Dna ligase: Difference between revisions
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Hartl D. L., Ruvolo M. (2012), Genetics: Analysis of genes and genomes, Eight Edition, Jones and Bartlett learning (Chapter 2 DNA Structure and Genetic Variation) p440-42<br> | |||
Revision as of 22:19, 20 October 2012
DNA ligase is an enzyme used for the ligation of blunt ended and sticky ended recombinant fragments or Okazaki fragments. It works by repairing breaks in the sugar phosphate backbone in DNA by creating a covalent bond between adjoining nucleotides [1] (between the 3’hydroxyl group of one DNA molecule with the 5’phosphoryl group of another).
In eukaryotes DNA ligase I family members play the major role[2].The enzyme has a fundamental role in genetic engineering such as recombinant plasmid formation or Polymerase Chain Reaction.
References
- ↑ Mosby's Medical Dictionary, 8th edition. 2009, Elsevier.
- ↑ http://www.ncbi.nlm.nih.gov/pubmed/22918593
Hartl D. L., Ruvolo M. (2012), Genetics: Analysis of genes and genomes, Eight Edition, Jones and Bartlett learning (Chapter 2 DNA Structure and Genetic Variation) p440-42