期刊
EUROPEAN JOURNAL OF CELL BIOLOGY
卷 89, 期 2-3, 页码 225-230出版社
ELSEVIER GMBH, URBAN & FISCHER VERLAG
DOI: 10.1016/j.ejcb.2009.11.010
关键词
Arabidopsis; Embryo patterning; Auxin; WOX genes; Protein movement
类别
The basic body plan of the adult plant is established during embryogenesis, resulting in the juvenile form of the seedling. Arabidopsis embryogenesis is distinguished by a highly regular pattern of cell divisions. Some of these divisions are asymmetric, generating daughter cells with different fates. However, their subsequent differentiation might still depend on cell-cell communication to be fully accomplished or maintained. In some cases, cell fate specification solely depends on cell-cell communication that in general plays an important role in the generation of positional information within the embryo. Although auxin-dependent signalling has received much attention, other ways of cell-cell communication have also been demonstrated or suggested. This review focuses on aspects of pattern formation and cell-cell communication during Arabidopsis embryogenesis up to the mid-globular stage of development. (C) 2009 Elsevier GmbH. All rights reserved.
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