Single-cell unroofing: probing topology and nanomechanics of native membranes [PDF]
, 2018 Cell membranes separate the cell interior from the external environment. They are constituted by a variety of lipids; their composition determines the dynamics of membrane proteins and affects the ability of the cells to adapt. Even though the study of model membranes allows to understand the interactions among lipids and the overall mechanics, little ...
arxiv +1 more source
Azobenzene photoisomerization probes cell membrane nanoviscosity [PDF]
, 2021 The viscosity of cell membranes is a crucial parameter that affects the diffusion of small molecules both across and within the lipidic membrane and that is related to several diseases. Therefore, the possibility to measure quantitatively membrane viscosity on the nanoscale is of great interest.
arxiv +1 more source
Investigating membrane breakdown of neuronal cells exposed to nonuniform electric fields by finite-element modeling and experiments [PDF]
, 2002 High electric field strengths may induce high cell membrane potentials. At a certain breakdown level the membrane potential becomes constant due to the transition from an insulating state into a high conductivity and high permeability state.
Heida, Tjitske +3 more
core +3 more sources
On the possible mechanisms of the selective effect of a non-equilibrium plasma on healthy and cancer cells in a physiological solution [PDF]
Plasma Res. Express 1 (2019) 045001, 2019 This paper discusses possible mechanisms for the selective effect of weakly ionized non-equilibrium plasma and currents in electrolyte on healthy and cancerous cells in physiological saline in a Petri dish. The interaction with the plasma source leads to a change in osmotic pressure, which affects the electro-mechanical properties of cell membranes in ...
arxiv +1 more source
TPLATE recruitment reveals endocytic dynamics at sites of symbiotic interface assembly in arbuscular mycorrhizal interactions [PDF]
, 2019 Introduction: Arbuscular mycorrhizal (AM) symbiosis between soil fungi and the majority of plants is based on a mutualistic exchange of organic and inorganic nutrients.
Bonfante, Paola +9 more
core +3 more sources
Line tension at lipid phase boundaries as driving force for HIV fusion peptide-mediated fusion
Nature Communications, 2016 HIV preferentially fuses with lipid membranes at the interface between ordered and disordered domains, but the mechanistic basis for this observation is not known. Here Yang et al.
Sung-Tae Yang +2 more
doaj +1 more source
Membrane Thickness Sensitivity of Avian Prestin: Implications [PDF]
arXiv, 2023 Avian prestin is sensitive to membrane thickness as much as mammalian prestin, which undergoes conformational transitions in membrane area and thereby drives length changes of the cylindrical cell body of outer hair cells. The membrane thickness dependence of mammalian prestin stems from changes in hydrophobic profile in conformational states ...
arxiv
How cells tiptoe on adhesive surfaces before sticking [PDF]
Biophysical Journal 94 (2008) 4114, 2008 Cell membranes are studded with protrusions that were thoroughly analyzed with electron microscopy. However, the nanometer-scale three-dimensional motions generated by cell membranes to fit the topography of foreign surfaces and initiate adhesion remain poorly understood.
arxiv +1 more source
The molecular architecture of engulfment during Bacillus subtilis sporulation. [PDF]
, 2019 The study of bacterial cell biology is limited by difficulties in visualizing cellular structures at high spatial resolution within their native milieu.
Khanna, Kanika +7 more
core +1 more source
Annexin A4 and A6 induce membrane curvature and constriction during cell membrane repair
Nature Communications, 2017 The role of annexins in cell membrane repair is largely undefined. Here the authors use a model lipid bilayer to show that annexin A4 induces curvature at the membrane free edge and annexin A6 induces constriction force, and find that both annexins are ...
Theresa Louise Boye +7 more
doaj +1 more source