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

Responses to Drought and Flooding02:41

Responses to Drought and Flooding

12.0K
Water plays a significant role in the life cycle of plants. However, insufficient or excess of water can be detrimental and pose a serious threat to plants.
12.0K
What is Population Genetics?01:25

What is Population Genetics?

64.5K
A population is composed of members of the same species that simultaneously live and interact in the same area. When individuals in a population breed, they pass down their genes to their offspring. Many of these genes are polymorphic, meaning that they occur in multiple variants. Such variations of a gene are referred to as alleles. The collective set of all the alleles within a population is known as the gene pool.
64.5K
Design Example: Analyzing Capacity Contours for Flood Risk Assessment01:17

Design Example: Analyzing Capacity Contours for Flood Risk Assessment

289
Flood risk assessment involves careful planning and analysis to ensure the safety of communities near water retention structures. Capacity contours are a vital tool in this process, as they illustrate the potential spread of water at specific levels in a given area. In the context of building a bund across a small valley, these contours play a critical role in evaluating the safety of nearby residential areas.In this example, the bund is intended to store stormwater in the valley. The engineers...
289
Mutation, Gene Flow, and Genetic Drift01:09

Mutation, Gene Flow, and Genetic Drift

63.1K
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).
63.1K
Combinatorial Gene Control02:33

Combinatorial Gene Control

9.5K
Combinatorial gene control is the synergistic action of several transcriptional factors to regulate the expression of a single gene. The absence of one or more of these factors may lead to a significant difference in the level of gene expression or repression.
The expression of more than 30,000 genes is controlled by approximately 2000-3000 transcription factors. This is possible because a single transcription factor can recognize more than one regulatory sequence. The specificity in gene...
9.5K
Conservation of Small Populations02:04

Conservation of Small Populations

16.7K
Small population sizes put a species at extreme risk of extinction due to a lack of variation, and a consequent decrease in adaptability. This weakens the chances of survival under pressures such as climate change, competition from other species, or new diseases. Large populations are more likely to survive pressures such as these, as such populations are more likely to harbor individuals that have genetic variants that are adaptive under new stresses. Small populations are much less...
16.7K

You might also read

Related Articles

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

Sort by
Same author

Guess Who: Delineating Post-Metamorphic Amphibian Life Stages and Sexes Using a Standardised Visible Approach.

Journal of morphology·2026
Same author

Looking Forward: Evaluating Management Scenarios for an Isolated Amphibian Population in a Dynamic Coastal Environment.

Ecology and evolution·2026
Same author

Colour Confusion: Reviewing Ambiguities in the Identification and Classification of Chromatophore Deficiencies Among Amphibians.

Ecology and evolution·2025
Same author

Like a Fish out of Water: Temporary Habitat Switching Detected in Aquatic Tadpoles Resting Above the Water's Surface.

Ecology and evolution·2025
Same author

Biodiversity impacts of the 2019-2020 Australian megafires.

Nature·2024
Same author

Comparing the cost-effectiveness of drones, camera trapping and passive acoustic recorders in detecting changes in koala occupancy.

Ecology and evolution·2024

Related Experiment Video

Updated: Jan 23, 2026

High-Throughput Identification of Resistance to Pseudomonas syringae pv. Tomato in Tomato using Seedling Flood Assay
06:41

High-Throughput Identification of Resistance to Pseudomonas syringae pv. Tomato in Tomato using Seedling Flood Assay

Published on: March 10, 2020

10.2K

Gene Flooding: Proposal to Flood Invasive Populations With Inbred Individuals as a Form of Low-Tech Genetic Control.

John Gould1, Chad Beranek1

  • 1School of Environmental and Life Sciences University of Newcastle Callaghan New South Wales Australia.

Ecology and Evolution
|January 22, 2026
PubMed
Summary

Gene flooding, a low-tech genetic control, introduces inbred individuals to invasive populations. This method dilutes wild genetics, reducing invasive species adaptability and potentially controlling populations like mosquitofish.

Keywords:
Gambusiabottleneckgenetic driftinbreeding depressioninvasive species

More Related Videos

Population Replacement Strategies for Controlling Vector Populations and the Use of Wolbachia pipientis for Genetic Drive
10:21

Population Replacement Strategies for Controlling Vector Populations and the Use of Wolbachia pipientis for Genetic Drive

Published on: July 4, 2007

11.1K
Agrobacterium-Mediated Immature Embryo Transformation of Recalcitrant Maize Inbred Lines Using Morphogenic Genes
10:28

Agrobacterium-Mediated Immature Embryo Transformation of Recalcitrant Maize Inbred Lines Using Morphogenic Genes

Published on: February 14, 2020

24.7K

Related Experiment Videos

Last Updated: Jan 23, 2026

High-Throughput Identification of Resistance to Pseudomonas syringae pv. Tomato in Tomato using Seedling Flood Assay
06:41

High-Throughput Identification of Resistance to Pseudomonas syringae pv. Tomato in Tomato using Seedling Flood Assay

Published on: March 10, 2020

10.2K
Population Replacement Strategies for Controlling Vector Populations and the Use of Wolbachia pipientis for Genetic Drive
10:21

Population Replacement Strategies for Controlling Vector Populations and the Use of Wolbachia pipientis for Genetic Drive

Published on: July 4, 2007

11.1K
Agrobacterium-Mediated Immature Embryo Transformation of Recalcitrant Maize Inbred Lines Using Morphogenic Genes
10:28

Agrobacterium-Mediated Immature Embryo Transformation of Recalcitrant Maize Inbred Lines Using Morphogenic Genes

Published on: February 14, 2020

24.7K

Area of Science:

  • Ecology
  • Genetics
  • Conservation Biology

Background:

  • Genetic technologies offer novel invasive species management strategies.
  • Current genetic methods often require significant expertise and resources.
  • Alternative, accessible approaches are needed for widespread invasive species control.

Purpose of the Study:

  • To propose and evaluate 'gene flooding' as a low-tech genetic control method.
  • To explore the potential of gene flooding for invasive mosquitofish (Gambusia spp.) control.
  • To assess the impact of gene flooding on invasive population genetics and adaptability.

Main Methods:

  • Simulated gene flooding by introducing inbred individuals into a wild population model.
  • Modeling the dilution of wild-type gene variants with a static allele pool from an inbred colony.
  • Analyzing the long-term effects of sustained genetic bottlenecking on population genetics.

Main Results:

  • Gene flooding simulations showed a reduction in wild-type genetic diversity.
  • The process led to a sustained genetic bottleneck, saturating the gene pool with inbred alleles.
  • Simulated populations exhibited suppressed adaptability to environmental pressures.

Conclusions:

  • Gene flooding is a potential low-tech genetic control strategy for invasive species.
  • This method may disrupt the genetic integrity of small, isolated invasive populations.
  • Real-world testing is necessary to validate the efficacy of gene flooding.