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相关概念视频

Phloem and Sugar Transport02:02

Phloem and Sugar Transport

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Like many living organisms, plants have tissues that specialize in specific plant functions. For example, shoots are well adapted to rapid growth, while roots are structured to acquire resources efficiently. However, sugar production is primarily restricted to the photosynthetic cells that reside in the leaves of angiosperm plants. Sugar and other resources are transported from photosynthetic tissues to other specialized tissues by a process called translocation.
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In order to produce glucose, plants need to capture sufficient light energy. Many modern plants have evolved leaves specialized for light acquisition. Leaves can be only millimeters in width or tens of meters wide, depending on the environment. Due to competition for sunlight, evolution has driven the evolution of increasingly larger leaves and taller plants, to avoid shading by their neighbors with contaminant elaboration of root architecture and mechanisms to transport water and nutrients.
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相关实验视频

Updated: Jul 11, 2025

Author Spotlight: Improved Methods for Preparing Transverse Sections and Unrolled Whole Mounts of Maize Leaf Primordia for Fluorescence and Confocal Imaging
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Author Spotlight: Improved Methods for Preparing Transverse Sections and Unrolled Whole Mounts of Maize Leaf Primordia for Fluorescence and Confocal Imaging

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空间转录学揭示了在玉米核发育期间的糖糖后流体运输.

Yuxin Fu1,2,3, Wenxin Xiao1, Lang Tian1

  • 1College of Life Science, Shanghai Normal University, 100 Guilin Road, Shanghai, 200233, China.

Nature communications
|November 8, 2023
PubMed
概括
此摘要是机器生成的。

这项研究绘制了玉米核中的基因表达,识别了细胞群和控制粉,蛋白质和油储存的基因. 这些发现增强了对玉米核发育和农学特征的理解.

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Experimental Design for Laser Microdissection RNA-Seq: Lessons from an Analysis of Maize Leaf Development
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Obtaining High-Quality Transcriptome Data from Cereal Seeds by a Modified Method for Gene Expression Profiling
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相关实验视频

Last Updated: Jul 11, 2025

Author Spotlight: Improved Methods for Preparing Transverse Sections and Unrolled Whole Mounts of Maize Leaf Primordia for Fluorescence and Confocal Imaging
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Experimental Design for Laser Microdissection RNA-Seq: Lessons from an Analysis of Maize Leaf Development
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Obtaining High-Quality Transcriptome Data from Cereal Seeds by a Modified Method for Gene Expression Profiling

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科学领域:

  • 植物生物学 植物生物学
  • 基因组学就是基因组学.
  • 分子生物学分子生物学

背景情况:

  • 玉米核是复杂的结构,具有多种遗传起源.
  • 局限的空间基因表达数据阻碍了对细胞特异性功能和玉米基因发现的理解.

研究的目的:

  • 在谷物填充期间在玉米核中绘制空间基因表达特征.
  • 识别不同的细胞群和分子标记物.
  • 阐明粉,蛋白质和油的空间储存机制.

主要方法:

  • 微观切割玉米粒. 玉米粒的微观切割.
  • 空间转录学分析.空间转录学分析.
  • 电子RNA在位杂交用于基因表达可视化.

主要成果:

  • 在玉米核中识别了11个不同的细胞群.
  • 发现了332个分子标记基因.
  • 系统地阐明粉,蛋白质和油的空间储存机制.

结论:

  • 提供了玉米中基因表达的高分辨率空间地图.
  • 识别了关键的基因和细胞群,涉及到内核发育和物质储存.
  • 提供了对控制玉米重要的农学特征的功能基因的见解.