机械力协调着发育中的油菜胚胎的新陈代谢。

IF 8.3 1区 生物学 Q1 PLANT SCIENCES New Phytologist Pub Date : 2024-07-24 DOI:10.1111/nph.19990
Hardy Rolletschek, Aleksandra Muszynska, Jörg Schwender, Volodymyr Radchuk, Björn Heinemann, Alexander Hilo, Iaroslav Plutenko, Peter Keil, Stefan Ortleb, Steffen Wagner, Laura Kalms, André Gündel, Hai Shi, Jörg Fuchs, Jedrzej Jakub Szymanski, Hans-Peter Braun, Ljudmilla Borisjuk
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引用次数: 0

摘要

种子内胚最初的自由膨胀会在某一时刻受到与种皮接触的抑制，从而形成褶皱和边界。虽然不太明显，但机械力似乎会触发并加速种子的成熟。然而，这种作用的机理基础仍不清楚。我们将影响油菜胚胎体内或体外生长的机械约束与分析方法相结合，包括磁共振成像和计算机图形重建、免疫标记、流式细胞术、转录组、蛋白质组、脂质组和代谢组分析。我们的数据表明，在体内，施加机械限制阻碍了种皮和胚乳的扩张，导致胚胎变形。胚胎成熟的特征是细胞停止增殖并刺激脂质和蛋白质储存，这意味着胚胎发育加速。潜在的分子特征包括细胞周期控制、活性氧代谢、转录重编程以及糖酵解通量的异构控制。限制体外培养胚胎的生长空间也会引起类似的反应。结论是，对发育中的油菜胚的生长施加机械限制为其成熟提供了重要的触发因素。
本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Mechanical forces orchestrate the metabolism of the developing oilseed rape embryo

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来源期刊
New Phytologist
New Phytologist 生物-植物科学
自引率
5.30%
发文量
728
期刊介绍： New Phytologist is an international electronic journal published 24 times a year. It is owned by the New Phytologist Foundation, a non-profit-making charitable organization dedicated to promoting plant science. The journal publishes excellent, novel, rigorous, and timely research and scholarship in plant science and its applications. The articles cover topics in five sections: Physiology & Development, Environment, Interaction, Evolution, and Transformative Plant Biotechnology. These sections encompass intracellular processes, global environmental change, and encourage cross-disciplinary approaches. The journal recognizes the use of techniques from molecular and cell biology, functional genomics, modeling, and system-based approaches in plant science. Abstracting and Indexing Information for New Phytologist includes Academic Search, AgBiotech News & Information, Agroforestry Abstracts, Biochemistry & Biophysics Citation Index, Botanical Pesticides, CAB Abstracts®, Environment Index, Global Health, and Plant Breeding Abstracts, and others.
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