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Definition of Dna ligation

Dna ligation Definition from Medicine Dictionaries & Glossaries
Hepatitis Central (TM) Liver Disease Medical Glossary
The joining of two DNA strands by their ends with a phosphodiester bond
Dna ligation Definition from Encyclopedia Dictionaries & Glossaries
Wikipedia English - The Free Encyclopedia
Ligation in molecular biology is the joining of two nucleic acid fragments through the action of an enzyme. It is an essential laboratory procedure in the molecular cloning of DNA whereby DNA fragments are joined together to create recombinant DNA molecules, such as when a foreign DNA fragment is inserted into a plasmid. The ends of DNA fragments are joined together by the formation of phosphodiester bonds between the 3'-hyroxyl of one DNA termini with the 5'-phosphoryl of another. RNA may also be ligated similarly. A co-factor is generally involved in the reaction, and this is usually ATP or NAD+.

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