Embryonic Patterning in Arabidopsis thaliana

被引:147
作者
Jenik, Pablo D. [1 ]
Gillmor, C. Stewart
Lukowitz, Wolfgang
机构
[1] Stanford Univ, Carnegie Inst, Dept Plant Biol, Stanford, CA 94305 USA
[2] Univ Penn, Dept Biol, Philadelphia, PA 19104 USA
[3] Cold Spring Harbor Lab, Cold Spring Harbor, NY 11724 USA
关键词
plant embryo development; cotyledon; hypocotyl; root; auxin; polarity; gene transcription;
D O I
10.1146/annurev.cellbio.22.011105.102609
中图分类号
Q2 [细胞生物学];
学科分类号
071009 ; 090102 ;
摘要
Early embryonic development in the flowering plant Arabidopsis thaliana follows a predictable sequence of cell divisions. Anatomical hallmarks and the expression of marker genes in dynamic patterns indicate that new cell fates are established with virtually every round of mitosis. Although some of the factors regulating these early patterning events have been identified, the overall process remains relatively poorly understood. Starting at the globular stage, when the embryo has approximately 100 cells, the organization of development appears to be taken over by programs that regulate postembryonic patterning throughout the life cycle.
引用
收藏
页码:207 / 236
页数:30
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