Cryo-electron tomography on focused ion beam lamellae transforms structural cell biology

C Berger, N Premaraj, RBG Ravelli, K Knoops… - Nature …, 2023 - nature.com
Cryogenic electron microscopy and data processing enable the determination of structures
of isolated macromolecules to near-atomic resolution. However, these data do not provide …

Extracellular membrane vesicles in the three domains of life and beyond

S Gill, R Catchpole, P Forterre - FEMS microbiology reviews, 2019 - academic.oup.com
Cells from all three domains of life, Archaea, Bacteria and Eukarya, produce extracellular
vesicles (EVs) which are sometimes associated with filamentous structures known as …

Formation and function of bacterial organelles

C Greening, T Lithgow - Nature Reviews Microbiology, 2020 - nature.com
Advances in imaging technologies have revealed that many bacteria possess organelles
with a proteomically defined lumen and a macromolecular boundary. Some are bound by a …

The Gram-positive bacterial cell wall

M Rohde - Microbiology Spectrum, 2019 - Am Soc Microbiol
The chapter about the Gram-positive bacterial cell wall gives a brief historical background
on the discovery of Gram-positive cell walls and their constituents and microscopic methods …

Bdellovibrio predation cycle characterized at nanometre-scale resolution with cryo-electron tomography

M Kaplan, YW Chang, CM Oikonomou, WJ Nicolas… - Nature …, 2023 - nature.com
Bdellovibrio bacteriovorus is a microbial predator that offers promise as a living antibiotic for
its ability to kill Gram-negative bacteria, including human pathogens. Even after six decades …

Prokaryotic cytoskeletons: protein filaments organizing small cells

J Wagstaff, J Löwe - Nature Reviews Microbiology, 2018 - nature.com
Most, if not all, bacterial and archaeal cells contain at least one protein filament system.
Although these filament systems in some cases form structures that are very similar to …

Toward high-resolution in situ structural biology with cryo-electron tomography and subtomogram averaging

FKM Schur - Current opinion in structural biology, 2019 - Elsevier
Highlights•Cryo-ET and subtomogram averaging allow visualizing macromolecular
complexes in close to physiological conditions.•This offers a significant potential for in situ …

[HTML][HTML] Integrating cellular electron microscopy with multimodal data to explore biology across space and time

CL McCafferty, S Klumpe, RE Amaro, W Kukulski… - Cell, 2024 - cell.com
Biology spans a continuum of length and time scales. Individual experimental methods only
glimpse discrete pieces of this spectrum but can be combined to construct a more holistic …

Lipid trafficking across the Gram-negative cell envelope

R Shrivastava, SS Chng - Journal of Biological Chemistry, 2019 - ASBMB
The outer membrane (OM) of Gram-negative bacteria exhibits unique lipid asymmetry, with
lipopolysaccharides (LPS) residing in the outer leaflet and phospholipids (PLs) in the inner …

Three-dimensional flagella structures from animals' closest unicellular relatives, the Choanoflagellates

JM Pinskey, A Lagisetty, L Gui, N Phan, E Reetz… - Elife, 2022 - elifesciences.org
In most eukaryotic organisms, cilia and flagella perform a variety of life-sustaining roles
related to environmental sensing and motility. Cryo-electron microscopy has provided …