[HTML][HTML] Regulation of the chemotaxis histidine kinase CheA: A structural perspective

AR Muok, A Briegel, BR Crane - Biochimica et Biophysica Acta (BBA) …, 2020 - Elsevier
Bacteria sense and respond to their environment through a highly conserved assembly of
transmembrane chemoreceptors (MCPs), the histidine kinase CheA, and the coupling …

Diversity of bacterial chemosensory arrays

W Yang, A Briegel - Trends in microbiology, 2020 - cell.com
Chemotaxis is crucial for the survival of bacteria, and the signaling systems associated with
it exhibit a high level of evolutionary conservation. The architecture of the chemosensory …

Repurposing a chemosensory macromolecular machine

DR Ortega, W Yang, P Subramanian, P Mann… - Nature …, 2020 - nature.com
How complex, multi-component macromolecular machines evolved remains poorly
understood. Here we reveal the evolutionary origins of the chemosensory machinery that …

The chemosensory systems of Vibrio cholerae

DR Ortega, A Kjær, A Briegel - Molecular microbiology, 2020 - Wiley Online Library
Vibrio cholerae, the causative agent of the acute diarrheal disease cholera, is able to thrive
in diverse habitats such as natural water bodies and inside human hosts. To ensure their …

Protein activity sensing in bacteria in regulating metabolism and motility

A Alvarado, W Behrens, C Josenhans - Frontiers in microbiology, 2020 - frontiersin.org
Bacteria have evolved complex sensing and signaling systems to react to their changing
environments, most of which are present in all domains of life. Canonical bacterial sensing …

Atypical chemoreceptor arrays accommodate high membrane curvature

AR Muok, DR Ortega, K Kurniyati, W Yang… - Nature …, 2020 - nature.com
The prokaryotic chemotaxis system is arguably the best-understood signaling pathway in
biology. In all previously described species, chemoreceptors organize into a hexagonal (P6 …

The switch complex ArlCDE connects the chemotaxis system and the archaellum

Z Li, M Rodriguez‐Franco, SV Albers… - Molecular …, 2020 - Wiley Online Library
Cells require a sensory system and a motility structure to achieve directed movement.
Bacteria and archaea possess rotating filamentous motility structures that work in concert …

Structural basis for allosteric transitions of a multidomain pentameric ligand-gated ion channel

H Hu, RJ Howard, U Bastolla… - Proceedings of the …, 2020 - National Acad Sciences
Pentameric ligand-gated ion channels (pLGICs) are allosteric receptors that mediate rapid
electrochemical signal transduction in the animal nervous system through the opening of an …

The interaction of RecA with both CheA and CheW is required for chemotaxis

E Frutos-Grilo, M Marsal, O Irazoki, J Barbé… - Frontiers in …, 2020 - frontiersin.org
Salmonella enterica is the most frequently reported cause of foodborne illness. As in other
microorganisms, chemotaxis affords key physiological benefits, including enhanced access …

An Economical, Portable Manual Cryogenic Plunge Freezer for the Preparation of Vitrified Biological Samples for Cryogenic Electron Microscopy

JS Depelteau, G Koning, W Yang… - Microscopy and …, 2020 - cambridge.org
Visualizing biological structures and cellular processes in their native state is a major goal of
many scientific laboratories. In the past 20 years, the technique of preserving samples by …