Review
doi: 10.1016/j.cub.2008.12.019.
Selfish DNA: homing endonucleases find a home
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- PMID: 19211047
- DOI: 10.1016/j.cub.2008.12.019
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Review
Selfish DNA: homing endonucleases find a home
Curr Biol.
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Abstract
Self-splicing group I introns come in two flavours - those with a homing endonuclease to promote mobility of the intron, and those without an endonuclease. How homing endonucleases and self-splicing introns associate to form a composite selfish genetic element is a question of long-standing interest. Recent work has revealed that a shared characteristic of both introns and endonucleases, the targeting of conserved sequences, may provide the impetus for the evolution of composite mobile genetic elements.
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