Article
Endosperm breakdown in Arabidopsis requires heterodimers of the basic helix-loop-helix proteins ZHOUPI and INDUCER OF CBP EXPRESSION 1.
Development (Cambridge, England) - 1 Mar 2014
Denay Grégoire, Creff Audrey, Moussu Steven, Wagnon Pauline, Thévenin Johanne, Gérentes Marie-France, Chambrier Pierre, Dubreucq Bertrand, Ingram Gwyneth
Abstract excerpt
In Arabidopsis seeds, embryo growth is coordinated with endosperm breakdown. Mutants in the endosperm-specific gene ZHOUPI (ZOU), which encodes a unique basic helix-loop-helix (bHLH) transcription factor, have an abnormal endosperm that persists throughout seed development, significantly impeding embryo growth. Here we show that loss of function of the bHLH-encoding gene INDUCER OF CBP EXPRESSION 1 (ICE1) causes...
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