期刊
PLANT REPRODUCTION
卷 34, 期 4, 页码 307-319出版社
SPRINGER
DOI: 10.1007/s00497-021-00416-1
关键词
Anther evolution; Pollen development; Anther dehiscence; Microsporogenesis; Anther wall formation
资金
- Biotechnology and Biological Sciences Research Council (BBSRC) [BB/P002080/1]
- University of Nottingham (UoN) BBSRC Doctoral Training Partnership (DTP) NPIF CASE award
- Agriculture and Horticulture Development Board (AHDB)
- KWS UK Ltd
- Limagrain UK Ltd
- RAGT Seeds Ltd
- SECOBRA Recherches
- UoN BBSRC DTP CASE
- Syngenta Seeds
- UoN BBSRC DTP
- Royal Society [CHL\ R1\180496]
- BBSRC [BB/P002080/1] Funding Source: UKRI
Anther development and dehiscence are critical for fertilisation of angiosperm flowers and are highly conserved across different plant families. Understanding the evolution and divergence of anther development between monocots and dicots can lead to greater insights into the male reproductive process and increased crop yields. There is a need to study the complexities of anther development and challenge established models to achieve future sustainable crop yields.
Key message Anther development and dehiscence is considered from an evolutionary perspective to identify drivers for differentiation, functional conservation and to identify key questions for future male reproduction research. Development of viable pollen and its timely release from the anther are essential for fertilisation of angiosperm flowers. The formation and subsequent dehiscence of the anther are under tight regulatory control, and these processes are remarkably conserved throughout the diverse families of the angiosperm clade. Anther development is a complex process, which requires timely formation and communication between the multiple somatic anther cell layers (the epidermis, endothecium, middle layer and tapetum) and the developing pollen. These layers go through regulated development and selective degeneration to facilitate the formation and ultimate release of the pollen grains. Insight into the evolution and divergence of anther development and dehiscence, especially between monocots and dicots, is driving greater understanding of the male reproductive process and increased, resilient crop yields. This review focuses on anther structure from an evolutionary perspective by highlighting their diversity across plant species. We summarise new findings that illustrate the complexities of anther development and evaluate how they challenge established models of anther form and function, and how they may help to deliver future sustainable crop yields.
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