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相关概念视频

FISH - Fluorescent In-situ Hybridization02:07

FISH - Fluorescent In-situ Hybridization

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Fluorescence in situ hybridization, or FISH, was developed in the early 1980s and has quickly become one of the most widely used techniques in cytogenetics. Labeled probes are used to bind complementary DNA or RNA sequences on a chromosome or in a region within a cell. Earlier, the probes could only be obtained by cloning or reverse transcription of a DNA template. Currently, the probe oligonucleotides can be synthesized synthetically. Additionally, with the advancement of optical techniques,...
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相关实验视频

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Robust 3D DNA FISH Using Directly Labeled Probes
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Robust 3D DNA FISH Using Directly Labeled Probes

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使用顺序 FISH 的空间接触图的测量

Hiroaki Ohishi1

  • 1Division of Gene Expression Dynamics, Medical Institute of Bioregulation, Kyushu University, Fukuoka, Japan.

Methods in molecular biology (Clifton, N.J.)
|August 20, 2025
PubMed
概括

这项研究引入了一种使用DNA-seqFISH数据绘制基因组空间距离的方法. 这种技术可以精确地分析单个细胞内的基因转录和蛋白质定位.

科学领域:

  • 基因组学
  • 细胞生物学
  • 分子生物学

背景情况:

  • 细胞核中的基因组组织对于基因表达和染色体折叠至关重要.
  • 在现场的DNA序列光混合 (DNA-seqFISH) 允许对基因组坐标进行空间映射.

研究的目的:

  • 使用DNA-seqFISH亮点坐标数据生成DNA空间距离地图的方法.
  • 能够精确计算细胞内的基因组区域之间的距离.

主要方法:

  • 使用DNA-seqFISH获得的亮点坐标数据.
  • 应用计算分析来得出基因组的空间距离图.

主要成果:

  • 该方法允许精确计算特定基因组区域之间的距离.
  • 空间数据有助于分析单细胞和单基因分辨率的基因转录和蛋白质定位.

结论:

  • 开发的方法为研究更高阶基因组结构提供了强大的工具.
  • 这种方法提高了我们对基因组组织和细胞功能之间的关系的理解.
关键词:
距离矩阵小鼠胚胎干细胞单个单基因一个单元其他鱼类

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Single Molecule Fluorescence In Situ Hybridization smFISH Analysis in Budding Yeast Vegetative Growth and Meiosis
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Using Fluorescence In Situ Hybridization FISH to Monitor the State of Arm Cohesion in Prometaphase and Metaphase I Drosophila Oocytes
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