Single-molecule experiments in biological physics: methods and applications

F Ritort - Journal of Physics: Condensed Matter, 2006 - iopscience.iop.org
I review single-molecule experiments (SMEs) in biological physics. Recent technological
developments have provided the tools to design and build scientific instruments of high …

Optical tweezers analysis of DNA–protein complexes

I Heller, TP Hoekstra, GA King, EJG Peterman… - Chemical …, 2014 - ACS Publications
Cellular DNA is continuously engaged in a molecular dance with many accessory proteins.
These proteins are responsible for orchestrating the storage, maintenance, and transfer of …

A CRISPR–Cas9-triggered strand displacement amplification method for ultrasensitive DNA detection

W Zhou, L Hu, L Ying, Z Zhao, PK Chu, XF Yu - Nature communications, 2018 - nature.com
Although polymerase chain reaction (PCR) is the most widely used method for DNA
amplification, the requirement of thermocycling limits its non-laboratory applications …

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 …

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 …

Dynamic structure of T4 gene 32 protein filaments facilitates rapid noncooperative protein dissociation

BA Cashen, M Morse, I Rouzina, RL Karpel… - Nucleic Acids …, 2023 - academic.oup.com
Bacteriophage T4 gene 32 protein (gp32) is a model single-stranded DNA (ssDNA) binding
protein, essential for DNA replication. gp32 forms cooperative filaments on ssDNA through …

LINE-1 retrotransposition requires the nucleic acid chaperone activity of the ORF1 protein

SL Martin, M Cruceanu, D Branciforte, PW Li… - Journal of molecular …, 2005 - Elsevier
LINE-1 is a highly successful, non-LTR retrotransposon that has played a leading role in
shaping mammalian genomes. These elements move autonomously through an RNA …

Generalized facilitated diffusion model for DNA-binding proteins with search and recognition states

M Bauer, R Metzler - Biophysical journal, 2012 - cell.com
Transcription factors (TFs) such as the lac repressor find their target sequence on DNA at
remarkably high rates. In the established Berg-von Hippel model for this search process, the …

Nucleic acid binding and chaperone properties of HIV-1 Gag and nucleocapsid proteins

M Cruceanu, MA Urbaneja, CV Hixson… - Nucleic acids …, 2006 - academic.oup.com
The Gag polyprotein of HIV-1 is essential for retroviral replication and packaging. The
nucleocapsid (NC) protein is the primary region for the interaction of Gag with nucleic acids …

Cisplatin induces loop structures and condensation of single DNA molecules

XM Hou, XH Zhang, KJ Wei, C Ji, SX Dou… - Nucleic acids …, 2009 - academic.oup.com
Structural properties of single λ DNA treated with anti-cancer drug cisplatin were studied
with magnetic tweezers and AFM. Under the effect of low-concentration cisplatin, the DNA …