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  • Title: Characterization of a barley gene coding for an alpha-amylase inhibitor subunit (CMd protein) and analysis of its promoter in transgenic tobacco plants and in maize kernels by microprojectile bombardment.
    Author: Grosset J, Alary R, Gautier MF, Menossi M, Martinez-Izquierdo JA, Joudrier P.
    Journal: Plant Mol Biol; 1997 May; 34(2):331-8. PubMed ID: 9207849.
    Abstract:
    A gene coding for a barley CMd protein was isolated from a genomic library using a cDNA probe encoding the wheat CM3 protein. Promoter sequence analysis reveals motifs found in genes specifically expressed in endosperm and aleurone cells, as well as TATA and other putative functional boxes. 720 bp of the Hv85.1 CMd protein gene promoter, when fused to a gus coding region, were unable to direct GUS activity in the seeds of transgenic tobacco plants. In contrast, the same construction delivered into immature maize kernels by microprojectile bombardment was able to direct expression of GUS in the outermost cell layers of maize endosperm in both a tissue-specific and a developmentally determined manner.
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