Architecture, remodeling, and functions of the septin cytoskeleton

J Marquardt, X Chen, E Bi - Cytoskeleton, 2019 - Wiley Online Library
The septin family of proteins has fascinated cell biologists for decades due to the elaborate
architecture they adopt in different eukaryotic cells. Whether they exist as rings, collars, or …

Septin assembly and remodeling at the cell division site during the cell cycle

J Marquardt, X Chen, E Bi - Frontiers in Cell and Developmental …, 2021 - frontiersin.org
The septin family of proteins can assemble into filaments that further organize into different
higher order structures to perform a variety of different functions in different cell types and …

OOPS: Object-Oriented Polarization Software for analysis of fluorescence polarization microscopy images

WF Dean, TJ Nawara, RM Albert… - PLOS Computational …, 2024 - journals.plos.org
Most essential cellular functions are performed by proteins assembled into larger
complexes. Fluorescence Polarization Microscopy (FPM) is a powerful technique that goes …

Critical roles of a RhoGEF-anillin module in septin architectural remodeling during cytokinesis

X Chen, K Wang, T Svitkina, E Bi - Current Biology, 2020 - cell.com
How septin architecture is remodeled from an hourglass to a double ring during cytokinesis
in fungal and animal cells remains unknown. Here, we show that during the hourglass-to …

Phosphoregulation of the septin cytoskeleton in neuronal development and disease

B Werner, S Yadav - Cytoskeleton, 2023 - Wiley Online Library
Septins are highly conserved GTP‐binding proteins that oligomerize and form higher order
structures. The septin cytoskeleton plays an important role in cellular organization …

Spatio-angular fluorescence microscopy I. Basic theory

T Chandler, H Shroff, R Oldenbourg, P La Rivière - JOSA A, 2019 - opg.optica.org
We introduce the basic elements of a spatio-angular theory of fluorescence microscopy,
providing a unified framework for analyzing systems that image single fluorescent dipoles …

The kinetic landscape and interplay of protein networks in cytokinesis

H Okada, B MacTaggart, Y Ohya, E Bi - Iscience, 2021 - cell.com
Cytokinesis is executed by protein networks organized into functional modules. Individual
proteins within each module have been characterized to various degrees. However, the …

Defining domain-specific orientational order in the desmosomal cadherins

WF Dean, AL Mattheyses - Biophysical Journal, 2022 - cell.com
Desmosomes are large, macromolecular protein assemblies that mechanically couple the
intermediate filament cytoskeleton to sites of cadherin-mediated cell adhesion, thereby …

Septin filament compaction into rings requires the anillin Mid2 and contractile ring constriction

F Arbizzani, M Mavrakis, M Hoya, JC Ribas… - Cell reports, 2022 - cell.com
Septin filaments assemble into high-order molecular structures that associate with
membranes, acting as diffusion barriers and scaffold proteins crucial for many cellular …

Interplay of septin amphipathic helices in sensing membrane-curvature and filament bundling

BL Woods, KS Cannon, EJD Vogt… - Molecular Biology of …, 2021 - Am Soc Cell Biol
The curvature of the membrane defines cell shape. Septins are GTP-binding proteins that
assemble into heteromeric complexes and polymerize into filaments at areas of micron …