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Under low iron availability, plants induce the expression of various genes for iron uptake and translocation. The rice (Oryza sativa) ubiquitin ligases OsHRZ1 and OsHRZ2 cause overall repression of these iron‐related genes at the transcript level, but their protein‐level regulation is unclear. We conducted a proteome analysis to identify key regulators whose abundance was regulated by OsHRZs at the...
Iron (Fe) is an essential element for most living organisms. To acquire sparingly soluble Fe from the rhizosphere, rice roots rely on two Fe acquisition pathways. The first of these pathways involves Fe(III) chelators specific to graminaceous plants, the mugineic acid family phytosiderophores, and the second involves absorption of Fe2+. Key components in this response include enzymes involved in the...
Iron is essential for most living organisms and its availability often determines survival and proliferation. The Oryza sativa (rice) transcription factor IDEF1 plays a crucial role in regulating iron deficiency‐induced genes involved in iron homeostasis. In the present report, we found characteristic histidine–asparagine repeat and proline‐rich regions in IDEF1 and its homolog in Hordeum vulgare...
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