块茎,或不是块茎:地下贮藏器官发育的分子和形态基础

IF 8.3 2区 生物学 Q1 PLANT SCIENCES Current opinion in plant biology Pub Date : 2024-05-16 DOI:10.1016/j.pbi.2024.102544
Madison L. Plunkert , Jesús Martínez-Gómez , Yesenia Madrigal , Adriana I. Hernández , Carrie M. Tribble
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引用次数: 0

摘要

地下贮藏器官出现在系统发育多样的植物类群中,由包括根和茎在内的多种组织类型产生。增厚生长可使地下贮藏器官容纳碳水化合物和其他营养物质,并要求各种侧生分生组织增殖,然后细胞扩张。WOX-CLE 模块在多个真叶植物系统中通过维管束韧皮部调节增粗生长,但其他侧生分生组织增殖的分子机制还不十分清楚。在马铃薯、洋葱和其他系统中,磷脂酰乙醇胺结合蛋白(PEBP)基因家族的成员会根据光周期线索诱导地下贮藏器官的发育。虽然人们对马铃薯块茎发育的分子机制有了很好的了解,但我们对植物地下贮藏器官广泛的形态和分类多样性缺乏详细的机制知识。
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Tuber, or not tuber: Molecular and morphological basis of underground storage organ development

Underground storage organs occur in phylogenetically diverse plant taxa and arise from multiple tissue types including roots and stems. Thickening growth allows underground storage organs to accommodate carbohydrates and other nutrients and requires proliferation at various lateral meristems followed by cell expansion. The WOX-CLE module regulates thickening growth via the vascular cambium in several eudicot systems, but the molecular mechanisms of proliferation at other lateral meristems are not well understood. In potato, onion, and other systems, members of the phosphatidylethanolamine-binding protein (PEBP) gene family induce underground storage organ development in response to photoperiod cues. While molecular mechanisms of tuber development in potato are well understood, we lack detailed mechanistic knowledge for the extensive morphological and taxonomic diversity of underground storage organs in plants.

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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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