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

Speciation Rates01:07

Speciation Rates

22.5K
Overview
22.5K
Hardy-Weinberg Principle01:49

Hardy-Weinberg Principle

75.8K
Diploid organisms have two alleles of each gene, one from each parent, in their somatic cells. Therefore, each individual contributes two alleles to the gene pool of the population. The gene pool of a population is the sum of every allele of all genes within that population and has some degree of variation. Genetic variation is typically expressed as a relative frequency, which is the percentage of the total population that has a given allele, genotype or phenotype.
75.8K
Genetics of Speciation02:16

Genetics of Speciation

20.7K
Speciation is the evolutionary process resulting in the formation of new, distinct species—groups of reproductively isolated populations.
20.7K
Mutation, Gene Flow, and Genetic Drift01:09

Mutation, Gene Flow, and Genetic Drift

61.6K
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).
61.6K
Gene Duplication and Divergence02:37

Gene Duplication and Divergence

7.7K
The seminal work of Ohno in 1970 popularized the idea of gene duplication and divergence. DNA sequence comparison studies reveal that a large portion of the genes in bacteria, archaebacteria, and eukaryotes was  generated by gene duplication and divergence, indicating its critical role in evolution.
The duplicated copies of the gene are called Paralogs. Paralogs with similar sequences and functions form a gene family. Across several species, a large number of gene families are...
7.7K
Formation of Species01:31

Formation of Species

44.5K
Speciation describes the formation of one or more new species from one or sometimes multiple original species. The resulting species are discrete from the parent species, and barriers to reproduction will typically exist. There are two primary mechanisms, speciation with and without geographic isolation—allopatric and sympatric speciation, respectively.
44.5K

You might also read

Related Articles

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

Sort by
Same author

Loschmidt echo and scrambling of systematic errors in tomography-A quantum signature of chaos.

Chaos (Woodbury, N.Y.)·2026
Same author

Out-of-time ordered correlators in kicked coupled tops: Information scrambling in mixed phase space and the role of conserved quantities.

Chaos (Woodbury, N.Y.)·2024
Same author

Probing dynamical sensitivity of a non-Kolmogorov-Arnold-Moser system through out-of-time-order correlators.

Physical review. E·2024
Same author

Effect of chaos on information gain in quantum tomography.

Physical review. E·2022
Same author

Evolutionary dynamics from deterministic microscopic ecological processes.

Physical review. E·2020
Same author

Quantum signatures of chaos, thermalization, and tunneling in the exactly solvable few-body kicked top.

Physical review. E·2019

Related Experiment Video

Updated: Jan 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

1.3K

Typicality in quasispecies evolution in high dimensions.

Alfred Ajay Aureate R1, Vaibhav Madhok2

  • 1The Institute of Mathematical Sciences, CIT Campus, Taramani, Chennai 600113, India.

Physical Review. E
|November 28, 2019
PubMed
Summary
This summary is machine-generated.

In high-dimensional sequence spaces, quasispecies average fitness becomes independent of mutation rates. This finding, rooted in Levy's Lemma, has broad implications for evolutionary dynamics.

More Related Videos

High-Throughput Live Imaging of Microcolonies to Measure Heterogeneity in Growth and Gene Expression
12:52

High-Throughput Live Imaging of Microcolonies to Measure Heterogeneity in Growth and Gene Expression

Published on: April 18, 2021

5.3K
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

4.2K

Related Experiment Videos

Last Updated: Jan 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

1.3K
High-Throughput Live Imaging of Microcolonies to Measure Heterogeneity in Growth and Gene Expression
12:52

High-Throughput Live Imaging of Microcolonies to Measure Heterogeneity in Growth and Gene Expression

Published on: April 18, 2021

5.3K
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

4.2K

Area of Science:

  • Evolutionary dynamics
  • Theoretical biology
  • High-dimensional systems

Background:

  • Quasispecies theory describes viral evolution and asexual populations.
  • The replicator-mutator equation models population dynamics with mutation.
  • High-dimensional sequence spaces present unique evolutionary challenges.

Purpose of the Study:

  • To investigate quasispecies and replicator-mutator dynamics in high dimensions.
  • To determine conditions under which average fitness is independent of mutation probabilities.
  • To explore the mathematical underpinnings of these evolutionary phenomena.

Main Methods:

  • Utilizing concentration of measure principles on high-dimensional hyperspheres.
  • Applying Levy's Lemma for Lipschitz functions in evolutionary models.
  • Generalizing Levy's Lemma for broader applicability.

Main Results:

  • Average fitness of high-dimensional quasispecies becomes independent of mutation probabilities under specific conditions.
  • Demonstrated the role of measure concentration and Levy's Lemma in this independence.
  • Extended findings to other functional capabilities describable as Lipschitz functions.

Conclusions:

  • Mutation probabilities may not significantly impact average fitness in high-dimensional evolutionary systems.
  • The mathematical framework provides insights into the robustness of evolutionary dynamics.
  • Potential for significant biological consequences in understanding adaptation and evolution.