Optical tweezers in single-molecule biophysics

CJ Bustamante, YR Chemla, S Liu… - Nature Reviews Methods …, 2021 - nature.com
Optical tweezers have become the method of choice in single-molecule manipulation
studies. In this Primer, we first review the physical principles of optical tweezers and the …

Stochastic mechano-chemical kinetics of molecular motors: a multidisciplinary enterprise from a physicist's perspective

D Chowdhury - Physics Reports, 2013 - Elsevier
A molecular motor is made of either a single macromolecule or a macromolecular complex.
Just like their macroscopic counterparts, molecular motors “transduce” input energy into …

The RSC chromatin remodelling ATPase translocates DNA with high force and small step size

G Sirinakis, CR Clapier, Y Gao, R Viswanathan… - The EMBO …, 2011 - embopress.org
ATP‐dependent chromatin remodelling complexes use the energy of ATP hydrolysis to
reposition and reconfigure nucleosomes. Despite their diverse functions, all remodellers …

[HTML][HTML] High-resolution optical tweezers for single-molecule manipulation

X Zhang, L Ma, Y Zhang - The Yale journal of biology and medicine, 2013 - ncbi.nlm.nih.gov
Forces hold everything together and determine its structure and dynamics. In particular, tiny
forces of 1-100 piconewtons govern the structures and dynamics of biomacromolecules …

Full molecular trajectories of RNA polymerase at single base-pair resolution

M Righini, A Lee, C Cañari-Chumpitaz… - Proceedings of the …, 2018 - National Acad Sciences
In recent years, highly stable optical tweezers systems have enabled the characterization of
the dynamics of molecular motors at very high resolution. However, the motion of many …

Ångström-precision optical traps and applications

TT Perkins - Annual review of biophysics, 2014 - annualreviews.org
Single-molecule optical-trapping experiments are now resolving the smallest units of motion
in biology, including 1-base-pair steps along DNA. This review initially concentrates on the …

Hidden Markov modeling with detailed balance and its application to single protein folding

Y Zhang, J Jiao, AA Rebane - Biophysical journal, 2016 - cell.com
Hidden Markov modeling (HMM) has revolutionized kinetic studies of macromolecules.
However, results from HMM often violate detailed balance when applied to the transitions …

Delineating cooperative responses of processive motors in living cells

AK Efremov, A Radhakrishnan… - Proceedings of the …, 2014 - National Acad Sciences
Characterizing the collective functions of cytoskeletal motors is critical to understanding
mechanisms that regulate the internal organization of eukaryotic cells as well as the roles …

Quantum dots to tail single bio-molecules inside living cells

P Pierobon, G Cappello - Advanced drug delivery reviews, 2012 - Elsevier
In the last two decades, the single particle and single molecule approach became more and
more popular to investigate the activity and the mechano-chemical properties of biological …

Improved hidden Markov models for molecular motors, part 1: basic theory

FE Müllner, S Syed, PR Selvin, FJ Sigworth - Biophysical journal, 2010 - cell.com
Abstract Hidden Markov models (HMMs) provide an excellent analysis of recordings with
very poor signal/noise ratio made from systems such as ion channels which switch among a …