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Updated: May 16, 2026

A Seed Coat Bedding Assay to Genetically Explore In Vitro How the Endosperm Controls Seed Germination in Arabidopsis thaliana
Published on: November 9, 2013
Cell wall invertase as a regulator in determining sequential development of endosperm and embryo through glucose
Lu Wang1, Shengjin Liao2, Yong-Ling Ruan1
1School of Environmental and Life Sciences; The University of Newcastle; Callaghan, NSW Australia; Australia-China Research Centre for Crop Improvement; The University of Newcastle; Callaghan, NSW Australia.
Abstract:
Seed development depends on coordination among embryo, endosperm and seed coat. Endosperm undergoes nuclear division soon after fertilization, whereas embryo remains quiescent for a while. Such a developmental sequence is of great importance for proper seed development. However, the underlying mechanism remains unclear. Recent results on the cellular domain- and stage-specific expression of invertase genes in cotton and Arabidopsis revealed that cell wall invertase may positively and specifically regulate nuclear division of endosperm after fertilization, thereby playing a role in determining the sequential development of endosperm and embryo, probably through glucose signaling.
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