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transposon Line breaks: trans|poson
Pronunciation: /transˈpəʊzɒn/
/trɑːns-/ /-nz-/

Definition of transposon in English:


A chromosomal segment that can undergo transposition, especially a segment of bacterial DNA that can be translocated as a whole between chromosomal, phage, and plasmid DNA in the absence of a complementary sequence in the host DNA. Also called jumping gene.
Example sentences
  • In fact, in evolutionary terms, it is likely that such sequences have been more successful as transposons than as host genes.
  • Thus we were able to clone the DNA sequence that flanked the transposon insertion using plasmid rescue.
  • Several DNA sequences that show sequence similarity to transposons were isolated from these sex chromosomes.


1970s: from transposition + -on.

Definition of transposon in:
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