transposon

noun
trans·​po·​son | \ tran(t)s-ˈpō-zän How to pronounce transposon (audio) \

Definition of transposon

: a transposable element especially when it contains genetic material controlling functions other than those related to its relocation

Examples of transposon in a Sentence

Recent Examples on the Web Judith Korb, who studies aging in termites at the Albert Ludwig University of Freiburg, compared transposon activity in two termite species. Yao-hua Law, Science | AAAS, "What can ants, bees, and other social insects teach us about aging?," 25 Mar. 2021 In fact, Crispr itself appears to have evolved from a self-synthesizing transposon, as NIH researchers Eugene Koonin and Kira Makarova described in 2017. Megan Molteni, Wired, "This Company Wants to Rewrite the Future of Genetic Disease," 7 July 2020 Since then, research has shown that transposons played an important role in the evolution of pregnancy. Quanta Magazine, "Evolution as Opportunist," 4 Sep. 2013 Parts of this noncoding portion of the genome are riddled with repetitive DNA sequences, caused by transposable genetic elements, or transposons, that copy and insert themselves throughout the genome. Quanta Magazine, "Theorists Debate How ‘Neutral’ Evolution Really Is," 8 Nov. 2018 Then Travis Thomson arrived in her lab as a postdoc after completing another postdoc in a lab that studied the mobile genetic elements called transposons, many of which resemble viruses. Quanta Magazine, "Cells Talk in a Language That Looks Like Viruses," 2 May 2018 Budnik’s experience with Arc led her to look for other transposons and viral elements transported by extracellular vesicles. Quanta Magazine, "Cells Talk in a Language That Looks Like Viruses," 2 May 2018 By helping its host cells, Feschotte says, the transposon achieves its selfish ends. Mitch Leslie, Science | AAAS, "Don’t call it junk—This ‘jumping’ gene may be why you made it past an embryo," 21 June 2018 That said, transposons often behave like unwelcome houseguests. Mitch Leslie, Science | AAAS, "Don’t call it junk—This ‘jumping’ gene may be why you made it past an embryo," 21 June 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'transposon.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of transposon

1974, in the meaning defined above

History and Etymology for transposon

transpose + -on entry 2

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Time Traveler for transposon

Time Traveler

The first known use of transposon was in 1974

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Statistics for transposon

Last Updated

4 Apr 2021

Cite this Entry

“Transposon.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/transposon. Accessed 7 May. 2021.

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More Definitions for transposon

transposon

noun
trans·​po·​son | \ ˌtran(t)s-ˈpō-ˌzän How to pronounce transposon (audio) \

Medical Definition of transposon

: a transposable element especially when it contains genetic material controlling functions other than those related to its relocation

More from Merriam-Webster on transposon

Britannica.com: Encyclopedia article about transposon

Comments on transposon

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