谷类作物花器官的诞生与消亡

IF 21.3 1区 生物学 Q1 PLANT SCIENCES
Yongyu Huang, Thorsten Schnurbusch
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引用次数: 0

摘要

谷类作物的小花是生产粮食或饲料的基本生殖器官。小花的诞生要经历分生组织的萌发、花器官特征的确定和维持。在这些过程中,内源和外源线索都可能引发花器官过早死亡,导致生殖失败。最近在不同谷类作物中取得的进展发现了控制小花诞生的既保守又独特的调节因子。然而,人们刚刚开始了解花死亡的分子基础。在本综述中,我们首先概述了目前在主要谷物花发育领域的发现,并概述了不同形式的花死亡,尤其是在三尖杉科作物中。然后,我们强调了维管形态和光合作用在花的发育和繁殖成功中的重要性,并主张在农业生态学的背景下扩大对花的生死平衡的认识。植物生物学年刊》第 75 卷的最终在线出版日期预计为 2024 年 5 月。修订后的预计日期请参见 http://www.annualreviews.org/page/journal/pubdates。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
The Birth and Death of Floral Organs in Cereal Crops.

Florets of cereal crops are the basic reproductive organs that produce grains for food or feed. The birth of a floret progresses through meristem initiation and floral organ identity specification and maintenance. During these processes, both endogenous and external cues can trigger a premature floral organ death, leading to reproductive failure. Recent advances in different cereal crops have identified both conserved and distinct regulators governing the birth of a floret. However, the molecular underpinnings of floral death are just beginning to be understood. In this review, we first provide a general overview of the current findings in the field of floral development in major cereals and outline different forms of floral deaths, particularly in the Triticeae crops. We then highlight the importance of vascular patterning and photosynthesis in floral development and reproductive success and argue for an expanded knowledge of floral birth-death balance in the context of agroecology.

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来源期刊
Annual review of plant biology
Annual review of plant biology 生物-植物科学
CiteScore
40.40
自引率
0.40%
发文量
29
期刊介绍: The Annual Review of Plant Biology is a peer-reviewed scientific journal published by Annual Reviews. It has been in publication since 1950 and covers significant developments in the field of plant biology, including biochemistry and biosynthesis, genetics, genomics and molecular biology, cell differentiation, tissue, organ and whole plant events, acclimation and adaptation, and methods and model organisms. The current volume of this journal has been converted from gated to open access through Annual Reviews' Subscribe to Open program, with all articles published under a CC BY license.
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