Exploring molecular biology in sequence space: The road to next-generation single-molecule biophysics

Ivo Severins, Chirlmin Joo*, John van Noort

*Corresponding author for this work

Research output: Contribution to journalReview articleScientificpeer-review

Abstract

Next-generation sequencing techniques have led to a new quantitative dimension in the biological sciences. In particular, integrating sequencing techniques with biophysical tools allows sequence-dependent mechanistic studies. Using the millions of DNA clusters that are generated during sequencing to perform high-throughput binding affinity and kinetics measurements enabled the construction of energy landscapes in sequence space, uncovering relationships between sequence, structure, and function. Here, we review the approaches to perform ensemble fluorescence experiments on next-generation sequencing chips for variations of DNA, RNA, and protein sequences. As the next step, we anticipate that these fluorescence experiments will be pushed to the single-molecule level, which can directly uncover kinetics and molecular heterogeneity in an unprecedented high-throughput fashion. Molecular biophysics in sequence space, both at the ensemble and single-molecule level, leads to new mechanistic insights. The wide spectrum of applications in biology and medicine ranges from the fundamental understanding of evolutionary pathways to the development of new therapeutics.

Original languageEnglish
Pages (from-to)1788-1805
JournalMolecular Cell
Volume82
Issue number10
DOIs
Publication statusPublished - 2022

Keywords

  • biophysics
  • high throughput
  • molecular biology
  • sequencing
  • single molecule

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