Article
Molecular resurrection of an extinct ancestral promoter for mouse L1.
Proceedings of the National Academy of Sciences of the United States of America - 15 Feb 1994
Adey N B, Tollefsbol T O, Sparks A B, Edgell M H, Hutchison C A
Abstract excerpt
The F-type subfamily of LINE-1 or L1 retroposons [for long interspersed (repetitive) element 1] was dispersed in the mouse genome several million years ago. This subfamily appears to be both transcriptionally and transpositionally inactive today and therefore may be considered evolutionarily extinct. We hypothesized that these F-type L1s are inactive because of the accumulation of mutations. To test this idea we...
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