Search research articles

ABOUT JoVE

Overview Leadership Blog JoVE Help Center

AUTHORS

Publishing Process Editorial Board Scope & Policies Peer Review FAQ Submit

LIBRARIANS

Testimonials Subscriptions Access Resources Library Advisory Board FAQ

RESEARCH

JoVE Journal Methods Collections JoVE Encyclopedia of Experiments Archive

EDUCATION

JoVE Core JoVE Business JoVE Science Education JoVE Lab Manual Faculty Resource Center Faculty Site

Terms & Conditions of Use

Related Concept Videos

Cyclic Processes And Isolated Systems

Cyclic Processes And Isolated Systems

A thermodynamic system with zero heat exchange and work is an isolated system. For these systems, the internal energy remains constant.
In the case of a non-isolated system, the change in the internal energy is zero only if the process is cyclic. A thermodynamic process is considered cyclic if the system undergoes a series of changes and returns to its initial state.
Consider a cyclic process that returns to its initial state, undergoing a four-step process. The heat transfer along each path...

Non-equilibrium in the Cell

Non-equilibrium in the Cell

An important concept in studying metabolism and energy is that of chemical equilibrium. Most chemical reactions are reversible. They can proceed in both directions, releasing energy into their environment in one direction, and absorbing it from the environment in the other direction. The same is true for the chemical reactions involved in cell metabolism, such as the breaking down and building up of proteins into and from individual amino acids, respectively. Reactants within a closed system...

Entropy within the Cell

Entropy within the Cell

A living cell's primary tasks of obtaining, transforming, and using energy to do work may seem simple. However, the second law of thermodynamics explains why these tasks are harder than they appear. None of the energy transfers in the universe are completely efficient. In every energy transfer, some amount of energy is lost in a form that is unusable. In most cases, this form is heat energy. Thermodynamically, heat energy is defined as the energy transferred from one system to another that is...

Diversity of Protists IV

Diversity of Protists IV

Amoebozoa represent a diverse group of terrestrial and aquatic protists that utilize lobe-shaped pseudopodia for locomotion and feeding. This characteristic differentiates them from the Rhizaria, which possess threadlike pseudopodia. The primary classifications within Amoebozoa include gymnamoebas, entamoebas, and the plasmodial and cellular slime molds. Phylogenetic evidence indicates that Amoebozoa diverged from a lineage that ultimately gave rise to fungi and animals.Gymnamoebas and...

Theories of Dissolution: The Danckwerts' Model and Interfacial Barrier Model

Theories of Dissolution: The Danckwerts' Model and Interfacial Barrier Model

Various dissolution theories provide insight into the factors that influence the dissolution rate. Danckwerts' Model suggests that turbulence, rather than a stagnant layer, characterizes the dissolution medium at the solid-liquid interface. In this model, the agitated solvent contains macroscopic packets that move to the interface via eddy currents, facilitating the absorption and delivery of the drug to the bulk solution. The regular replenishment of solvent packets maintains the concentration...

Mechanisms of Membrane Domain Formation

Mechanisms of Membrane Domain Formation

Different physical properties of lipids and proteins allow them to localize and form distinct islands or domains in the membrane. Some membrane domains are formed due to protein-protein interactions, whereas others are formed due to the presence of specific lipids such as sphingolipids and sterols—for example, large proteins, such as bacteriorhodopsin, aggregate and create distinct domains.
Another mechanism for membrane domain formation involves membrane proteins interacting with cytoskeletal...

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by

Same author

Proliferative vitreoretinopathy-induced central retinal artery occlusion.

Journal francais d'ophtalmologie·2026

Same author

Animal board invited review: Benefits of livestock and animal-source foods in developing countries.

Animal : an international journal of animal bioscience·2026

Same author

Transforming Livestock Systems with Better Feeds: A Triple Win for Food and Nutrition Security, Climate Resilience, and Women and Youth Empowerment in Low- and Lower-Middle-Income Countries.

Annual review of animal biosciences·2025

Same author

Resilient outcomes in people with a history of mental disorder during the COVID-19 pandemic: an international 2-years longitudinal prospective study.

Social psychiatry and psychiatric epidemiology·2025

Same author

Retinal pigment epithelial aperture complicated by macular neovascularization in central serous chorioretinopathy.

Journal francais d'ophtalmologie·2025

Same author

Recurrent full-thickness macular hole covered with wrinkled amniotic membrane graft.

Journal francais d'ophtalmologie·2024

Search research articles

Related Experiment Video

Updated: Jul 3, 2026

Reconstitution of Cell-cycle Oscillations in Microemulsions of Cell-free Xenopus Egg Extracts

Reconstitution of Cell-cycle Oscillations in Microemulsions of Cell-free Xenopus Egg Extracts

Published on: September 27, 2018

Sufficient conditions for emergent synchronization in protocell models.

T Carletti¹, R Serra, I Poli

¹Département de Mathématique, Facultés Universitaires Notre Dame de la Paix, Rempart de la Vierge 8, B 5000 Namur, Belgium. timoteo.carletti@fundp.ac.be

Journal of Theoretical Biology

|August 2, 2008

Summary

This study explores protocell models, revealing that synchronized production of genetic material and containers is crucial for sustainable growth and evolution. New models with internal reactions and replicator interactions enhance understanding of this synchronization phenomenon.

More Related Videos

Studying Cell Cycle-regulated Gene Expression by Two Complementary Cell Synchronization Protocols

Studying Cell Cycle-regulated Gene Expression by Two Complementary Cell Synchronization Protocols

Published on: June 6, 2017

Alignment of Synchronized Time-Series Data Using the Characterizing Loss of Cell Cycle Synchrony Model for Cross-Experiment Comparisons

Alignment of Synchronized Time-Series Data Using the Characterizing Loss of Cell Cycle Synchrony Model for Cross-Experiment Comparisons

Published on: June 9, 2023

Related Experiment Videos

Last Updated: Jul 3, 2026

Reconstitution of Cell-cycle Oscillations in Microemulsions of Cell-free Xenopus Egg Extracts

Reconstitution of Cell-cycle Oscillations in Microemulsions of Cell-free Xenopus Egg Extracts

Published on: September 27, 2018

Studying Cell Cycle-regulated Gene Expression by Two Complementary Cell Synchronization Protocols

Studying Cell Cycle-regulated Gene Expression by Two Complementary Cell Synchronization Protocols

Published on: June 6, 2017

Alignment of Synchronized Time-Series Data Using the Characterizing Loss of Cell Cycle Synchrony Model for Cross-Experiment Comparisons

Alignment of Synchronized Time-Series Data Using the Characterizing Loss of Cell Cycle Synchrony Model for Cross-Experiment Comparisons

Published on: June 9, 2023

Area of Science:

Origin of Life Research
Theoretical Biology
Chemical Kinetics

Background:

Protocells are key to understanding the origin of life.
Synchronization of genetic material and container production is vital for protocell growth and evolution.
Previous models focused on surface reactions; internal reactions are less explored.

Purpose of the Study:

To investigate synchronization in protocell models with internal chemical reactions.
To analyze the impact of replicator interactions (catalysis/inhibition) on synchronization.
To develop a generalized analytical framework for protocell synchronization.

Main Methods:

Development of new protocell models with internal reaction dynamics.
Mathematical analysis of synchronization phenomena.
Numerical simulations to validate theoretical findings and explore complex scenarios.

Main Results:

Synchronization is achievable in protocell models with internal reactions.
Replicator interactions, including catalysis and inhibition, influence synchronization dynamics.
A general analytical solution for synchronization is provided for a broader class of models.

Conclusions:

Internal reaction sites and replicator interactions are significant factors in protocell synchronization.
The findings contribute to a deeper understanding of the emergence of life-like properties in protocells.
This work provides a theoretical foundation for future experimental studies on protocell evolution.