Characterization of a barley gene coding for an α-amylase inhibitor subunit (CMd protein) and analysis of its promoter in transgenic tobacco plants and in maize kernels by microprojectile bombardment

Characterization of a barley gene coding for an α-amylase inhibitor subunit (CMd protein) and... 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. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Plant Molecular Biology Springer Journals

Characterization of a barley gene coding for an α-amylase inhibitor subunit (CMd protein) and analysis of its promoter in transgenic tobacco plants and in maize kernels by microprojectile bombardment

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Publisher
Kluwer Academic Publishers
Copyright
Copyright © 1997 by Kluwer Academic Publishers
Subject
Life Sciences; Biochemistry, general; Plant Sciences; Plant Pathology
ISSN
0167-4412
eISSN
1573-5028
D.O.I.
10.1023/A:1005811111719
Publisher site
See Article on Publisher Site

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.

Journal

Plant Molecular BiologySpringer Journals

Published: Sep 29, 2004

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