花粉管
生物
花粉
细胞生物学
植物繁殖
信号
信号转导
叶尖生长
授粉
植物
计算生物学
作者
Rui Malhó,Luísa Camacho,Ana Moutinho
出处
期刊:Annals of Botany
[Oxford University Press]
日期:2000-03-01
卷期号:85: 59-68
被引量:36
标识
DOI:10.1006/anbo.1999.0991
摘要
Plant fertilization is an essential process for seed production. One of the most interesting and important aspects is pollen tube growth from the stigma to the ovary. Understanding of the guidance mechanisms involved has been much debated, and important insights into the biochemical and physiological aspects of these events have been reported recently. Yet, the specific morphogenetic mechanisms which provide the pollen tube with these attributes remain very much unknown. In experimental terms, a substantial amount of research has dealt with the identification of cellular messengers, their capacity to generate a signal and how the information is coded in that signal. The role of cytosolic free calcium ([Ca2+]c) has received a great deal of attention but research is extending rapidly to other areas.
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