Quantitative mass imaging of single biological macromolecules

G Young, N Hundt, D Cole, A Fineberg, J Andrecka… - Science, 2018 - science.org
The cellular processes underpinning life are orchestrated by proteins and their interactions.
The associated structural and dynamic heterogeneity, despite being key to function, poses a …

Direct observation of the molecular mechanism underlying protein polymerization

N Hundt, D Cole, MF Hantke, JJ Miller, WB Struwe… - Science …, 2022 - science.org
Protein assembly is a main route to generating complexity in living systems. Revealing the
relevant molecular details is challenging because of the intrinsic heterogeneity of species …

[HTML][HTML] Mass-sensitive particle tracking to elucidate the membrane-associated MinDE reaction cycle

T Heermann, F Steiert, B Ramm, N Hundt, P Schwille - Nature methods, 2021 - nature.com
In spite of their great importance in biology, methods providing access to spontaneous molecular
interactions with and on biological membranes have been sparse. The recent advent of …

[HTML][HTML] Load-dependent modulation of non-muscle myosin-2A function by tropomyosin 4.2

N Hundt, W Steffen, S Pathan-Chhatbar, MH Taft… - Scientific reports, 2016 - nature.com
Tropomyosin isoforms play an important role in the organisation of cytoplasmic actomyosin
complexes in regard to function and cellular localisation. In particular, Tpm4.2 is upregulated …

[HTML][HTML] Three mammalian tropomyosin isoforms have different regulatory effects on nonmuscle myosin-2B and filamentous β-actin in vitro

S Pathan-Chhatbar, MH Taft, T Reindl, N Hundt… - Journal of Biological …, 2018 - ASBMB
The metazoan actin cytoskeleton supports a wide range of contractile and transport processes.
Recent studies have shown how the dynamic association with specific tropomyosin …

Molecular mechanisms of disease‐related human β‐actin mutations p. R183W and p. E364K

N Hundt, M Preller, O Swolski, AM Ang… - The FEBS …, 2014 - Wiley Online Library
Cytoplasmic β‐actin supports fundamental cellular processes in healthy and diseased cells
including cell adhesion, migration, cytokinesis and maintenance of cell polarity. Mutations in …

Label-free, mass-sensitive single-molecule imaging using interferometric scattering microscopy

N Hundt - Essays in Biochemistry, 2021 - portlandpress.com
Single-molecule imaging has mostly been restricted to the use of fluorescence labelling as a
contrast mechanism due to its superior ability to visualise molecules of interest on top of an …

McsB forms a gated kinase chamber to mark aberrant bacterial proteins for degradation

B Hajdusits, MJ Suskiewicz, N Hundt, A Meinhart… - Elife, 2021 - elifesciences.org
In Gram-positive bacteria, the McsB protein arginine kinase is central to protein quality
control, labeling aberrant molecules for degradation by the ClpCP protease. Despite its …

[PDF][PDF] Myosin II filament dynamics in actin networks revealed with interferometric scattering microscopy

LS Mosby, N Hundt, G Young, A Fineberg, M Polin… - Biophysical …, 2020 - cell.com
The plasma membrane and the underlying cytoskeletal cortex constitute active platforms for
a variety of cellular processes. Recent work has shown that the remodeling acto-myosin …

Quantitative mass imaging of single molecules in solution

G Young, N Hundt, D Cole, A Fineberg, J Andrecka… - bioRxiv, 2017 - biorxiv.org
The cellular processes underpinning life are orchestrated by proteins and their interactions.
Structural and dynamic heterogeneity, despite being key to protein and drug function, …