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

Microbial Interactions: Parasitism

Microbial Interactions: Parasitism

Parasitism is a form of microbial interaction in which parasitic microbes exploit a host organism for nutrients and shelter, often at the host's expense. Unlike mutualistic relationships, where both organisms benefit, parasitism benefits only the parasite and harms the host.Classification of ParasitesMicrobial parasites are broadly classified based on their location relative to the host.Ectoparasites remain on the host’s surface, such as the skin or outer tissues, drawing nutrients...

Symbiosis

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...

Microbial Interactions: Cooperation

Microbial Interactions: Cooperation

Microbial cooperation involves beneficial interactions in which different species work together for individual or mutual advantage. These interactions can profoundly influence ecological dynamics and evolutionary processes, and they are essential to many pathogenic and symbiotic relationships.Nematode–Bacteria CooperationA striking example is the relationship between the Gram-negative bacterium Xenorhabdus nematophila and the parasitic nematode Steinernema carpocapsae. Juvenile nematodes...

Microbial Interactions: Mutualism

Microbial Interactions: Mutualism

Mutualism is a symbiotic interaction in which all participating organisms benefit. These relationships can be obligate or facultative and are fundamental to ecosystem functions across diverse biological systems.Plant–Fungi MutualismOne well-known example is the association between plant roots and mycorrhizal fungi, such as Rhizophagus species. The fungal hyphae penetrate the root hairs and the epidermis, forming an extensive hyphal network that establishes a symbiotic association. Through this...

Evolution of New Traits in Microbes

Evolution of New Traits in Microbes

Microorganisms evolve rapidly due to their large population sizes and short generation times, often exhibiting measurable changes within days under laboratory conditions. Natural selection acts on standing genetic variation, enabling the retention and amplification of beneficial traits that confer fitness advantages in changing environments.Adaptive Pigment Regulation in RhodobacterIn Rhodobacter, a genus of purple non-sulfur bacteria, light-harvesting pigments such as bacteriochlorophyll and...

Colonisation of Pathogens

Colonisation of Pathogens

Pathogen colonization of host tissues is a critical step in the development of infectious diseases. Various pathogenic microorganisms, including bacteria, fungi, viruses, and protozoa, have evolved complex strategies to attach to, invade, and persist within host environments. These mechanisms enable pathogens to establish infections, evade immune responses, and resist antimicrobial treatments.Attachment to Host CellsIn bacteria, colonization typically begins with adherence to host epithelial...

You might also read

Related Articles

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

Sort by

Same author

Repulsion from slow-diffusing nutrients improves microbial chemotaxis towards moving sources.

Nature communications·2026

Same author

Structured interactions explain the absence of keystone species in synthetic microcosms.

The ISME journal·2025

Same author

Collective dynamical regimes predict invasion success and impacts in microbial communities.

Nature ecology & evolution·2025

Same author

Ecosystem stability relies on diversity difference between trophic levels.

Proceedings of the National Academy of Sciences of the United States of America·2024

Same author

Cooperative growth in microbial communities is a driver of multistability.

Nature communications·2024

Same author

Biodiversity is enhanced by sequential resource utilization and environmental fluctuations via emergent temporal niches.

PLoS computational biology·2024

Search research articles

Related Experiment Video

Updated: May 30, 2026

Layers of Symbiosis - Visualizing the Termite Hindgut Microbial Community

Layers of Symbiosis - Visualizing the Termite Hindgut Microbial Community

Published on: May 28, 2007

A slowly evolving host moves first in symbiotic interactions.

James A Damore¹, Jeff Gore

¹Department of Physics, Massachusetts Institute of Technology, 77 Massachusetts Ave, Cambridge, Massachusetts 20139, USA. damore@mit.edu

Evolution; International Journal of Organic Evolution

|July 28, 2011

Summary

This summary is machine-generated.

Fast-evolving symbionts interacting with slow-evolving hosts create a sequential game dynamic. This benefits mutualistic relationships but hinders antagonistic ones, impacting coevolutionary theory.

More Related Videos

Generation of a Bovine Primary Enteroid-Derived Two-Dimensional Monolayer Culture System for Applications in Translational Biomedical Research

Generation of a Bovine Primary Enteroid-Derived Two-Dimensional Monolayer Culture System for Applications in Translational Biomedical Research

Published on: April 5, 2024

Colonization of Euprymna scolopes Squid by Vibrio fischeri

Colonization of Euprymna scolopes Squid by Vibrio fischeri

Published on: March 1, 2012

Related Experiment Videos

Last Updated: May 30, 2026

Layers of Symbiosis - Visualizing the Termite Hindgut Microbial Community

Layers of Symbiosis - Visualizing the Termite Hindgut Microbial Community

Published on: May 28, 2007

Generation of a Bovine Primary Enteroid-Derived Two-Dimensional Monolayer Culture System for Applications in Translational Biomedical Research

Generation of a Bovine Primary Enteroid-Derived Two-Dimensional Monolayer Culture System for Applications in Translational Biomedical Research

Published on: April 5, 2024

Colonization of Euprymna scolopes Squid by Vibrio fischeri

Colonization of Euprymna scolopes Squid by Vibrio fischeri

Published on: March 1, 2012

Area of Science:

Evolutionary biology
Theoretical ecology
Game theory

Background:

Symbiotic relationships (parasitic and mutualistic) are fundamental to life.
Understanding symbiont-host coevolution is key to biological insights.
The Red Queen hypothesis suggests rapid evolution drives coevolutionary arms races.

Purpose of the Study:

To investigate host-symbiont coevolutionary dynamics using a game theoretic model.
To determine the impact of differing evolutionary rates on symbiotic outcomes.
To unify coevolutionary theory by examining population structure.

Main Methods:

Developed a simple game theoretic model of host-symbiont coevolution.
Incorporated population structure into the model.
Analyzed equilibrium distributions under varying evolutionary rates.

Main Results:

When symbionts evolve much faster than hosts, the system reaches an equilibrium similar to a sequential game with the host moving first.
This dynamic advantages hosts in mutualistic symbioses.
Conversely, it disadvantages hosts in antagonistic symbioses.

Conclusions:

Rapid symbiont adaptation to hosts dictates coevolutionary outcomes.
The findings are robust across different parameters and game types (continuous, multiplayer).
This research offers insights into diverse symbiotic phenomena and coevolutionary theory.