium channel protein belonging to the AmtB-like ammonium transporter family. The gene is associated with ammonium membrane transport, response to nematodes, arbuscular mycorrhizae formation, and response to symbiotic fungi. Its product localises to the periarbuscular membrane, plasmodesma, plasma membrane, cytoplasm, and general membrane. Annotated associations include root senescence, root-to-shoot ammonium translocation, and ammonium uptake. Related genes in other species are linked to ammonium and nitrogen transport, with reported minimal root ammonium uptake defects. Sequence similarity connections extend to traits such as phosphorus and potassium concentration, nitrogen recycling and content, root number and branching, lateral root number, leaf size, plant height, and vivipary.