Boosting autophagy in sexual reproduction : a plant perspective

© 2020 The Authors. New Phytologist © 2020 New Phytologist Trust.

Bibliographische Detailangaben
Veröffentlicht in:The New phytologist. - 1979. - 226(2020), 3 vom: 01. Mai, Seite 679-689
1. Verfasser: Li, Shanshan (VerfasserIn)
Weitere Verfasser: Yan, He, Mei, Wei-Ming, Tse, Yu Chung, Wang, Hao
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2020
Zugriff auf das übergeordnete Werk:The New phytologist
Schlagworte:Journal Article Research Support, Non-U.S. Gov't autophagy plant fertilization plant sexual reproduction pollen development pollen germination pollen tube growth programmed cell death
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520 |a The key process of sexual reproduction is the successful fusion of the sperm and egg cell. Distinct from dynamic and flagellated animal sperm cells, higher flowering plant sperm cells are immotile. Therefore, plants have evolved a novel reproductive system to achieve fertilization and generate progenies. Plant sexual reproduction consists of multiple steps, mainly including gametophyte development, pollen-pistil recognition, pollen germination, double fertilization and postfertilization. During reproduction, active production, consumption and recycling of cellular components and energy are critically required to achieve fertilization. However, the underlying machinery of cellular degradation and turnover remains largely unexplored. Autophagy, the major catabolic pathway in eukaryotic cells, participates in regulating multiple aspects of plant activities, including abiotic and biotic stress resistance, pathogen response, senescence, nutrient remobilization and plant development. Nevertheless, a key unanswered question is how autophagy regulates plant fertilization and reproduction. Here, we focus on comparing and contrasting autophagy in several key reproductive processes of plant and animal systems to feature important distinctions and highlight future research directions of autophagy in angiosperm reproduction. We further discuss the potential crosstalk between autophagy and programmed cell death, which are often considered as two disconnected events in plant sexual reproduction 
650 4 |a Journal Article 
650 4 |a Research Support, Non-U.S. Gov't 
650 4 |a autophagy 
650 4 |a plant fertilization 
650 4 |a plant sexual reproduction 
650 4 |a pollen development 
650 4 |a pollen germination 
650 4 |a pollen tube growth 
650 4 |a programmed cell death 
700 1 |a Yan, He  |e verfasserin  |4 aut 
700 1 |a Mei, Wei-Ming  |e verfasserin  |4 aut 
700 1 |a Tse, Yu Chung  |e verfasserin  |4 aut 
700 1 |a Wang, Hao  |e verfasserin  |4 aut 
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