Glycosylphosphatidylinositol-anchored proteins mediate the interactions between pollen/pollen tube and pistil tissues

Glycosylphosphatidylinositol-anchored proteins mediate the interactions between pollen/pollen tube and pistil tissues
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糖基磷脂酰肌醇锚定蛋白介导花粉/花粉管和雌蕊组织之间的相互作用

DOI:
10.1007/s00425-020-03526-8
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发表时间:
2021-01
期刊:
影响因子:
4.3
通讯作者:
Gao Xin-Qi
Gao Xin-Qi
中科院分区:
生物学2区
文献类型:
--
作者:
Yu Cai Yu;Zhang Huan Kai;Wang Ning;Gao Xin-Qi

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在开花植物中,花粉在柱头上的萌发和雌蕊组织中花粉管的生长是植物有性生殖的关键,它们涉及花粉/花粉管与雌蕊组织的相互作用。gpi锚定蛋白(GPI-APs)位于质膜外表面,在植物有性生殖的各个过程中发挥作用。这些证据表明,GPI-APs参与了核内体机制、Ca2+振荡、传递通道的发育、维持花粉管的完整性、增强受体样激酶(receptor-样kinase, RLK)与配体的相互作用、指导花粉管生长等。本文综述了GPI-APs在授粉过程中花粉/花粉管与雌蕊组织相互作用中的作用,包括花粉在柱头上的萌发、花粉管在传粉道中的生长、花粉管向胚珠的引导以及花粉管在胚囊内的接受等方面的研究进展。我们还讨论了GPI-APs在花粉/花粉管与雌蕊组织相互作用方面的研究前景。
In flowering plants, pollen germination on the stigma and pollen tube growth in pistil tissues are critical for sexual plant reproduction, which are involved in the interactions between pollen/pollen tube and pistil tissues. GPI-anchored proteins (GPI-APs) are located on the external surface of the plasma membrane and function in various processes of sexual plant reproduction. The evidences suggest that GPI-APs participate in endosome machinery, Ca2+oscillations, the development of the transmitting tract, the maintenance of the integrity of pollen tube, the enhancement of interactions of the receptor-like kinase (RLK) and ligand, and guidance of the growth of pollen tube, and so on. In this review, we will summarize the recent progress on the roles of GPI-APs in the interactions between pollen/pollen tube and pistil tissues during pollination, such as pollen germination on the stigma, pollen tube growth in the transmitting tract, pollen tube guidance to the ovule, and pollen tube reception in the embryo sac. We will also discuss the future outlook of GPI-APs in the interactions between pollen/pollen tube and pistil tissues.
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