Ammonium as a signal for physiological and morphological responses in plants

• Published in: Journal of experimental botany Vol. 68; no. 10; pp. 2581 - 2592
• Main Authors: Liu, Ying, von Wirén, Nicolaus
• Format: Journal Article
• Language: English
• Published: England Oxford University Press 01.05.2017
• Subjects: Ammonium Compounds - metabolism; Plant Physiological Phenomena; Plant Roots - anatomy & histology; Plant Roots - physiology; Plants - anatomy & histology; REVIEW PAPER; Signal Transduction; nitrogen signaling; signal transduction; root system architecture; Membrane transporter; nutrient sensing

Ammonium is a major inorganic nitrogen source for plants. At low external supplies, ammonium promotes plant growth, while at high external supplies it causes toxicity. Ammonium triggers rapid changes in cytosolic pH, in gene expression, and in post-translational modifications of proteins, leading to...