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Membranes
Special Issues
Structure and Conformation of Lipid Membranes
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Structure and Conformation of Lipid Membranes

A special issue of Membranes (ISSN 2077-0375). This special issue belongs to the section "Biological Membrane Composition and Structures".

Deadline for manuscript submissions: closed (30 November 2023) | Viewed by 1586

Special Issue Editors

Dr. José Antonio Santiago

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Guest Editor
Department of Applied Mathematics and Systems, Universidad Autónoma Metropolitana-Cuajimalpa, México, Mexico
Interests: elasticity of lipid membranes; nematic textures on curved surfaces
Prof. Dr. Francisco Monroy

E-Mail Website
Guest Editor
Department of Physical Chemistry, Complutense University of Madrid, 28040 Madrid, Spain
Interests: physical-chemistry of lipid membranes; liquid crystals on curves surfaces

Special Issue Information

Dear Colleagues,

The structure and conformation of lipid membranes has been a topic of interest for many years.  Recently there has been significant interest in analyzing the effect of inhomogeneities or asymmetries in the lipid monolayer or bilayer membrane distribution, to explain membrane morphologies that involve cytokinesis abscissions, budding, endocytosis, or even in the formation of membrane pores during exocytosis.

The aim of the Special Issue, Structure and Conformation of Lipid Membranes, is to highlight both theoretical and experimental advances that can shed light on the distribution of stresses  or elastic forces on these membrane morphologies.  We are pleased to invite you to submit original research articles as well as comprehensive reviews. Research areas may include (but are not limited to) the following: stress in lipid membranes, bilayer asymmetries, pores, budding transition, endocytosis, and cytokinesis.

We look forward to receiving your contributions. 

Dr. José Antonio Santiago
Prof. Dr. Francisco Monroy
Guest Editors

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Membranes is an international peer-reviewed open access monthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2700 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • bilayer asymmetry
  • morphology of lipid membranes
  • stress in lipid membranes
  • pores, necks in lipid membrane
  • forces in lipid membranes

Published Papers (1 paper)

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Research

23 pages, 1829 KiB  
Article
Inhomogeneous Canham–Helfrich Abscission in Catenoid Necks under Critical Membrane Mosaicity
by José Antonio Santiago and Francisco Monroy
Membranes 2023, 13(9), 796; https://doi.org/10.3390/membranes13090796 - 14 Sep 2023
Viewed by 1141
Abstract
The mechanical effects of membrane compositional inhomogeneities are analyzed in a process analogous to neck formation in cellular membranes. We cast on the Canham–Helfrich model of fluid membranes with both the spontaneous curvature and the surface tension being non-homogeneous functions along the cell [...] Read more.
The mechanical effects of membrane compositional inhomogeneities are analyzed in a process analogous to neck formation in cellular membranes. We cast on the Canham–Helfrich model of fluid membranes with both the spontaneous curvature and the surface tension being non-homogeneous functions along the cell membrane. The inhomogeneous distribution of necking forces is determined by the equilibrium mechanical equations and the boundary conditions as considered in the axisymmetric setting compatible with the necking process. To establish the role played by mechanical inhomogeneity, we focus on the catenoid, a surface of zero mean curvature. Analytic solutions are shown to exist for the spontaneous curvature and the constrictive forces in terms of the border radii. Our theoretical analysis shows that the inhomogeneous distribution of spontaneous curvature in a mosaic-like neck constrictional forces potentially contributes to the membrane scission under minimized work in living cells. Full article
(This article belongs to the Special Issue Structure and Conformation of Lipid Membranes)
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