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Plant Inflorescence Architecture: The Formation, Activity, and Fate of Axillary Meristems.
Cold Spring Harbor Perspectives in Biology ( IF 7.2 ) Pub Date : 2020-01-02 , DOI: 10.1101/cshperspect.a034652
Yang Zhu 1 , Doris Wagner 1
Affiliation  

The above-ground plant body in different plant species can have very distinct forms or architectures that arise by recurrent redeployment of a finite set of building blocks-leaves with axillary meristems, stems or branches, and flowers. The unique architectures of plant inflorescences in different plant families and species, on which this review focuses, determine the reproductive success and yield of wild and cultivated plants. Major contributors to the inflorescence architecture are the activity and developmental trajectories adopted by axillary meristems, which determine the degree of branching and the number of flowers formed. Recent advances in genetic and molecular analyses in diverse flowering plants have uncovered both common regulatory principles and unique players and/or regulatory interactions that underlie inflorescence architecture. Modulating activity of these regulators has already led to yield increases in the field. Additional insight into the underlying regulatory interactions and principles will not only uncover how their rewiring resulted in altered plant form, but will also enhance efforts at optimizing plant architecture in desirable ways in crop species.

中文翻译:

植物花序结构:腋生分生组织的形成、活动和命运。

不同植物物种的地上植物体可以具有非常不同的形式或结构,这些形式或结构是通过反复重新部署一组有限的积木——具有腋生分生组织的叶子、茎或枝以及花而产生的。本综述重点关注的不同植物科和物种中植物花序的独特结构决定了野生和栽培植物的繁殖成功率和产量。花序结构的主要贡献者是腋生分生组织采用的活动和发育轨迹,这决定了分枝的程度和形成的花的数量。不同开花植物的遗传和分子分析的最新进展揭示了共同的调控原则和独特的参与者和/或作为花序结构基础的调控相互作用。调节这些调节剂的活性已经导致该领域的产量增加。深入了解潜在的监管相互作用和原则不仅将揭示它们的重新布线如何导致植物形态发生改变,而且还将加强以理想方式优化作物物种的植物结构的努力。
更新日期:2019-11-01
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