Spur development and evolution: An update

IF 8.3 2区 生物学 Q1 PLANT SCIENCES Current opinion in plant biology Pub Date : 2024-06-18 DOI:10.1016/j.pbi.2024.102573
Shuixian Li , Jiannan Fan , Cheng Xue , Hongyan Shan , Hongzhi Kong
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Abstract

Floral spurs, widely recognized as a classic example of key morphological and functional innovation and thought to have promoted the origin and adaptive evolution of many flowering plant lineages, have attracted the attention of researchers for centuries. Despite this, the mechanisms underlying the development and evolution of these structures remain poorly understood. Recent studies have discovered the phytohormones and transcription factor genes that play key roles in regulating patterns of cell division and cell expansion during spur morphogenesis. Spur morphogenesis was also found to be tightly linked with the programs specifying floral zygomorphy, floral organ identity determination, and nectary development. Independent origins and losses of spurs in different flowering plant lineages, therefore, may be attributed to changes in the spur program and/or its upstream ones.

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刺的发展和演变:最新进展
花刺被广泛认为是关键形态和功能创新的经典范例,并被认为促进了许多开花植物品系的起源和适应性进化,数百年来一直吸引着研究人员的注意力。尽管如此,人们对这些结构的发育和进化机制仍然知之甚少。最近的研究发现,在距形态发生过程中,植物激素和转录因子基因在调节细胞分裂和细胞扩增模式方面发挥着关键作用。研究还发现,花刺的形态发生与花的左右形态、花器官特征的确定以及蜜腺的发育等程序密切相关。因此,不同开花植物系中花刺的独立起源和消失可能归因于花刺程序和/或其上游程序的变化。
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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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