Bringing structure to cell biology with cryo-electron tomography

LN Young, E Villa - Annual review of biophysics, 2023 - annualreviews.org
Recent advances in cryo-electron microscopy have marked only the beginning of the
potential of this technique. To bring structure into cell biology, the modality of cryo-electron …

Bacterial chemotaxis in human diseases

B Zhou, CM Szymanski, A Baylink - Trends in Microbiology, 2023 - cell.com
To infect and cause disease, bacterial pathogens must localize to specific regions of the host
where they possess the metabolic and defensive acumen for survival. Motile flagellated …

Grounding cognition: heterarchical control mechanisms in biology

W Bechtel, L Bich - … Transactions of the Royal Society B, 2021 - royalsocietypublishing.org
We advance an account that grounds cognition, specifically decision-making, in an activity
all organisms as autonomous systems must perform to keep themselves viable—controlling …

Tail proteins of phage SU10 reorganize into the nozzle for genome delivery

M Šiborová, T Füzik, M Procházková, J Nováček… - Nature …, 2022 - nature.com
Escherichia coli phage SU10 belongs to the genus Kuravirus from the class Caudoviricetes
of phages with short non-contractile tails. In contrast to other short-tailed phages, the tails of …

A flexible framework for multi-particle refinement in cryo-electron tomography

A Burt, L Gaifas, T Dendooven, I Gutsche - PLoS Biology, 2021 - journals.plos.org
Cryo-electron tomography (cryo-ET) and subtomogram averaging (STA) are increasingly
used for macromolecular structure determination in situ. Here, we introduce a set of …

Visualizing the membrane disruption action of antimicrobial peptides by cryo-electron tomography

EHL Chen, CH Wang, YT Liao, FY Chan… - Nature …, 2023 - nature.com
The abuse of antibiotics has led to the emergence of multidrug-resistant microbial
pathogens, presenting a pressing challenge in global healthcare. Membrane-disrupting …

Ligand-displaying Escherichia coli cells and minicells for programmable delivery of toxic payloads via type IV secretion systems

YG Li, K Kishida, N Ogawa-Kishida, PJ Christie - Mbio, 2023 - Am Soc Microbiol
Bacterial type IV secretion systems (T4SSs) are highly versatile macromolecular
translocators and offer great potential for deployment as delivery systems for therapeutic …

[HTML][HTML] Revealing bacterial cell biology using cryo-electron tomography

K Khanna, E Villa - Current Opinion in Structural Biology, 2022 - Elsevier
Visualizing macromolecules inside bacteria at a high spatial resolution has remained a
challenge owing to their small size and limited resolution of optical microscopy techniques …

Molecular model of a sensor of two-component signaling system

YL Ryzhykau, PS Orekhov, MI Rulev, AV Vlasov… - Scientific Reports, 2021 - nature.com
Two-component systems (TCS) are widespread signaling systems present in all domains of
life. TCS typically consist of a signal receptor/transducer and a response regulator. The …

Mechanisms of E. coli chemotaxis signaling pathways visualized using cryoET and computational approaches

K Hadjidemetriou, S Kaur, CK Cassidy… - Biochemical Society …, 2022 - portlandpress.com
Chemotaxis signaling pathways enable bacteria to sense and respond to their chemical
environment and, in some species, are critical for lifestyle processes such as biofilm …