An unusual transposon with long terminal inverted repeats in the sea urchin strongylocentrotus purpuratus

Dan Liebermann, Barbara Hoffman-liebermann, Joel Weinthal, Geoffrey Childs, Robert Maxson, Alex Mauron, Stanley N. Cohen, Larry Kedes

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Abstract

A 3-kilobase DNA segment characteristic of a transposable element was found within a histone H2B pseudogene in a higher eukaryote, the sea urchin Strongylocentrotus purpuratus. The inserted segment (TU1) is flanked by 8-base pair (bp) direct repeats of the H2B sequence. TU1 has long terminal inverted repeats ∼840 bp long with an outer domain of 15-bp tandem repeats and a non-repeating inner domain, and is a member of a heterogeneous family of transposable elements. TU1 differs from most previously characterized eukaryotic transposable elements with terminal direct repats, but resembles the foldback transposon family in Drosophila.

Original languageEnglish (US)
Pages (from-to)342-347
Number of pages6
JournalNature
Volume306
Issue number5941
DOIs
StatePublished - Dec 1 1983

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Cite this

Liebermann, D., Hoffman-liebermann, B., Weinthal, J., Childs, G., Maxson, R., Mauron, A., Cohen, S. N., & Kedes, L. (1983). An unusual transposon with long terminal inverted repeats in the sea urchin strongylocentrotus purpuratus. Nature, 306(5941), 342-347. https://doi.org/10.1038/306342a0