ECB-ART-34691
Nature
1983 Nov 01;3065941:342-7. doi: 10.1038/306342a0.
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An unusual transposon with long terminal inverted repeats in the sea urchin Strongylocentrotus purpuratus.
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A 3-kilobase DNA segment characteristic of a transposable element was found within a histone H2B pseudogene in a higher eukaryote, the sea urchin Stronglyocentrotus purpuratus. The inserted segment (TU1) is flanked by 8-base pair (bp) direct repeats of the H2B sequence. TU1 has long terminal inverted repeats approximately 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.
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Genes referenced: LOC100887844