Tissue and Organ Initiation in the Plant Embryo: A First Time for Everything

被引：61

作者：

Palovaara, Joakim ^{[1
]}

de Zeeuw, Thijs ^{[1
]}

Weijers, Dolf ^{[1
]}

机构：

[1] Wageningen Univ, Biochem Lab, NL-6703 HA Wageningen, Netherlands

来源：

ANNUAL REVIEW OF CELL AND DEVELOPMENTAL BIOLOGY, VOL 32 | 2016年 / 32卷

基金：

奥地利科学基金会;

关键词：

plant embryogenesis; asymmetric cell division; apical-basal axis; radial patterning; cell specification; meristems; stem cells; ROOT APICAL MERISTEM; STEM-CELL NICHE; ARABIDOPSIS EARLY EMBRYOGENESIS; HOMEODOMAIN-LEUCINE-ZIPPER; POLAR AUXIN TRANSPORT; TRANSCRIPTION FACTOR; PATTERN-FORMATION; FEEDBACK LOOP; STRUCTURAL BASIS; GENE-EXPRESSION;

D O I：

10.1146/annurev-cellbio-111315-124929

中图分类号：

Q2 [细胞生物学];

学科分类号：

071009 ; 090102 ;

摘要：

Land plants can grow to tremendous body sizes, yet even the most complex architectures are the result of iterations of the same developmental processes: organ initiation, growth, and pattern formation. A central question in plant biology is how these processes are regulated and coordinated to allow for the formation of ordered, 3D structures. All these elementary processes first occur in early embryogenesis, during which, from a fertilized egg cell, precursors for all major tissues and stem cells are initiated, followed by tissue growth and patterning. Here we discuss recent progress in our understanding of this phase of plant life. We consider the cellular basis for multicellular development in 3D and focus on the genetic regulatory mechanisms that direct specific steps during early embryogenesis.

引用

页码：47 / 75

页数：29

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