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系统发育叶片的表皮毛发育受成熟叶片内营养传感器-传递机制调控。

Trichome development of systemic developing leaves is regulated by a nutrient sensor-relay mechanism within mature leaves.

作者信息

Wei Yu-Ting, Bao Qin-Xin, Shi Ya-Na, Mu Xin-Rong, Wang Yi-Bo, Jiang Ji-Hong, Yu Fu-Huan, Meng Lai-Sheng

机构信息

College of Bioengineering and Biotechnology, Tianshui Normal University, Tianshui, Gansu 741600, People's Republic of China.

School of Life Sciences, Jiangsu Normal University, Xuzhou, Jiangsu 221116, People's Republic of China.

出版信息

Sci Adv. 2025 Feb 7;11(6):eadq5820. doi: 10.1126/sciadv.adq5820. Epub 2025 Feb 5.

DOI:10.1126/sciadv.adq5820
PMID:39908362
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC11797492/
Abstract

Trichome initiation and development is regulated by a diverse range of environmental signals. However, how leaf carbohydrate status determines the trichome initiation and development of systemic developing leaves remains unclear. Here, we found that a specific organ (such as a mature leaf) could function as a nutrient sensor, subsequently promoting or suppressing nonautonomous regulation of trichome initiation and development in response to alternations in nutrient levels. This physical phenomenon was regulated by a sucrose ⟶ ACS7 ⟶ ethylene ⟶ EIN3 ⟶ SUC4 ⟶ sucrose pathway in mature leaves, with a remote control of trichome production in newly developing leaves via a sucrose ⟶ ACS7 ⟶ ethylene ⟶ EIN3 ⟶ TTG1 pathway. These data provide insights into how mature leaves function as nutrient sensors that control trichome formation within distant developing leaves through a nutrient sensor-relay mechanism. Our findings uncover both a previously unidentified, nutrient sensing-regulatory mechanism and the cognate underpinning molecular architecture.

摘要

腺毛的起始和发育受多种环境信号调控。然而，叶片碳水化合物状态如何决定系统发育叶片的腺毛起始和发育仍不清楚。在此，我们发现特定器官（如成熟叶）可作为营养传感器，随后根据营养水平的变化促进或抑制腺毛起始和发育的非自主调控。这种生理现象在成熟叶中由蔗糖→ACS7→乙烯→EIN3→SUC4→蔗糖途径调控，通过蔗糖→ACS7→乙烯→EIN3→TTG1途径远程控制新发育叶片中的腺毛产生。这些数据为成熟叶如何作为营养传感器通过营养传感中继机制控制远处发育叶片中的腺毛形成提供了见解。我们的研究结果揭示了一种先前未被识别的营养传感调控机制及其相关的分子结构基础。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/b996/11797492/9ac3b4daab8c/sciadv.adq5820-f10.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/b996/11797492/7fbb5677f8b1/sciadv.adq5820-f1.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/b996/11797492/f5b9042fb0cb/sciadv.adq5820-f2.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/b996/11797492/31a87174a7b8/sciadv.adq5820-f3.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/b996/11797492/19148c3e774f/sciadv.adq5820-f4.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/b996/11797492/90d98e17e80d/sciadv.adq5820-f5.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/b996/11797492/03936d46442e/sciadv.adq5820-f6.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/b996/11797492/921cc713b2c3/sciadv.adq5820-f7.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/b996/11797492/078c35584313/sciadv.adq5820-f8.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/b996/11797492/56a32ee6d4e2/sciadv.adq5820-f9.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/b996/11797492/9ac3b4daab8c/sciadv.adq5820-f10.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/b996/11797492/7fbb5677f8b1/sciadv.adq5820-f1.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/b996/11797492/f5b9042fb0cb/sciadv.adq5820-f2.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/b996/11797492/31a87174a7b8/sciadv.adq5820-f3.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/b996/11797492/19148c3e774f/sciadv.adq5820-f4.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/b996/11797492/90d98e17e80d/sciadv.adq5820-f5.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/b996/11797492/03936d46442e/sciadv.adq5820-f6.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/b996/11797492/921cc713b2c3/sciadv.adq5820-f7.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/b996/11797492/078c35584313/sciadv.adq5820-f8.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/b996/11797492/56a32ee6d4e2/sciadv.adq5820-f9.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/b996/11797492/9ac3b4daab8c/sciadv.adq5820-f10.jpg

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