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

Understanding Species and Reproductive Barriers01:17

Understanding Species and Reproductive Barriers

A species is a group of organisms that interbreed and produce fertile offspring. Typically, individuals of the same species appear similar and share common characteristics due to their highly similar genomes. However, not all organisms that look alike are members of the same species. Various mechanisms keep most species discrete. While some mechanisms prevent reproductive behavior and fertilization (pre-zygotic isolation), others prevent the production of fertile offspring after mating has...
Speciation Rates01:07

Speciation Rates

Speciation can proceed at markedly different rates, and evolutionary biologists commonly describe these differences through the models of gradualism and punctuated equilibrium. Both patterns explain how new species arise, but they differ in the tempo and continuity of evolutionary change. In both cases, evolutionary change arises from heritable variation within populations, with natural selection often shaping traits that improve survival and reproduction under specific environmental conditions.
Symbiosis00:58

Symbiosis

Symbiotic relationships are long-term, close interactions between individuals of different species that affect the distribution and abundance of those species. When a relationship is beneficial to both species, this is called mutualism. When the relationship is beneficial to one species but neither beneficial nor harmful to the other species, this is called commensalism. When one organism is harmed to benefit another, the relationship is known as parasitism. These types of relationships often...
Energy Budgets and Reproductive Strategies00:51

Energy Budgets and Reproductive Strategies

Organisms must balance energy intake with the energy required for growth, maintenance, and reproduction. These trade-offs result in a variety of survivorship and reproductive strategies, including semelparity and iteroparity. Semelparous species reproduce only once in their lifetime, often investing most available resources into that single reproductive event. Iteroparous species, by contrast, reproduce multiple times over their lifetimes, typically allocating fewer resources to any single...
Asexual Reproduction02:38

Asexual Reproduction

Asexual reproduction allows plants to reproduce without growing flowers, attracting pollinators, or dispersing seeds. Offspring are genetically identical to the parent and produced without the fusion of male and female gametes.
Life Histories01:29

Life Histories

Constrained by limited energy and resources, organisms must compromise between offspring quantity and parental investment. This trade-off is represented by two primary reproductive strategies; K-strategists produce few offspring but provide substantial parental support, whereas r-strategists produce much progeny that receives little care. These strategies are related to an organism’s survival likelihood across its lifespan, which is represented by a survivorship curve. Three general types of...

You might also read

Related Articles

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

Sort by
Same author

Neurons as Autoencoders.

Artificial life·2024
Same author

On Recombination.

Artificial life·2024
Same author

A Systematic Review of Machine-Learning Solutions in Anaerobic Digestion.

Bioengineering (Basel, Switzerland)·2023
Same author

A Generalised Dropout Mechanism for Distributed Systems.

Artificial life·2022
Same author

Are Artificial Dendrites Useful in Neuro-Evolution?

Artificial life·2021
Same author

On the Emergence of Intersexual Selection: Arbitrary Trait Preference Improves Female-Male Coevolution.

Artificial life·2021

Related Experiment Video

Updated: Jun 19, 2026

Determination of the Mating Efficiency of Haploids in Saccharomyces cerevisiae
05:39

Determination of the Mating Efficiency of Haploids in Saccharomyces cerevisiae

Published on: December 2, 2022

Artificial symbiogenesis and differing reproduction rates.

Larry Bull1

  • 1Department of Computer Science, University of the West of England, Frenchay, Bristol BS16 1QY, UK. Larry.Bull@uwe.ac.uk

Artificial Life
|October 28, 2009
PubMed
Summary

Symbiogenesis, the unification of different species, is explored using a coevolution model. Different replication rates between symbiotic partners broaden the scope for endosymbiosis and gene transfer.

Area of Science:

  • Evolutionary biology
  • Genetics
  • Microbiology

Background:

  • Symbiosis involves different species living in close association.
  • Symbiogenesis is the process of symbiotic partners combining and unifying.
  • Previous work utilized the NKCS model of coevolution.

Purpose of the Study:

  • To reconsider previous work on symbiogenesis using the NKCS model.
  • To explore the role of differing replication rates in coevolutionary processes.
  • To broaden the understanding of endosymbiosis emergence and horizontal gene transfer.

Main Methods:

  • Revisiting the NKCS (Nematode-specific, Kinase-dependent, Cell-cycle-regulated, Signaling) model of coevolution.
  • Analyzing the impact of differential replication rates between symbiotic organisms.

More Related Videos

Determining the Egg Fertilization Rate of Bemisia tabaci Using a Cytogenetic Technique
05:24

Determining the Egg Fertilization Rate of Bemisia tabaci Using a Cytogenetic Technique

Published on: April 1, 2019

Rearing Axenic Delia antiqua with Half-Fermented Sterile Diets
05:58

Rearing Axenic Delia antiqua with Half-Fermented Sterile Diets

Published on: December 22, 2023

Related Experiment Videos

Last Updated: Jun 19, 2026

Determination of the Mating Efficiency of Haploids in Saccharomyces cerevisiae
05:39

Determination of the Mating Efficiency of Haploids in Saccharomyces cerevisiae

Published on: December 2, 2022

Determining the Egg Fertilization Rate of Bemisia tabaci Using a Cytogenetic Technique
05:24

Determining the Egg Fertilization Rate of Bemisia tabaci Using a Cytogenetic Technique

Published on: April 1, 2019

Rearing Axenic Delia antiqua with Half-Fermented Sterile Diets
05:58

Rearing Axenic Delia antiqua with Half-Fermented Sterile Diets

Published on: December 22, 2023

  • Theoretical exploration of evolutionary dynamics.
  • Main Results:

    • Different replication rates significantly influence the emergence of endosymbiosis.
    • This variation in rates broadens the scope for horizontal gene transfer between partners.
    • The NKCS model provides a framework for understanding these dynamics.

    Conclusions:

    • Differential replication rates are crucial for understanding symbiogenesis.
    • The findings expand the theoretical basis for endosymbiotic events and gene exchange.
    • Coevolutionary models like NKCS are valuable for studying the integration of species.