Ion channels in microbes

B Martinac, Y Saimi, C Kung - Physiological reviews, 2008 - journals.physiology.org
Studies of ion channels have for long been dominated by the animalcentric, if not
anthropocentric, view of physiology. The structures and activities of ion channels had …

Static light scattering to characterize membrane proteins in detergent solution

DJ Slotboom, RH Duurkens, K Olieman, GB Erkens - Methods, 2008 - Elsevier
Determination of the oligomeric state or the subunit stoichiometry of integral membrane
proteins in detergent solution is notoriously difficult, because the amount of detergent (and …

[HTML][HTML] Piezo1 channels are inherently mechanosensitive

R Syeda, MN Florendo, CD Cox, JM Kefauver… - Cell reports, 2016 - cell.com
The conversion of mechanical force to chemical signals is critical for many biological
processes, including the senses of touch, pain, and hearing. Mechanosensitive ion channels …

[HTML][HTML] Molecular basis of force-from-lipids gating in the mechanosensitive channel MscS

B Reddy, N Bavi, A Lu, Y Park, E Perozo - Elife, 2019 - elifesciences.org
Prokaryotic mechanosensitive (MS) channels open by sensing the physical state of the
membrane. As such, lipid-protein interactions represent the defining molecular process …

Differential effects of lipids and lyso-lipids on the mechanosensitivity of the mechanosensitive channels MscL and MscS

T Nomura, CG Cranfield, E Deplazes… - Proceedings of the …, 2012 - National Acad Sciences
Mechanosensitive (MS) channels of small (MscS) and large (MscL) conductance are the
major players in the protection of bacterial cells against hypoosmotic shock. Although a …

A structural mechanism for MscS gating in lipid bilayers

V Vásquez, M Sotomayor, J Cordero-Morales… - Science, 2008 - science.org
The mechanosensitive channel of small conductance (MscS) is a key determinant in the
prokaryotic response to osmotic challenges. We determined the structural rearrangements …

[HTML][HTML] Selectivity mechanism of the mechanosensitive channel MscS revealed by probing channel subconducting states

CD Cox, T Nomura, CS Ziegler, AK Campbell… - Nature …, 2013 - nature.com
The mechanosensitive channel of small conductance (MscS) has been characterized at both
functional and structural levels and has an integral role in the protection of bacterial cells …

[HTML][HTML] Membrane stiffness is one of the key determinants of E. coli MscS channel mechanosensitivity

F Xue, CD Cox, N Bavi, PR Rohde, Y Nakayama… - … et Biophysica Acta (BBA …, 2020 - Elsevier
Mechanosensitive (MS) channels have an intimate relationship with membrane lipids that
underlie their mechanosensitivity. Membrane lipids may influence channel activity by directly …

[HTML][HTML] Structural dynamics of an isolated voltage-sensor domain in a lipid bilayer

S Chakrapani, LG Cuello, DM Cortes, E Perozo - Structure, 2008 - cell.com
A strong interplay between the voltage-sensor domain (VSD) and the pore domain (PD)
underlies voltage-gated channel functions. In a few voltage-sensitive proteins, the VSD has …

Three-dimensional architecture of membrane-embedded MscS in the closed conformation

V Vásquez, M Sotomayor, DM Cortes, B Roux… - Journal of molecular …, 2008 - Elsevier
The mechanosensitive channel of small conductance (MscS) is part of a coordinated
response to osmotic challenges in Escherichia coli. MscS opens as a result of membrane …