Induction of the IDI1 gene in Fe-deficient barley roots : A gene encoding a putative enzyme that catalyses the methionine salvage pathway for phytosiderophore production
2000
Abstract IDI1, a cDNA induced by Fe-deficiency, was isolated from Fe-deficient barley roots by differential hybridization screening. IDI1 transcripts in roots increased with Fe-deficiency treatment. IDI1 cDNA encoded a protein with 198 amino acids. The IDI1 protein is homologous to the bacterial protein E-2, which catalyzes the formation of a 2-keto-methylthiobutyric acid in the methionine salvage pathway. IDI1 protein is postulated to be an enzyme that participates in the pathway providing methionine for phytosiderophore production in Fedeficient barley roots.
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