Cloning and promoter activity analyses of the promoter of 2'-deoxymugineic acid (DMA) secretion channel gene YS3 in maize.

Abstract

Iron (Fe) deficiency is a world-wide serious agricultural problem. Maize secretes 2'-deoxymugineic acid (DMA) to uptake and utilize Fe from the soil. In order to explore the gene expression patterns of the DMA secretion channel gene YS3, we cloned the 2813 bp YS3 promoter, and constructed the plant expression vector pCAMBIA-YS3GUS. The promoter contains a… (More)

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