Insertion sequence (IS)
A transposable nucleotide sequence that only encodes the functions required for its own transposition. Insertion sequences are typically less than 5 kb. Synonymous with "insertion element".
insertion sequence
The simplest kind of a transposon, consisting of inserted repeats of DNA flanking a gene for transposase, the enzyme that catalyzes transposition.
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Insertion sequence A simple DNA transposon, composed of a kilobase sequence that specifies a transposase and is bounded on either end by inverted terminal repeats; an insertion sequence can insert itself into any site on a bacterial chromosome.
Insertion sequence (IS element)
Group of transposable elements that were detected by Saedler, Starling and Shapiro. They constist of 800 to 2000 base pairs and carry inverted repeats at their ends.
Insertion sequence
Intragenomic conflict
Tn10
Signature tagged mutagenesis ...
The selenocysteine insertion sequence (SECIS) has been found in a number of organisms.
The simplest type of transposon is an insertion sequence (IS). It is a sequence of DNA that encodes an enzyme called transposase, which enables the IS to move.
Insertion sequences are short (600-1500 base pairs long) simple transposons that do not carry genes beyond those essential for insertion of the transposon into E. coli. Complex transposons are much larger and carry additional genes.
IS element
See insertion seuqence.
Related Terms:
Insertion sequence (IS element) ...
A mutation that affects the transcription or translation of part of the gene or operon downstream of the mutant site. For example, nonsense mutations, frameshift mutations, and insertion sequence(IS)-induced mutations.
 See also: Insertion, Insert, Sequence, Trans, Organ
  
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