Abstract
High iron-content transgenic tobacco plants have been produced by transfer via Agrobacterium tumefaciens of soyabean ferritin cDNA under the control of a CaMV 35S promoter. Immunoblot analysis of protein from transgenic tobacco plants suggested mature ferritin subunits are produced by cleavage of transit peptides. The expressed ferritin was observed in the tissues of leaves and stems. The maximal iron content of transformant leaves was approximately 30% higher than leaves from non-transformants. The increased iron content of each transformant was correlated with increases in ferritin content. These results demonstrate the potential of breeding high iron content crops by introduction of the ferritin gene
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Goto, F., Yoshihara, T. & Saiki, H. Iron accumulation in tobacco plants expressing soyabean ferritin gene. Transgenic Res 7, 173–180 (1998). https://doi.org/10.1023/A:1008836812714
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DOI: https://doi.org/10.1023/A:1008836812714