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Characterization of Engineered L1 Retrotransposition Events: The Recovery Method

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Transposons and Retrotransposons

Part of the book series: Methods in Molecular Biology ((MIMB,volume 1400))

Abstract

Long Interspersed Element class 1 retrotransposons (LINE-1 or L1) are abundant Transposable Elements in mammalian genomes and their mobility continues to impact the human genome. The development of engineered retrotransposition assays has been instrumental to understand how these elements are regulated and to identify domains involved in the process of retrotransposition. Additionally, the modification of a retrotransposition indicator cassette has allowed developing straightforward approaches to characterize the site of new L1 insertions in cultured cells. In this chapter, we describe a method termed “L1-recovery” that has been used to characterize the site of insertion on engineered L1 retrotransposition events in cultured mammalian cells. Notably, the recovery assay is based on a genetic strategy and avoids the use of PCR and thus reduces to a minimum the appearance of false positives/artifacts.

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Acknowledgments

David Cano, Santiago Morell, and Andres J. Pulgarin have contributed equally to this study and are listed alphabetically. We acknowledge current members of the J.L.G.-P. lab (Genyo) for valuable input during the course of the project. We also acknowledge Dr. John Moran (University of Michigan, USA) for helpful discussions. D.C. is supported by a FPU fellowship from the Government of Spain (MINECO, Ref AP2010-0135). J.L.G.P’s lab is supported by CICE-FEDER-P09-CTS-4980, CICE-FEDER-P12-CTS-2256, Plan Nacional de I+D+i 2008-2011 and 2013-2016 (FIS-FEDER-PI11/01489 and FIS-FEDER-PI14/02152), PCIN-2014-115-ERA-NET NEURON II, the European Research Council (ERC-Consolidator ERC-STG-2012-233764) and by an International Early Career Scientist grant from the Howard Hughes Medical Institute (IECS-55007420).

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Correspondence to Jose L. Garcia-Pérez Ph.D. .

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Cano, D., Morell, S., Pulgarin, A.J., Amador, S., Garcia-Pérez, J.L. (2016). Characterization of Engineered L1 Retrotransposition Events: The Recovery Method. In: Garcia-Pérez, J. (eds) Transposons and Retrotransposons. Methods in Molecular Biology, vol 1400. Humana Press, New York, NY. https://doi.org/10.1007/978-1-4939-3372-3_12

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  • DOI: https://doi.org/10.1007/978-1-4939-3372-3_12

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  • Publisher Name: Humana Press, New York, NY

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