Asymmetric division and cell-fate determination in developing pollen

被引：132

作者：

Twell, D ^{[1
]}

Park, SK ^{[1
]}

Lalanne, E ^{[1
]}

机构：

[1] Univ Leicester, Dept Biol, Leicester LE1 7RH, Leics, England

来源：

TRENDS IN PLANT SCIENCE | 1998年 / 3卷 / 08期

基金：

新加坡国家研究基金会; 英国生物技术与生命科学研究理事会;

关键词：

D O I：

10.1016/S1360-1385(98)01277-1

中图分类号：

Q94 [植物学];

学科分类号：

071001 ;

摘要：

The first mitotic division of the haploid microspore in the pathway of pollen development is a striking example of an asymmetric division that leads to different fates in the daughter cells. Recently, new insight into microspore polarity and cell-fate determination in pollen has been obtained in Arabidopsis by applying cell-fate markers in conjunction with a mutational approach. These studies suggest that development into a vegetative cell is the default programme, but that this is repressed in the generative cell as a result of division asymmetry. Gametophytic mutants that affect cell division, division asymmetry and cell fate have highlighted the importance of asymmetrically localized factors in microspore polarity and cell-fate determination in pollen.

引用

页码：305 / 310

页数：6

共 38 条

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