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相关概念视频

Seed Structure and Early Development of the Sporophyte02:33

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Seed structures are composed of a protective seed coat surrounding a plant embryo, and a food store for the developing embryo. The embryo contains the precursor tissues for leaves, stem, and roots. The endosperm and cotyledons—seed leaves—act as the food reserves for the growing embryo.
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相关实验视频

Updated: Jan 15, 2026

Agrobacterium-Mediated Genetic Transformation, Transgenic Production, and Its Application for the Study of Male Reproductive Development in Rice
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一个阶段性框架来研究米雌性体球体的发育.

Taehoon Kim1, Divya Rana1, Isabel Ocampo-Quiceno1

  • 1Microbiology and Cell Science Department, Institute of Food and Agricultural Sciences, University of Florida, Gainesville, FL, 32611, USA.

Plant reproduction
|January 14, 2026
PubMed
概括
此摘要是机器生成的。

研究人员开发了一种新的分阶段方法,用于使用长度来确定米的雌性性体 (FG) 发育. 这个框架精确地定义了六个发展阶段,有助于对作物产量至关重要的分子研究.

关键词:
胚胎囊中的胚胎雌性性球体细胞的发育.介质变化 (Meiosis) 是一个过程.线粒分裂 (mitosis) 是一种发生在细胞的过程.基于的长度进行分阶段.大米 大米 大米 大米 大米

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Transverse Sectioning of Mature Rice Oryza sativa L. Kernels for Scanning Electron Microscopy Imaging Using Pipette Tips as Immobilization Support
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Transverse Sectioning of Mature Rice Oryza sativa L. Kernels for Scanning Electron Microscopy Imaging Using Pipette Tips as Immobilization Support

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Protocols for Obtaining Zygotic and Somatic Embryos for Studying the Regulation of Early Embryo Development in the Model Legume Medicago truncatula
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Protocols for Obtaining Zygotic and Somatic Embryos for Studying the Regulation of Early Embryo Development in the Model Legume Medicago truncatula

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相关实验视频

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科学领域:

  • 植物生物学 植物生物学
  • 发展生物学 发展生物学
  • 生殖生物学 生殖生物学

背景情况:

  • 雌性配体 (FG) 发育对植物繁殖至关重要,影响受精和种子发育.
  • 为了研究分子动力学,需要精确地分阶段FG发育,特别是在水 (Oryza sativa),一个重要的粮食作物.
  • 目前的方法缺乏对FG发展的详细分子调查所需的精度.

研究的目的:

  • 为了建立一个精确和强大的分阶段框架,为蛋和FG发展.
  • 为了使FG开发过程中时间调节事件的详细分子分析.
  • 为了解粮食农业发展在谷物作物产量方面的作用提供一个工具.

主要方法:

  • 开发一个基于长度的卵分期框架.
  • 使用形态参数对FG发育进展进行系统分析.
  • 通过发育标记基因的转录表达验证分期方法.

主要成果:

  • 识别米中FG发育的六个形态上不同的发育阶段.
  • 证明框架在定义发展进度方面的准确性.
  • 发育阶段与暂时调节的基因表达成功相关.

结论:

  • 拟议的基于小长度的分阶段框架提供了一种系统和准确的方法来研究米FG的发展.
  • 这一框架有助于研究FG发展背后的分子机制,包括转录,表观遗传和代谢调节.
  • 这些发现对改善我们对谷物作物的繁殖过程的理解和加强粮食安全具有重要意义.