Related Experiment Video
Updated: Aug 5, 2026
10:39
Methodology for the Study of Horizontal Gene Transfer in Staphylococcus aureus
Published on: March 10, 2017
Beyond Adaptive Gene Transfers: A Primer on Horizontal Gene Transfer Across Scales
Julia Van Etten1,2, Matthew D Johnson1
1Biology Department, Woods Hole Oceanographic Institution, Woods Hole, MA 02543, USA.
Integrative and Comparative Biology
|July 28, 2026
Summary
Horizontal gene transfer (HGT) moves genetic material across species. This study expands the "ecology of DNA transfer" concept, viewing HGT as a dynamic, multi-layered process influenced by genome, cell, and environment interactions.
Area of Science:
- Genetics
- Evolutionary Biology
- Ecology
Background:
- Horizontal gene transfer (HGT) is a key evolutionary mechanism.
- Traditional studies focus on individual genes, but genomics reveals a broader scope.
- A comprehensive framework is needed to understand HGT's complexity.
Purpose of the Study:
- To expand the "ecology of DNA transfer" concept.
- To frame HGT as a multi-layered process.
- To explore the evolutionary fate and expression of transferred DNA.
Main Methods:
- Conceptual framework development.
- Integration of genomics and metagenomics data.
- Analysis of DNA transfer across biological scales.
Main Results:
- HGT operates across genome, cell, and ecological levels.
- Transferred DNA exhibits varied fates over evolutionary time.
- Recently acquired DNA may be silenced, while ancient DNA is integrated.
Conclusions:
- HGT is a dynamic and context-dependent process.
- Interactions across biological scales shape HGT.
- An integrative framework is crucial for understanding HGT's evolutionary impact.
Related Concept Videos
02:18Types of Genetic Transfer Between Organisms
Genetic transfer occurs when genetic information is passed from one organism to another. It occurs via two mechanisms: vertical gene transfer and horizontal gene transfer. Vertical gene transfer occurs when genetic information is transferred from one generation to the next, which happens much more frequently than horizontal gene transfer. Both sexual and asexual reproduction are forms of vertical gene transfer, where one or more organisms pass some or all of their genome onto their progeny.
02:18Types of Genetic Transfer Between Organisms
Genetic transfer occurs when genetic information is passed from one organism to another. It occurs via two mechanisms: vertical gene transfer and horizontal gene transfer. Vertical gene transfer occurs when genetic information is transferred from one generation to the next, which happens much more frequently than horizontal gene transfer. Both sexual and asexual reproduction are forms of vertical gene transfer, where one or more organisms pass some or all of their genome onto their progeny.
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