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Overview of Transposition and Recombination

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Transposons make up a significant part of genomes of various organisms. Therefore, it is believed that transposition played a major evolutionary role in speciation by changing genome sizes and modifying gene expression patterns. For example, in bacteria, transposition can lead to conferring antibiotic resistance. Movement of transposable elements within the genetic pool of pathogenic bacteria can aid in transfer of antibiotic-resistant genetic elements. In eukaryotes, transposons can carry out...

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Updated: Mar 5, 2026

Real-Time Quantification of the Effects of IS200/IS605 Family-Associated TnpB on Transposon Activity

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Published on: January 20, 2023

Cross-Regulation between Transposable Elements and Host DNA Replication.

Mikel Zaratiegui¹

¹Department of Molecular Biology and Biochemistry, Rutgers, the State University of New Jersey, 604 Allison Rd, Nelson Biolabs A133, Piscataway, NJ 08854, USA. zaratiegui@dls.rutgers.edu.

|March 25, 2017

Summary

This summary is machine-generated.

Transposable elements adapt to host DNA replication for survival. These interactions drive the co-evolution of mobile genetic elements and their hosts.

Keywords:

DNA replication genome integrity replication fork transcription transposable elements

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Quantitation and Analysis of the Formation of HO-Endonuclease Stimulated Chromosomal Translocations by Single-Strand Annealing in Saccharomyces cerevisiae

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Published on: September 23, 2011

Area of Science:

Genetics
Evolutionary Biology
Molecular Biology

Background:

Transposable elements (TEs), or "jumping genes," are mobile genetic sequences that can alter the genome of host organisms.
TEs must interact with host cellular machinery, including DNA replication, to propagate and persist.
Understanding these interactions is key to deciphering host-TE dynamics.

Purpose of the Study:

To investigate the evolutionary adaptations of transposable elements in response to host DNA replication processes.
To explore how selective pressures shape TE interactions with conserved DNA replication features.
To elucidate the role of these interactions in the co-evolution of TEs and their hosts.

Main Methods:

Comparative genomics analysis of TE sequences across diverse species.
Bioinformatic analysis of TE-host DNA replication protein interactions.
Phylogenetic reconstruction to infer ancestral TE adaptations.

Main Results:

TEs exhibit significant evolutionary adaptations, including ancestral and convergent traits, related to host DNA replication.
Specific TE families show preferential interactions with conserved DNA replication factors.
Evidence suggests co-evolutionary arms races between TEs and host replication machinery.

Conclusions:

Transposable elements actively subvert host DNA replication machinery for their own propagation.
Evolutionary pressures have driven TEs to develop sophisticated adaptations targeting fundamental host processes.
TE-host DNA replication interactions are a significant driving force in genome evolution and the co-evolution of mobile elements and their hosts.