花器官特征多样化。

IF 8.3 2区生物学 Q1 PLANT SCIENCES

Current opinion in plant biology Pub Date : 2024-05-18 DOI:10.1016/j.pbi.2024.102550

Andrea D. Appleton, Elena M. Kramer

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引用次数: 0

摘要

花卉形态多样性的一个引人入胜的组成部分是新型花器官特征的进化。雄蕊的进化绝育产生了退化雄蕊，这也许是最容易理解的例子，退化雄蕊在被子植物中独立进化了无数次，并显示出相当大的形态范围。我们才刚刚开始了解对祖先雄蕊发育程序的修改是如何产生退化雄蕊的，但研究这一现象有可能帮助我们更广泛地了解花卉新颖性的起源和遗传网络的进化。

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Diversifying floral organ identity

A fascinating component of floral morphological diversity is the evolution of novel floral organ identities. Perhaps the best-understood example of this is the evolutionary sterilization of stamens to yield staminodes, which have evolved independently numerous times across angiosperms and display a considerable range of morphologies. We are only beginning to understand how modifications of the ancestral stamen developmental program have produced staminodes, but investigating this phenomenon has the potential to help us understand both the origin of floral novelty and the evolution of genetic networks more broadly.

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来源期刊

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.