Diversity of Endonuclease V: From DNA Repair to RNA Editing
AbstractDeamination of adenine occurs in DNA, RNA, and their precursors via a hydrolytic reaction and a nitrosative reaction. The generated deaminated products are potentially mutagenic because of their structural similarity to natural bases, which in turn leads to erroneous nucleotide pairing and subsequent disruption of cellular metabolism. Incorporation of deaminated precursors into the nucleic acid strand occurs during nucleotide synthesis by DNA and RNA polymerases or base modification by DNA- and/or RNA-editing enzymes during cellular functions. In such cases, removal of deaminated products from DNA and RNA by a nuclease might be required depending on the cellular function. One such enzyme, endonuclease V, recognizes deoxyinosine and cleaves 3' end of the damaged base in double-stranded DNA through an alternative excision repair mechanism in Escherichia coli, whereas in Homo sapiens, it recognizes and cleaves inosine in single-stranded RNA. However, to explore the role of endonuclease V in vivo, a detailed analysis of cell biology is required. Based on recent reports and developments on endonuclease V, we discuss the potential functions of endonuclease V in DNA repair and RNA metabolism. View Full-Text
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Kuraoka, I. Diversity of Endonuclease V: From DNA Repair to RNA Editing. Biomolecules 2015, 5, 2194-2206.
Kuraoka I. Diversity of Endonuclease V: From DNA Repair to RNA Editing. Biomolecules. 2015; 5(4):2194-2206.Chicago/Turabian Style
Kuraoka, Isao. 2015. "Diversity of Endonuclease V: From DNA Repair to RNA Editing." Biomolecules 5, no. 4: 2194-2206.