Single-molecule localization microscopy
Single-molecule localization microscopy (SMLM) describes a family of powerful imaging
techniques that dramatically improve spatial resolution over standard, diffraction-limited …
techniques that dramatically improve spatial resolution over standard, diffraction-limited …
Chromatin accessibility: methods, mechanisms, and biological insights
AR Mansisidor, VI Risca - Nucleus, 2022 - Taylor & Francis
Access to DNA is a prerequisite to the execution of essential cellular processes that include
transcription, replication, chromosomal segregation, and DNA repair. How the proteins that …
transcription, replication, chromosomal segregation, and DNA repair. How the proteins that …
Condensed but liquid-like domain organization of active chromatin regions in living human cells
In eukaryotes, higher-order chromatin organization is spatiotemporally regulated as
domains, for various cellular functions. However, their physical nature in living cells remains …
domains, for various cellular functions. However, their physical nature in living cells remains …
Nucleosome plasticity is a critical element of chromatin liquid–liquid phase separation and multivalent nucleosome interactions
Liquid–liquid phase separation (LLPS) is an important mechanism that helps explain the
membraneless compartmentalization of the nucleus. Because chromatin compaction and …
membraneless compartmentalization of the nucleus. Because chromatin compaction and …
Fluorescent protein lifetimes report densities and phases of nuclear condensates during embryonic stem-cell differentiation
K Joron, JO Viegas, L Haas-Neill, S Bier, P Drori… - Nature …, 2023 - nature.com
Fluorescent proteins (FP) are frequently used for studying proteins inside cells. In advanced
fluorescence microscopy, FPs can report on additional intracellular variables. One variable …
fluorescence microscopy, FPs can report on additional intracellular variables. One variable …
Transcription dynamics and genome organization in the mammalian nucleus: Recent advances
K Wagh, DA Stavreva, GL Hager - Molecular Cell, 2024 - cell.com
Single-molecule tracking (SMT) has emerged as the dominant technology to investigate the
dynamics of chromatin-transcription factor (TF) interactions. How long a TF needs to bind to …
dynamics of chromatin-transcription factor (TF) interactions. How long a TF needs to bind to …
Single-nucleosome imaging reveals steady-state motion of interphase chromatin in living human cells
Dynamic chromatin behavior plays a critical role in various genome functions. However, it
remains unclear how chromatin behavior changes during interphase, where the nucleus …
remains unclear how chromatin behavior changes during interphase, where the nucleus …
Dynamic switching of transcriptional regulators between two distinct low-mobility chromatin states
K Wagh, DA Stavreva, RAM Jensen, V Paakinaho… - Science …, 2023 - science.org
How chromatin dynamics relate to transcriptional activity remains poorly understood. Using
single-molecule tracking, coupled with machine learning, we show that histone H2B and …
single-molecule tracking, coupled with machine learning, we show that histone H2B and …
In diverse conditions, intrinsic chromatin condensates have liquid-like material properties
Nuclear DNA in eukaryotes is wrapped around histone proteins to form nucleosomes on a
chromatin fiber. Dynamic folding of the chromatin fiber into loops and variations in the …
chromatin fiber. Dynamic folding of the chromatin fiber into loops and variations in the …
Physical nature of chromatin in the nucleus
K Maeshima, S Iida, S Tamura - Cold Spring Harbor …, 2021 - cshperspectives.cshlp.org
Genomic information is encoded on long strands of DNA, which are folded into chromatin
and stored in a tiny nucleus. Nuclear chromatin is a negatively charged polymer composed …
and stored in a tiny nucleus. Nuclear chromatin is a negatively charged polymer composed …