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Plant seeds will not germinate when in a dormant state. What then are the factors controlling dormancy? A recent study has uncovered two basic-helix-loop-helix proteins which repress germination and are critical for maintaining dormancy. The combined action of light and cold synergistically alleviates activity of these repressors thus stimulating germination.

Original publication

DOI

10.1016/j.cub.2005.12.010

Type

Journal article

Journal

Curr Biol

Publication Date

10/01/2006

Volume

16

Pages

R25 - R27

Keywords

Arabidopsis, Arabidopsis Proteins, Basic Helix-Loop-Helix Transcription Factors, Cold Temperature, Gene Expression Regulation, Plant, Germination, Light, Models, Biological, Seeds