Artículo
Water as a Link between Membrane and Colloidal Theories for Cells
Disalvo, Edgardo Anibal
; Rosa, Antonio Sebastián
; Cejas, Jimena del Pilar
; Frías, María de los Ángeles
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Fecha de publicación:
08/2022
Editorial:
Molecular Diversity Preservation International
Revista:
Molecules
ISSN:
1420-3049
Idioma:
Inglés
Tipo de recurso:
Artículo publicado
Clasificación temática:
Resumen
This review is an attempt to incorporate water as a structural and thermodynamic component of biomembranes. With this purpose, the consideration of the membrane interphase as a bidimensional hydrated polar head group solution, coupled to the hydrocarbon region allows for the reconciliation of two theories on cells in dispute today: one considering the membrane as an essential part in terms of compartmentalization, and another in which lipid membranes are not necessary and cells can be treated as a colloidal system. The criterium followed is to describe the membrane state as an open, non-autonomous and responsive system using the approach of Thermodynamic of Irreversible Processes. The concept of an open/non-autonomous membrane system allows for the visualization of the interrelationship between metabolic events and membrane polymorphic changes. Therefore, the Association Induction Hypothesis (AIH) and lipid properties interplay should consider hydration in terms of free energy modulated by water activity and surface (lateral) pressure. Water in restricted regions at the lipid interphase has thermodynamic properties that explain the role of H-bonding networks in the propagation of events between membrane and cytoplasm that appears to be relevant in the context of crowded systems.
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Articulos (CIBAAL)
Articulos de CENTRO DE INVESTIGACION EN BIOFISICA APLICADA Y ALIMENTOS
Articulos de CENTRO DE INVESTIGACION EN BIOFISICA APLICADA Y ALIMENTOS
Citación
Disalvo, Edgardo Anibal; Rosa, Antonio Sebastián; Cejas, Jimena del Pilar; Frías, María de los Ángeles; Water as a Link between Membrane and Colloidal Theories for Cells; Molecular Diversity Preservation International; Molecules; 27; 15; 8-2022; 1-19
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