Transposon

Transposons are sequences of DNA that can move around to different positions within the genome of a single cell, a process called transposition. In the process, they can cause mutations and change the amount of DNA in the genome.
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Transposons: Mobile DNA
Class II Transposons
Miniature Inverted-repeat Transposable Elements (MITEs) (Class III)
Transposons ...
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Definition of transposon :
A mobile piece of DNA that is flanked by terminal repeat sequences and typically bears genes coding for transposition functions. See transposable genetic element.
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A transposon constructed of two IS (insertion sequence) elements flanking a control region that frequently contains host genes.
A B C D E F G H I J K L M N O P Q R S T U V W X Y Z ...
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Transposons (transposable elements) are genes that can move ("jump") from one DNA molecule to another in a cell, or from one location to another on the same DNA molecule.
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Transposons are segments of DNA that are capable of moving to another location, either on the same chromosome or on a different one. If a transposon inserts itself within another gene, it can prevent the gene from expressing itself.
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Transposons are genes that can move from one place in the genome to another.
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Transposons are DNA fragments incorporated into the chromosomal DNA. Unlike episomes and prophages, transposons contain a gene producing an enzyme that catalyzes insertion of the transposon at a new site.
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Transposon (Tn)
DNA elements carrying genes for transposition and other genetic functions. The former genes enable those elements to move from one site on a chromosome to another.
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Transposon tag
Use of a transposon insertion in a gene to follow the inheritance of the gene.
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transposon
(trans-poh-son) [L. transponere, to change the position of]
A transposable genetic element; a mobile segment of DNA that serves as an agent of genetic change.
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Transposon-Based Genomic Sequencing
Christopher H. Martin, Michael Strathmann, Carol A. Mayeda, and Michael J. Palazzolo
Human Genome Center; Cell and Molecular Biology Division; Lawrence Berkeley Laboratory; Berkeley, CA 94720 ...
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TRANSPOSON - A transposable genetic element; certain sequence elements which are capable of moving from one site to another in a DNA molecule without any requirement for sequence relatedness at the donor and acceptor sites.
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Transposon (transposable, or movable genetic element). A relatively small DNA segment that has the ability to move from one chromosomal position to another.
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retrotransposon - A transposable DNA element (transposon) which is replicated through an RNA intermediate via reverse transcriptase. Within their characteristic long terminal repeats (LTRs), some retrotransposons encode retroviral-like proteins (e.g.
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The number of Tn10 transposons in E. coli genomes is maintained at a constant low level.
DNA replication is required for Tn10 transposition.
The inverted repeats of IS10R contain a GATC sequence, a target of dam methylation.
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(See Transposon.) mRNA. See Messenger RNA. Multi-locus probe. A probe that hybridizes to a number of different sites in the genome of an organism. (See Probe.) Mutagen. Any agent or process that can cause mutations. See Mutation. Mutation.
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Free transposons are not found; they spread via transposition into mobile DNA molecules such as plasmids.
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insertion sequence The specific base sequences at either end of a transposon which allows for insertion into DNA. integral membrane proteins Proteins inserted into a membrane by hydrophobic interactions Contrast with peripheral proteins.
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Barbara McClintock discovers transposons in maize 1952 The Hershey-Chase experiment proves the genetic information of phages (and all other organisms) to be DNA 1953 DNA structure is resolved to be a double helix by James D.
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Insertion Sequence: A small bacterial transposon carrying only the genetic functions involved in transposition. There are usually inverted repeats at the ends of the insertion sequence.
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