Share this entry

Share this page

transposon

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

Definition of transposon in English:

noun

Genetics
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.

Origin

1970s: from transposition + -on.

Definition of transposon in:

Share this entry

Share this page

 

What do you find interesting about this word or phrase?

Comments that don't adhere to our Community Guidelines may be moderated or removed.

Get more from Oxford Dictionaries

Subscribe to remove adverts and access premium resources

Word of the day tenebrous
Pronunciation: ˈtɛnɪbrəs
adjective
dark; shadowy or obscure