Functional and developmental convergence in the reproductive "nurse cells" of flowering plants

被引:0
作者
Doll, Nicolas Max [1 ,2 ]
Truskina, Jekaterina [3 ]
Ingram, Gwyneth [3 ]
机构
[1] Univ Ghent, Dept Plant Biotechnol & Bioinformat, Ghent, Belgium
[2] VIB Ctr Plant Syst Biol, Ghent, Belgium
[3] UCBL, ENS Lyon, CNRS, INRAE,Lab Reprod & Dev Plantes, F-69342 Lyon, France
关键词
Nurse cells; Flowering plants; Endosperm; Tapetum; Anther; Seed; ENDOSPERM BREAKDOWN; EMBRYO; TAPETUM; ZHOUPI; SPOROPOLLENIN; EXPRESSION; TRANSPORT; PROTEINS; GENE; COAT;
D O I
10.5802/crbiol.119
中图分类号
Q [生物科学];
学科分类号
07 ; 0710 ; 09 ;
摘要
The successful sexual reproduction of flowering plants depends upon double fertilisation, during which pollen grains, produced within the male floral organ (the anther) deliver two sperm cells to the ovule, buried deep within the ovary, triggering the development of the embryo and the surrounding tissues of the seed. Although much attention has been given to pollen and embryo development, less has been focused on the supporting tissues surrounding these organisms as they develop, the tapetum and the endosperm. Intriguingly, despite their very different origins, these tissues appear to have converged functionally and developmentally. Here we will discuss this apparent convergence and its molecular and physiological basis.
引用
收藏
页码:45 / 54
页数:11
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