Related Experiment Video

Updated: May 17, 2026

Embryo Microinjection for Transgenesis in Drosophila
05:32

Embryo Microinjection for Transgenesis in Drosophila

Published on: June 7, 2024

General survey of hAT transposon superfamily with highlight on hobo element in Drosophila

Véronique Ladevèze1, Nicole Chaminade, Françoise Lemeunier

  • 1UMR 6187 CNRS, Institut de Physiologie et Biologie Cellulaires, Université de Poitiers, 86022, Poitiers Cedex, France.

Genetica
|November 1, 2012
PubMed

More Related Videos

Mapping and Application of Enhancer-trap Flippase Expression in Larval and Adult Drosophila CNS09:45

Mapping and Application of Enhancer-trap Flippase Expression in Larval and Adult Drosophila CNS

Published on: June 3, 2011

Recombineering Homologous Recombination Constructs in Drosophila14:23

Recombineering Homologous Recombination Constructs in Drosophila

Published on: July 13, 2013

Related Concept Videos

Transposons01:24

Transposons

Transposons, or "jumping genes," are small mobile genetic elements (MGEs) that range from 700 to 40,000 base pairs in length. They are found in all organisms and can move within the same chromosome or transfer to different chromosomes. In some cases, transposons can also jump between different host DNA molecules, such as plasmids or viruses, contributing to genetic variability.Barbara McClintock first discovered these mobile genetic elements in the 1940s while studying maize genetics, and she...
DNA-only Transposons02:57

DNA-only Transposons

DNA-only transposons are called autonomous transposons since they code for the enzyme transposase that is required for the transposition mechanism. Insertion of transposons can alter gene functions in multiple ways. They can mutate the gene, alter gene expression by introducing a novel promoter or insulator sequence, introduce new splice sites, and change the mRNA transcripts produced, or remodel chromatin structure.
The donor site from where the transposon is excised is either degraded or...
Overview of Transposition and Recombination02:13

Overview of Transposition and Recombination

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...
LTR Retrotransposons03:08

LTR Retrotransposons

LTR retrotransposons are class I transposable elements with long terminal repeats flanking an internal coding region. These elements are less abundant in mammals compared to other class I transposable elements. About 8 percent of human genomic DNA comprises LTR retrotransposons. Some of the common examples of LTR retrotransposons are Ty elements in yeast and Copia elements in Drosophila.
The internal coding region of LTR retrotransposons and their mechanism of transposition closely resembles a...
Non-LTR Retrotransposons03:18

Non-LTR Retrotransposons

As the name suggests, non-LTR retrotransposons lack the long terminal repeats characteristic of the LTR retrotransposons. Additionally, both LTR and non-LTR retrotransposons use distinct mechanisms of mobilization. Non-LTR retrotransposons are further divided into two classes - Long interspersed nuclear elements (LINEs) and short interspersed nuclear elements (SINEs), both of which occur abundantly in most mammals, including humans. Some of the active non-LTR retrotransposons in humans are L1...