Multiple gating steps in pollination lock the species specificity

© The Author(s) 2024. Published by Oxford University Press on behalf of the Society for Experimental Biology. All rights reserved. For commercial re-use, please contact reprintsoup.com for reprints and translation rights for reprints. All other permissions can be obtained through our RightsLink serv...

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Veröffentlicht in:Journal of experimental botany. - 1985. - (2024) vom: 29. Nov.
1. Verfasser: He, Yong-Jun (VerfasserIn)
Weitere Verfasser: Xu, Shuo, Zhang, Kai-Mei, Zhang, Yang, Liu, Xiang-Jian, Liu, Chen
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2024
Zugriff auf das übergeordnete Werk:Journal of experimental botany
Schlagworte:Journal Article Pollination pollen adhesion pollen germination pollen hydration pollen tube penetration species specificity stigma
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520 |a In flowering plants, pollen grain must undergo a series of critical processes, including adhesion, hydration, and germination, which are dependent on the stigma, to develop a pollen tube. This pollen tube then penetrates the stigma to reach the internal tissues of pistil, facilitating the transport of non-motile sperm cells to the embryo sac for fertilization. However, the dry stigma, characterized by the absence of an exudate that typically envelops the wet stigma, functions as a multi-layered filter in adhesion, hydration, germination and penetration that permits the acceptance of compatible pollen or tubes while rejecting incompatible ones, thereby protecting the embryo sac from ineffective fertilization and maintaining species specificity. Given the significance of these selective events, related research has consistently been at the forefront of reproductive studies, with notable advancements being made in recent times. In this review, we systematically synthesize the selective events and provide comprehensive, up-to-date summaries of occurrences on dry stigmas with a particular focus on the Brassicaceae family, following the chronological sequence of these events. Our objective is to update and elucidate the critical checkpoints within the pollination, identify unresolved questions, and propose potential avenues for future research in other plant families 
650 4 |a Journal Article 
650 4 |a Pollination 
650 4 |a pollen adhesion 
650 4 |a pollen germination 
650 4 |a pollen hydration 
650 4 |a pollen tube penetration 
650 4 |a species specificity 
650 4 |a stigma 
700 1 |a Xu, Shuo  |e verfasserin  |4 aut 
700 1 |a Zhang, Kai-Mei  |e verfasserin  |4 aut 
700 1 |a Zhang, Yang  |e verfasserin  |4 aut 
700 1 |a Liu, Xiang-Jian  |e verfasserin  |4 aut 
700 1 |a Liu, Chen  |e verfasserin  |4 aut 
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773 1 8 |g year:2024  |g day:29  |g month:11 
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