Related Experiment Video
Updated: May 14, 2026
07:37
Resurrection of Dormant Daphnia magna: Protocol and Applications
Published on: January 19, 2018
The evolutionary time machine: using dormant propagules to forecast how populations can adapt to changing
Luisa Orsini1, Klaus Schwenk, Luc De Meester
1Laboratory of Aquatic Ecology, Evolution and Conservation, University of Leuven, Ch Deberiotstraat 32, 3000, Leuven, Belgium. luisa.orsini@bio.kuleuven.be
Trends in Ecology & Evolution
|February 12, 2013
Summary
Dormant propagules in natural archives offer insights into evolutionary trajectories. Analyzing DNA from these archives can help predict population genetic responses to environmental change.
Area of Science:
- Evolutionary biology
- Population genetics
- Paleogenomics
Background:
- Evolutionary changes result from complex ecological, demographic, and adaptive factors.
- Predicting population genetic structure under environmental change typically uses spatial, not temporal, data due to scarcity of long-term records.
Purpose of the Study:
- To explore the utility of dormant propagules as natural archives for studying evolutionary history.
- To develop predictive models for forecasting population evolutionary responses to environmental stressors.
Main Methods:
- Utilizing DNA sequence data from dormant propagules in sediments, soils, and permafrost.
- Applying novel methods for analyzing ecological and population genomic time-series data.
Main Results:
- Dormant propagules serve as valuable archives for reconstructing past population histories.
- Integration of genomic data from archives with time-series analysis enables evolutionary forecasting.
Conclusions:
- Natural archives of dormant propagules are crucial for understanding long-term evolutionary adaptation.
- Predictive models based on these archives can forecast population genetic shifts in response to climate change and other stressors.
Related Concept Videos
00:57Population Growth
Population size is dynamic, increasing with birth rates and immigration, and decreasing with death rates and emigration. In ideal conditions with unlimited resources, populations can increase exponentially, which plots as a J-shaped growth rate curve of population size against time. This type of curve is characteristic of newly-introduced invasive species, or populations that have suffered catastrophic declines and are rebounding.
02:35What is Evolutionary History?
Scientists record evolutionary history by analyzing fossil, morphological, and genetic data. The fossil record documents the history of life on Earth and provides evidence for evolution. However, both fossil and living organisms offer evidence that outlines Earth’s evolutionary history.
01:24Evolution 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...
02:39Gene Flow
Gene flow is the transfer of genes among populations, resulting from either the dispersal of gametes or from the migration of individuals.
01:20Evolutionary Psychology
Evolutionary psychology explores the origins of human behavior and mental processes by framing them within the context of natural selection, a theory famously propounded by Charles Darwin. This field asserts that many behaviors common across human societies — ranging from instinctive fear reactions to complex social interactions — arose as evolutionary adaptations. These adaptations enhanced the survival and reproductive success of our ancestors, thereby becoming embedded in the human psyche...
02:07Conservation of Declining Populations
Conservation of declining population focuses on ways of detecting, diagnosing, and halting a population decline. The approach uses methods to prevent populations from going extinct.