Bio-molecular applications of recent developments in optical tweezers

D Choudhary, A Mossa, M Jadhav, C Cecconi - Biomolecules, 2019 - mdpi.com
In the past three decades, the ability to optically manipulate biomolecules has spurred a new
era of medical and biophysical research. Optical tweezers (OT) have enabled experimenters …

Nanopores: a versatile tool to study protein dynamics

S Schmid, C Dekker - Essays in biochemistry, 2021 - portlandpress.com
Proteins are the active workhorses in our body. These biomolecules perform all vital cellular
functions from DNA replication and general biosynthesis to metabolic signaling and …

Assignment of structural transitions during mechanical unwrapping of nucleosomes and their disassembly products

C Díaz-Celis, C Cañari-Chumpitaz… - Proceedings of the …, 2022 - National Acad Sciences
Nucleosome DNA unwrapping and its disassembly into hexasomes and tetrasomes is
necessary for genomic access and plays an important role in transcription regulation …

Observation of processive telomerase catalysis using high-resolution optical tweezers

EM Patrick, JD Slivka, B Payne, MJ Comstock… - Nature chemical …, 2020 - nature.com
Telomere maintenance by telomerase is essential for continuous proliferation of human cells
and is vital for the survival of stem cells and 90% of cancer cells. To compensate for …

ALS/FTLD-linked mutations in FUS glycine residues cause accelerated gelation and reduced interactions with wild-type FUS

K Rhine, MA Makurath, J Liu, S Skanchy, C Lopez… - Molecular cell, 2020 - cell.com
The RNA-binding protein fused in sarcoma (FUS) can form pathogenic inclusions in
neurodegenerative diseases like amyotrophic lateral sclerosis (ALS) and frontotemporal …

Nano‐optical tweezers: Methods and applications for trapping single molecules and nanoparticles

JD Kolbow, NC Lindquist, CT Ertsgaard… - …, 2021 - Wiley Online Library
Optical tweezers were developed in 1970 by Arthur Ashkin as a tool for the manipulation of
micron‐sized particles. Ashkin's original design was then adapted for a variety of purposes …

Using single-molecule approaches to understand the molecular mechanisms of heat-shock protein chaperone function

CL Johnston, NR Marzano, AM van Oijen… - Journal of molecular …, 2018 - Elsevier
The heat-shock proteins (Hsp) are a family of molecular chaperones, which collectively form
a network that is critical for the maintenance of protein homeostasis. Traditional ensemble …

Regulation of Rep helicase unwinding by an auto-inhibitory subdomain

MA Makurath, KD Whitley, B Nguyen, TM Lohman… - Biophysical …, 2019 - cell.com
RNA-DNA hybrids are functionally essential structures involved in numerous protein-
dependent processes such as transcription and viral reverse transcription. The hybrid …

Multiple kinesins induce tension for smooth cargo transport

M Tjioe, S Shukla, R Vaidya, A Troitskaia… - Elife, 2019 - elifesciences.org
How cargoes move within a crowded cell—over long distances and at speeds nearly the
same as when moving on unimpeded pathway—has long been mysterious. Through an in …

From folding to function: complex macromolecular reactions unraveled one-by-one with optical tweezers

PO Heidarsson, C Cecconi - Essays in Biochemistry, 2021 - portlandpress.com
Single-molecule manipulation with optical tweezers has uncovered macromolecular
behaviour hidden to other experimental techniques. Recent instrumental improvements …