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Imaging Subcellular Structures in the Living Zebrafish Embryo
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Targeted Manipulation/Repositioning of Subcellular Structures and Molecules.

Kathrin S Heinz1, M Cristina Cardoso2

  • 1Cell Biology and Epigenetics, Technische Universität Darmstadt, 64287, Darmstadt, Germany.

Methods in Molecular Biology (Clifton, N.J.)
|August 14, 2019
PubMed
Summary

Researchers developed a universal targeting method for precise manipulation of cellular components in live-cell imaging. This technique utilizes the strong interaction between GFP and GFP-binding nanobodies for advanced cell biology studies.

Keywords:
GFP-binding nanobodyGreen fluorescent proteinLive-cell microscopyProtein–protein interactionTargeted manipulationTargeted repositioning

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Area of Science:

  • Cell Biology
  • Molecular Biology
  • Biotechnology

Background:

  • Live-cell imaging enables real-time visualization and quantification of cellular processes.
  • Manipulating specific molecules and structures within cells is crucial for understanding complex biological functions.
  • Existing methods may lack the universality or specificity required for broad applications.

Purpose of the Study:

  • To establish a universal targeting strategy for directed manipulation of subcellular structures and molecules.
  • To leverage the high-affinity interaction between Green Fluorescent Protein (GFP) and GFP-binding nanobodies.
  • To provide a detailed protocol for setting up, optimizing, and validating this targeting approach.

Main Methods:

  • Development of a targeting system based on the specific binding of GFP and GFP-binding nanobodies.
  • Implementation of appropriate controls to ensure accuracy and specificity.
  • Validation of the targeting approach's efficiency and reliability.

Main Results:

  • Successful establishment of a universal targeting strategy for precise subcellular manipulation.
  • Demonstration of the system's effectiveness in live-cell imaging.
  • Exemplary applications showcasing the utility of the developed method.

Conclusions:

  • The developed GFP-nanobody based targeting approach offers a powerful tool for cell biology research.
  • This strategy allows for precise, real-time manipulation of cellular components.
  • The method is versatile and applicable to various studies involving DNA replication, transcription, and repair.