DNA secondary structures: Stability and function of G-quadruplex structures

Matthew L. Bochman, Katrin Paeschke, Virginia A. Zakian

Research output: Contribution to journalReview article

678 Scopus citations

Abstract

In addition to the canonical double helix, DNA can fold into various other inter-and intramolecular secondary structures. Although many such structures were long thought to be in vitro artefacts, bioinformatics demonstrates that DNA sequences capable of forming these structures are conserved throughout evolution, suggesting the existence of non-B-form DNA in vivo. In addition, genes whose products promote formation or resolution of these structures are found in diverse organisms, and a growing body of work suggests that the resolution of DNA secondary structures is critical for genome integrity. This Review focuses on emerging evidence relating to the characteristics of G-quadruplex structures and the possible influence of such structures on genomic stability and cellular processes, such as transcription.

Original languageEnglish (US)
Pages (from-to)770-780
Number of pages11
JournalNature Reviews Genetics
Volume13
Issue number11
DOIs
StatePublished - Nov 2012

All Science Journal Classification (ASJC) codes

  • Molecular Biology
  • Genetics
  • Genetics(clinical)

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