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DNA probes are fragments of DNA labeled with a reporter tag to enable their detection or purification. The resulting labeled DNA probes can then hybridize to target nucleic acid sequences through complementary base-pairing, and may be used to recover or identify these regions.
Radioisotopes, fluorophores, or small molecule binding partners like biotin or digoxigenin, are the most widely used reporter tags for labeling DNA probes. These labels can be attached to the probe DNA molecule via...
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生物成像中的生物对等反应

Eszter Kozma1, Péter Kele2

  • 1Chemical Biology Research Group, Institute of Organic Chemistry, HUN-REN Research Centre for Natural Sciences, Magyar Tudósok Krt. 2, Budapest, 1117, Hungary.

Topics in current chemistry (Cham)
|February 24, 2024
PubMed
概括

生物对角化学和合成生物学使生物分子的精确标记能够用于先进的成像. 新的探测器和最小标签允许在活体中进行多色,超分辨率的可视化,回答复杂的生物学问题.

科学领域:

  • 化学生物学 化学生物学
  • 分子成像学分子成像学
  • 合成生物学 合成生物学

背景情况:

  • 对生物分子的选择性标记对于理解细胞过程至关重要.
  • 生物对角化学和合成生物学为特定地点的标签提供了强大的工具.
  • 先进的成像技术需要新的探测器来实现高分辨率的可视化.

研究的目的:

  • 审查用于细胞内/体内成像的生物直角光探针设计的最新进展.
  • 为突出基因工程最小生物对等标签用于蛋白质标签的作用.
  • 讨论生物分子多色和超高分辨率成像中的应用.

主要方法:

  • 使用生物对等化学物质进行选择性标记.
  • 开发用于超分辨率显微镜的先进合成探针.
  • 采用基因工程最小标签用于特定位置的蛋白质标记.

主要成果:

  • 生物直角工具允许选择性安装多个标记器,用于多色/多模式成像.
  • 新型探测器可以在活体中以超高分辨率进行敏感的低背景成像.
  • 最小的生物对等标签对于特定地点的蛋白质应用至关重要.
关键词:
生物对角的生物对角.光标签的使用方法化物探测器进行化.活细胞成像 活细胞成像

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结论:

  • 生物对等化学,合成生物学和先进探测器的整合彻底改变了生物分子成像.
  • 这些技术使我们能够从分子层面对生物过程有前所未有的洞察力.
  • 未来的方向侧重于对复杂的生物问题进行增强的探测器设计和最小标签开发.