Journal Article

Transcriptional Regulation of Storage Protein Synthesis During Dicotyledon Seed Filling

Jérôme Verdier and Richard D. Thompson

in Plant and Cell Physiology

Published on behalf of Japanese Society of Plant Physiologists

Volume 49, issue 9, pages 1263-1271
Published in print September 2008 | ISSN: 0032-0781
Published online August 2008 | e-ISSN: 1471-9053 | DOI: http://dx.doi.org/10.1093/pcp/pcn116
Transcriptional Regulation of Storage Protein Synthesis During Dicotyledon Seed Filling

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  • Biochemistry
  • Molecular and Cell Biology
  • Plant Sciences and Forestry

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Seeds represent a major source of nutrients for human and animal livestock diets. The nutritive value of seeds is largely due to storage products which accumulate during a key phase of seed development, seed filling. In recent years, our understanding of the mechanisms regulating seed filling has advanced significantly due to the diversity of experimental approaches used. This review summarizes recent findings related to transcription factors that regulate seed storage protein accumulation. A framework for the regulation of storage protein synthesis is established which incorporates the events before, during and after seed storage protein synthesis. The transcriptional control of storage protein synthesis is accompanied by physiological and environmental controls, notably through the action of plant hormones and other intermediary metabolites. Finally, recent post-genomics analyses on different model plants have established the existence of a conserved seed filling process involving the master regulators (LEC1, LEC2, ABI3 and FUS3) but also revealed certain differences in fine regulation between plant families.

Keywords: Dicotyledons; Seed storage proteins; Transcription factors

Journal Article.  5660 words.  Illustrated.

Subjects: Biochemistry ; Molecular and Cell Biology ; Plant Sciences and Forestry

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