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1- Romera FJ, García MJ, Alcántara E, Pérez-Vicente R. Latest findings about the
interplay of auxin, ethylene and nitric oxide in the regulation of Fe deficiency
responses by Strategy I plants. Plant Signal Behav. 2011 Jan;6(1):167-70.
2- W.W. Chen, J L Yang, C. Qin, C W J, J H Mo, T Ye and S J Z. Nitric Oxide Acts Downstream of Auxin to Trigger Root Ferric-Chelate Reductase Activity in Response to Iron Deficiency in Arabidopsis. Plant Physiology , 2010, vol. 154 no. 2 , 810-819