找到正确的平衡:花丝在谷物花序发育过程中的持久作用及其对生育力的影响

IF 8.3 2区 生物学 Q1 PLANT SCIENCES
Guilherme V. Yoshikawa, Scott A. Boden
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引用次数: 0

摘要

开花是植物生命周期中的一个重要过程,开花时间的变化有助于谷物适应不同的环境。谷物研究的重点主要是了解开花信号(或称开花基因)如何调控花期转换和花穗出现的时间。然而,开花基因在花序发育过程中也发挥着持久的作用,引起较弱开花信号的基因型会产生分枝更多的花序,并带有额外的小花。这一结果表明,开花基因的可变表达可提高产量潜力,但进一步的分析表明,受抑制的花原素水平会影响生育力,从而抵消额外的谷粒生产点所带来的益处。在此,我们讨论了花叶原对早期和晚期花序发育的贡献方式,包括它们对分枝/小穗结构和生育力的影响。我们建议,深入了解花序发育过程中花叶原的作用,可用于平衡花叶原对整个开花期的影响,从而提高生产力。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Finding the right balance: The enduring role of florigens during cereal inflorescence development and their influence on fertility

Flowering is a vital process in a plant's lifecycle and variation for flowering-time has helped cereals adapt to diverse environments. Much cereal research has focused on understanding how flowering signals, or florigens, regulate the floral transition and timing of ear emergence. However, flowering genes also perform an enduring role during inflorescence development, with genotypes that elicit a weaker flowering signal producing more elaborately branched inflorescences with extra floret-bearing spikelets. While this outcome indicates that variable expression of flowering genes could boost yield potential, further analysis has shown that dampened florigen levels can compromise fertility, negating the benefit of extra grain-producing sites. Here, we discuss ways that florigens contribute to early and late inflorescence development, including their influence on branch/spikelet architecture and fertility. We propose that a deeper understanding of the role for florigens during inflorescence development could be used to balance the effects of florigens throughout flowering to improve productivity.

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来源期刊
Current opinion in plant biology
Current opinion in plant biology 生物-植物科学
CiteScore
16.30
自引率
3.20%
发文量
131
审稿时长
6-12 weeks
期刊介绍: Current Opinion in Plant Biology builds on Elsevier's reputation for excellence in scientific publishing and long-standing commitment to communicating high quality reproducible research. It is part of the Current Opinion and Research (CO+RE) suite of journals. All CO+RE journals leverage the Current Opinion legacy - of editorial excellence, high-impact, and global reach - to ensure they are a widely read resource that is integral to scientists' workflow.
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