Biophysical characterization of DNA binding from single molecule force measurements

KR Chaurasiya, T Paramanathan, MJ McCauley… - Physics of life …, 2010 - Elsevier
Single molecule force spectroscopy is a powerful method that uses the mechanical
properties of DNA to explore DNA interactions. Here we describe how DNA stretching …

The impact of DNA intercalators on DNA and DNA-processing enzymes elucidated through force-dependent binding kinetics

AS Biebricher, I Heller, RFH Roijmans… - Nature …, 2015 - nature.com
DNA intercalators are widely used as fluorescent probes to visualize DNA and DNA
transactions in vivo and in vitro. It is well known that they perturb DNA structure and stability …

Mechanisms of DNA binding determined in optical tweezers experiments

MJ McCauley, MC Williams - Biopolymers: Original Research …, 2007 - Wiley Online Library
The last decade has seen rapid development in single molecule manipulation of RNA and
DNA. Measuring the response force for a particular manipulation has allowed the free …

Unraveling the structure of DNA during overstretching by using multicolor, single-molecule fluorescence imaging

J van Mameren, P Gross, G Farge… - Proceedings of the …, 2009 - National Acad Sciences
Single-molecule manipulation studies have revealed that double-stranded DNA undergoes
a structural transition when subjected to tension. At forces that depend on the attachment …

Molecular structure, DNA binding mode, photophysical properties and recommendations for use of SYBR Gold

PJ Kolbeck, W Vanderlinden… - Nucleic acids …, 2021 - academic.oup.com
SYBR Gold is a commonly used and particularly bright fluorescent DNA stain, however, its
chemical structure is unknown and its binding mode to DNA remains controversial. Here, we …

Mechanisms of small molecule–DNA interactions probed by single-molecule force spectroscopy

AA Almaqwashi, T Paramanathan… - Nucleic acids …, 2016 - academic.oup.com
There is a wide range of applications for non-covalent DNA binding ligands, and
optimization of such interactions requires detailed understanding of the binding …

Quantifying force-dependent and zero-force DNA intercalation by single-molecule stretching

ID Vladescu, MJ McCauley, ME Nuñez, I Rouzina… - Nature …, 2007 - nature.com
We used single DNA molecule stretching to investigate DNA intercalation by ethidium and
three ruthenium complexes. By measuring ligand-induced DNA elongation at different …

Torsional sensing of small-molecule binding using magnetic tweezers

J Lipfert, S Klijnhout, NH Dekker - Nucleic acids research, 2010 - academic.oup.com
DNA-binding small molecules are widespread in the cell and heavily used in biological
applications. Here, we use magnetic tweezers, which control the force and torque applied to …

Exploring the interaction of ruthenium (II) polypyridyl complexes with DNA using single-molecule techniques

A Mihailovic, I Vladescu, M McCauley, E Ly… - Langmuir, 2006 - ACS Publications
Here we explore DNA binding by a family of ruthenium (II) polypyridyl complexes using an
atomic force microscope (AFM) and optical tweezers. We demonstrate using AFM that Ru …

HIV-1 nucleocapsid protein binds double-stranded DNA in multiple modes to regulate compaction and capsid uncoating

H Gien, M Morse, MJ McCauley, JP Kitzrow… - Viruses, 2022 - mdpi.com
The HIV-1 nucleocapsid protein (NC) is a multi-functional protein necessary for viral
replication. Recent studies have demonstrated reverse transcription occurs inside the fully …