4.6 Review

Shape Deformation, Budding and Division of Giant Vesicles and Artificial Cells: A Review

Journal

LIFE-BASEL
Volume 12, Issue 6, Pages -

Publisher

MDPI
DOI: 10.3390/life12060841

Keywords

giant vesicles; division; protocells; artificial cells; systems chemistry; budding; ADE theory

Funding

  1. National Research, Development and Innovation Office of Hungary [K131425]
  2. National Research, Development, and Innovation Fund of Hungary [TKP2021-EGA-02]

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This review summarizes recent experimental and theoretical work on the shape deformation and division of artificial cells. The composition of membranes, including permeability, elasticity, rigidity, plays a fundamental role in the stability of vesicles. The strategies used to destabilize the membranes can be divided into physical and chemical methods, which often work synergistically. The review also discusses the theoretical methods used to describe the equilibrium shapes of giant vesicles.
The understanding of the shape-change dynamics leading to the budding and division of artificial cells has gained much attention in the past few decades due to an increased interest in designing stimuli-responsive synthetic systems and minimal models of biological self-reproduction. In this respect, membranes and their composition play a fundamental role in many aspects related to the stability of the vesicles: permeability, elasticity, rigidity, tunability and response to external changes. In this review, we summarise recent experimental and theoretical work dealing with shape deformation and division of (giant) vesicles made of phospholipids and/or fatty acids membranes. Following a classic approach, we divide the strategies used to destabilise the membranes into two different types, physical (osmotic stress, temperature and light) and chemical (addition of amphiphiles, the addition of reactive molecules and pH changes) even though they often act in synergy when leading to a complete division process. Finally, we review the most important theoretical methods employed to describe the equilibrium shapes of giant vesicles and how they provide ways to explain and control the morphological changes leading from one equilibrium structure to another.

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