Induction of root Fe(III) reductase activity and proton extrusion by iron deficiency is mediated by auxin-based systemic signalling inMalus xiaojinensis

• Published in: Journal of experimental botany Vol. 63; no. 2; pp. 859 - 870
• Main Authors: Wu, Ting, Zhang, Heng-Tao, Wang, Yi, Jia, Wen-Suo, Xu, Xue-Feng, Zhang, Xin-Zhong, Han, Zhen Hai
• Format: Journal Article
• Language: English
• Published: Oxford University Press 01.01.2012
• Subjects: Auxins; Insulin antibodies; Iron; Plant physiology; Plant roots; Plants; Protons; RESEARCH PAPER; Rhizosphere; Up regulation

Iron is a critical cofactor for a number of metalloenzymes involved in respiration and photosynthesis, but plants often suffer from iron deficiency due to limited supplies of soluble iron in the soil. Iron deficiency induces a series of adaptive responses in various plant species, but the mechanisms...