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相关概念视频

Light Acquisition02:16

Light Acquisition

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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 16, 2025

Experimental Design for Laser Microdissection RNA-Seq: Lessons from an Analysis of Maize Leaf Development
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Experimental Design for Laser Microdissection RNA-Seq: Lessons from an Analysis of Maize Leaf Development

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发展中的玉米耳的动态转录组景观.

Xiaomeng Shen1,2, Bing Xiao3,4, Tangnur Kaderbek1,2

  • 1State Key Laboratory of Maize Bio-breeding, China Agricultural University, Beijing, 100193, P.R. China.

The Plant journal : for cell and molecular biology
|September 21, 2023
PubMed
概括
此摘要是机器生成的。

玉米耳的发展对于谷物产量至关重要. 这项研究绘制了耳朵生长期间的基因活动图,揭示了关键的分子网络和参与玉米花朵发育的特定基因.

关键词:
齐亚梅斯 (Zea mays) 是一种植物.耳朵的发展 耳朵的发展高时空分辨率的转录组

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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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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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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 16, 2025

Experimental Design for Laser Microdissection RNA-Seq: Lessons from an Analysis of Maize Leaf Development
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Experimental Design for Laser Microdissection RNA-Seq: Lessons from an Analysis of Maize Leaf Development

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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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科学领域:

  • 植物生物学 植物生物学
  • 基因组学就是基因组学.
  • 农业科学 农业科学

背景情况:

  • 玉米耳的结构决定了种子数量和产量.
  • 了解耳朵的发育对于玉米育种至关重要.
  • 控制耳朵形态发生的分子网络在很大程度上是未知的.

研究的目的:

  • 描述控制玉米耳朵发育的分子网络.
  • 在耳朵形态发生过程中创建一个高分辨率的基因活动图谱.
  • 为了确定关键的基因和转录因子,涉及到耳朵的分化.

主要方法:

  • 高空间时间分辨率的转录组分析.
  • 采集和测序130个发展中的玉米耳样.
  • 生物信息分析用于识别基因表达模式和网络.

主要成果:

  • 转录组分为四个不同的发育阶段.
  • 确定了23793个基因,包括1513个转录因子 (TF).
  • 发现了9714个耳朵特异性基因和527个时间特异性基因,包括59个TFs.

结论:

  • 为玉米耳朵发育生成了一个全面的基因活动地图.
  • 发现了控制耳朵形态发生的调节模块和枢纽TF.
  • 提供了通过有针对性的育种改善玉米产量的基础数据.