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      Seed Proteins 

      A Multigene Family of Trypsin/α-Amylase Inhibitors from Cereals

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      Springer Netherlands

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          Most cited references53

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          Barley BLZ1: a bZIP transcriptional activator that interacts with endosperm-specific gene promoters.

          A cDNA encoding a bZIP transcription factor was obtained from barley endosperm and used to identify the corresponding gene from a genomic library. The gene, designated Blz1, contained six exons and five introns, plus a 442 nt-long 5'-untranslated leader sequence, and was located on chromosome 5H. The Blz1 mRNA was detected early in endosperm development and was also expressed in roots and leaves. The BLZ1 protein was a potent transcriptional activator in a yeast system; 85% of its activity was associated with the first 203 amino acid residues at the N-terminus, which included two acidic regions. Presumptive involvement of Blz1 in the regulation of gene expression in endosperm was ascertained by the DNA-binding properties of BLZ1 in electrophoretic mobility shift assays (EMSA) and by transient expression in barley developing endosperms, using, as effectors, Blz1 in both sense and anti-sense orientations. In the co-bombardment experiments, the beta-glucuronidase (GUS) reported gene responded to Blz1 if under the control of the endosperm-specific ltr1 promoter or under a synthetic promoter containing the endosperm box of gene Hor2. Sucrose synthase promoters Ss1 and Ss2 and synthetic promoters containing mutated sequences of Hor2 were unaffected in trans by Blz1.
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            The complete amino acid sequence of the bifunctional α-amylase/trypsin inhibitor from seeds of ragi (Indian finger millet,Eleusine coracanaGaertn.)

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              The complete amino acid sequence of a major wheat protein inhibitor of α-amylase

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                Author and book information

                Book Chapter
                1999
                : 617-633
                10.1007/978-94-011-4431-5_26
                48f56876-05d7-4ac3-965c-7f12d86d246d
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