Exploiting nanobodies and Affimers for superresolution imaging in light microscopy

Area of Science:

• Biophysics
• Molecular Biology
• Microscopy

Background:

• Traditional antibodies are the primary tool for protein localization in light microscopy.
• Superresolution microscopy has driven the development of novel imaging tools.
• Nanobodies and Affimers are emerging as alternatives to conventional antibodies.

Purpose of the Study:

• To explore the expansion of imaging tools for superresolution microscopy.
• To highlight the advantages of nanobodies and Affimers in protein localization.

Main Methods:

• Review of recent advancements in protein imaging techniques.
• Comparison of traditional antibodies with nanobodies and Affimers.

Main Results:

• Superresolution microscopy has led to a rapid expansion in imaging tool diversity.
• Nanobodies (small single-chain antibodies) and Affimers (artificial scaffold proteins) have emerged as key innovations.
• The smaller size of nanobodies and Affimers offers significant advantages for superresolution imaging compared to traditional antibodies.

Conclusions:

• Nanobodies and Affimers represent a significant advancement in protein localization techniques for superresolution microscopy.
• The reduced size of these novel binders facilitates improved imaging resolution and protein targeting.