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Restriction Enzyme

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Encyclopedia of Astrobiology
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Restriction endonuclease

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A restriction enzyme is an endonuclease that binds and cuts double-stranded DNA at a specific nucleotide sequence. Some restriction enzymes cut both strands, generating blunt ends whereas others generate sticky ends. Restriction combined with DNA modification, which impede the cutting of the DNA, is a protection system against the introduction of foreign DNA sequences into prokaryotic systems. These enzymes have been instrumental in the development of cloning and genetic engineering techniques.

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Correspondence to Juli Peretó .

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© 2014 Springer-Verlag Berlin Heidelberg

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Peretó, J. (2014). Restriction Enzyme. In: Amils, R., et al. Encyclopedia of Astrobiology. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-27833-4_1368-2

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  • DOI: https://doi.org/10.1007/978-3-642-27833-4_1368-2

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  • Online ISBN: 978-3-642-27833-4

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