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Carbonero Zalduegui, Pilar ORCID: https://orcid.org/0000-0002-4949-3577, Vicente Carbajosa, Jesus
ORCID: https://orcid.org/0000-0002-6332-1712, Mena, Montaña, Oñate Sanchez, Luis
ORCID: https://orcid.org/0000-0001-7047-5739, Lara, Pilar and Diaz Rodriguez, Isabel
ORCID: https://orcid.org/0000-0001-9865-902X
(1999).
bZIP and DOF transcription factors in the regulation of gene expression in barley endosperm.
In: "Sixth International Workshop on Seeds", Enero, 1999, Mérida, México. p. 15.
Title: | bZIP and DOF transcription factors in the regulation of gene expression in barley endosperm |
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Author/s: |
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Item Type: | Presentation at Congress or Conference (Article) |
Event Title: | Sixth International Workshop on Seeds |
Event Dates: | Enero, 1999 |
Event Location: | Mérida, México |
Title of Book: | Seed Biology: Advances and Applications: Proceedings of the Sixth International Workshop on Seeds |
Date: | January 1999 |
Subjects: | |
Faculty: | E.T.S. de Ingeniería Agronómica, Alimentaria y de Biosistemas (UPM) |
Department: | Biotecnología - Biología Vegetal |
Creative Commons Licenses: | Recognition - No derivative works - Non commercial |
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The protein quality of cereal grain is determined by the quantity and composition of the prolamin storage proteins (hordeins in barley) that are specifically synthesized in the endosperm and that are regulated at the transcriptional level. Most prolamin gene promoters contain a bipartite sequence motif in the -300 region that becomes occupied early in endosperm development by nuclear trans -acting factors. cDNAs have been characterized from barley endosperm encoding DNA-binding proteins with affinity towards the two halves of the -300 motif: 5'TGTAAAG-3' prolamin box; PB) and 5'-GTGAGTCAT-3'(GCN4-like; GLM), respectively. The barley PB binding factor is a zinc finger of the DOF class while the GLM binding factors belong to the bZIP class of Transcription factors. Experiments in vivo and in vitro are described that strongly implicate these factors as important activators of hordein gene expression and suggest their evolutionary conservation among small grain cereals.
Item ID: | 56670 |
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DC Identifier: | https://oa.upm.es/56670/ |
OAI Identifier: | oai:oa.upm.es:56670 |
Deposited by: | Biblioteca ETSI Agronómica, Alimentaria y de Biosistemas |
Deposited on: | 04 Oct 2019 09:02 |
Last Modified: | 23 Nov 2022 11:38 |