DNA Repair

Part of: DNA/RNA-Protein Interactions

Today’s scientific trends are racing towards smaller scales and experimentation that provides both structural and mechanistic insights. To decipher biomolecular mechanisms you need methods capable of detecting the interactions between proteins and nucleic acids as they happen and at the molecular level.

We offer solutions that enable you to measure, manipulate, and visualize DNA-protein interaction in real-time and at the single-molecule level, with both high throughput and resolution. Uncover the structure, function and dynamics interplay between proteins and nucleic acids.

Scientists can use optical tweezers to trap beads and catch a biomolecule, such as DNA, in between. This biomolecule can then be manipulated by moving the beads, while the force and extension are measured. Fluorescently labeled proteins can be visualized with confocal or STED fluorescence microscopy. The combination of optical tweezers with simultaneous multicolor fluorescence measurements allows correlating the mechanical properties of the DNA with the protein activity. With optical tweezers – fluorescence microscopy you can:


  • Visualize and directly measure DNA-protein interactions in DNA repair to find the kinetics and exact mechanisms involved at the single-molecule level
  • Correlate the mechanical properties of the DNA with the binding location and quantity of DNA repair proteins
  • Perform experiments under biologically relevant conditions and highly crowded environments and link the in vitro experiment with the in vivo situation
  • Study the effect of small molecules and biologics in DNA repair pathways.

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Technology
Optical Tweezers and Fluorescence Microscopy

Scientists can use acoustic forces to manipulate, stretch and measure hundreds of single molecules at the same time. Multiple DNA, RNA or protein-coated molecules can be tethered between a bead and a glass surface. Using Acoustic Force Spectroscopy (AFS) technology you can then apply controlled forces on all beads synchronously and probe the mechanical properties of each molecule in parallel. With this highly parallel single-molecule method you can:


  • Investigate the mechanics of many DNA molecules in the presence of DNA repair proteins and in different buffers, at the single-molecule level
  • Gain insights into the dynamics and cooperative behavior of protein binding to the DNA
  • Perform experiments under biologically relevant conditions and link the in vitro experiment with the in vivo situation
  • Study the effect of small molecules and biologics in DNA repair pathways
  • Receive large datasets containing many single-molecule measurements from a single experiment.

Learn more about:
Technology
Parallel Single-Molecule Force Spectroscopy
Optical Tweezers and Fluorescence Microscopy

Technology

The combination of optical tweezers and fluorescence microscopy allows for simultaneous manipulation and visualization of molecular interactions in real-time

Solutions

C-Trap Optical Tweezers Fluorescence Microscopy
C-Trap™

Optical Tweezers and Fluorescence Microscopy

m-Trap™ Optical Tweezers
m-Trap™

Optical Tweezers

Parallel Single-Molecule Force Spectroscopy

Technology

A novel single-molecule and single-cell manipulation technology that allows the user to apply acoustic forces on multiple biomolecules and cells while tracking them in 3D with high accuracy.

Solutions

AFS™ Parallel Single-Molecule Force Spectroscopy
AFS™

Parallel Single-Molecule Force Spectroscopy

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