Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Concept Videos

Dynamic Equilibrium02:20

Dynamic Equilibrium

63.4K
A reversible chemical reaction represents a chemical process that proceeds in both forward (left to right) and reverse (right to left) directions. When the rates of the forward and reverse reactions are equal, the concentrations of the reactant and product species remain constant over time and the system is at equilibrium. A special double arrow is used to emphasize the reversible nature of the reaction. The relative concentrations of reactants and products in equilibrium systems vary greatly;...
63.4K
Convergent Evolution01:54

Convergent Evolution

27.6K
Evolution shapes the features of organisms over time, ensuring that they are suited for the environments in which they live. Sometimes, selection pressure leads to the rise of similar but unrelated adaptations in organisms with no recent common ancestors, a process known as convergent evolution.
27.6K
Frequency-dependent Selection01:21

Frequency-dependent Selection

20.1K
When the fitness of a trait is influenced by how common it is (i.e., its frequency) relative to different traits within a population, this is referred to as frequency-dependent selection. Frequency-dependent selection may occur between species or within a single species. This type of selection can either be positive—with more common phenotypes having higher fitness—or negative, with rarer phenotypes conferring increased fitness.
20.1K
Mutation, Gene Flow, and Genetic Drift01:09

Mutation, Gene Flow, and Genetic Drift

53.1K
In a population that is not at Hardy-Weinberg equilibrium, the frequency of alleles changes over time. Therefore, any deviations from the five conditions of Hardy-Weinberg equilibrium can alter the genetic variation of a given population. Conditions that change the genetic variability of a population include mutations, natural selection, non-random mating, gene flow, and genetic drift (small population size).
53.1K
Genetic Drift03:33

Genetic Drift

35.4K
Natural selection—probably the most well-known evolutionary mechanism—increases the prevalence of traits that enhance survival and reproduction. However, evolution does not merely propagate favorable traits, nor does it always benefit populations.
35.4K
Evolutionary Processes in Microbes01:26

Evolutionary Processes in Microbes

202
Microbial evolution occurs rapidly due to short generation times and a variety of genetic processes, including horizontal gene transfer, mutation, recombination, and genetic drift. These mechanisms collectively enable microbes to adapt swiftly to changing environments.Horizontal gene transfer (HGT) allows genes to move between different species and occurs through three main mechanisms: conjugation, transformation, and transduction. Conjugation involves direct cell-to-cell contact for DNA...
202

You might also read

Related Articles

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

Sort by
Same author

Twenty-One Years of Insights From A Single-Center Living Kidney Donation Program.

Transplantation proceedings·2026
Same author

Hepatitis C Virus Can Induce Gene Expression Changes Associated with Hepatocarcinogenesis.

JHEP reports : innovation in hepatology·2026
Same author

Counterfactual evaluation of elementary and secondary school policies in the COVID-19 pandemic.

Nature communications·2026
Same author

Multi-omics profiling reveals divergent biology and liver microenvironment in HCC of metastatic and de novo origin.

Molecular cancer·2026
Same author

Correction: The impact of floating photovoltaic power plants on lake water temperature and stratification.

Scientific reports·2026
Same author

Uncertainty propagation in financial models of photovoltaic systems.

Scientific reports·2026

Related Experiment Video

Updated: May 3, 2026

Following the Dynamics of Structural Variants in Experimentally Evolved Populations
04:52

Following the Dynamics of Structural Variants in Experimentally Evolved Populations

Published on: February 3, 2023

1.2K

Asymmetric coevolutionary voter dynamics.

Stefan Wieland1, Ana Nunes1

  • 1Centro de Física da Matéria Condensada and Departamento de Física, Faculdade de Ciências, Universidade de Lisboa, P-1649-003 Lisboa, Portugal.

Physical Review. E, Statistical, Nonlinear, and Soft Matter Physics
|February 4, 2014
PubMed
Summary
This summary is machine-generated.

This study introduces an asymmetric opinion dynamics model, enhancing consensus. Rewiring strategies accelerate agreement and predetermine the final opinion state, unlike symmetric models.

More Related Videos

A System for Tracking the Dynamics of Social Preference Behavior in Small Rodents
08:38

A System for Tracking the Dynamics of Social Preference Behavior in Small Rodents

Published on: November 21, 2019

7.0K
Daily Transfers, Archiving Populations, and Measuring Fitness in the Long-Term Evolution Experiment with Escherichia coli
15:00

Daily Transfers, Archiving Populations, and Measuring Fitness in the Long-Term Evolution Experiment with Escherichia coli

Published on: August 18, 2023

5.1K

Related Experiment Videos

Last Updated: May 3, 2026

Following the Dynamics of Structural Variants in Experimentally Evolved Populations
04:52

Following the Dynamics of Structural Variants in Experimentally Evolved Populations

Published on: February 3, 2023

1.2K
A System for Tracking the Dynamics of Social Preference Behavior in Small Rodents
08:38

A System for Tracking the Dynamics of Social Preference Behavior in Small Rodents

Published on: November 21, 2019

7.0K
Daily Transfers, Archiving Populations, and Measuring Fitness in the Long-Term Evolution Experiment with Escherichia coli
15:00

Daily Transfers, Archiving Populations, and Measuring Fitness in the Long-Term Evolution Experiment with Escherichia coli

Published on: August 18, 2023

5.1K

Area of Science:

  • Complex Systems
  • Statistical Physics
  • Social Dynamics

Background:

  • The coevolutionary voter model is a symmetric framework for opinion dynamics.
  • Adaptive contact processes model evolving social networks and opinions.
  • Symmetry breaking is crucial for understanding diverse social behaviors.

Purpose of the Study:

  • To investigate an asymmetric adaptive contact process for opinion dynamics.
  • To analyze how different strategies influence consensus formation.
  • To map the phase diagram and understand consensus properties in finite networks.

Main Methods:

  • Development and analysis of pair approximation equations.
  • Validation through stochastic simulations.
  • Study of metastable states in finite-size networks.

Main Results:

  • The asymmetric model favors global consensus compared to the symmetric case.
  • An active phase exists alongside consensus.
  • The final consensus state is predetermined by parameters for large systems.
  • Network rewiring significantly reduces convergence times and alters scaling.

Conclusions:

  • Asymmetric strategies and rewiring accelerate and predetermine opinion consensus.
  • The model offers insights into opinion dynamics beyond symmetric assumptions.
  • Analytic approximations for symmetric models require adaptation for asymmetric cases.