restriction enzyme
any of a group of enzymes that catalyze the cleavage of DNA molecules at specific sites: used for gene splicing in recombinant DNA technology and for chromosome mapping.
Origin of restriction enzyme
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Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024
How to use restriction enzyme in a sentence
The host DNA is sliced open, the plasmid is inserted in the gap, and ligases repair the cut made by the restriction enzymes.
E. coli isn’t always bad—it’s actually an unlikely research hero | Erin Fennessy | September 27, 2021 | Popular-ScienceOne hypothesis is that replacing A with Z is a countermeasure against bacterial defense enzymes, known as restriction enzymes, that chop up DNA from invading phages.
Some viruses thwart bacterial defenses with a unique genetic alphabet | Tina Hesman Saey | May 5, 2021 | Science News
British Dictionary definitions for restriction enzyme
any of several enzymes produced by bacteria as a defence against viral infection and commonly used to cut DNA for genetic manipulation or diagnosis
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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