The involvement of non-B DNA structures in gross chromosomal rearrangements

Albino Bacolla, Marzena Wojciechowska, Beata Kosmider, Jacquelynn E. Larson, Robert D. Wells

Research output: Contribution to journalReview articlepeer-review

80 Scopus citations

Abstract

Non-B DNA conformations adopted by certain types of DNA sequences promote genetic instabilities, especially gross rearrangements including translocations. We conclude the following: (a) slipped (hairpin) structures, cruciforms, triplexes, tetraplexes and i-motifs, and left-handed Z-DNA are formed in chromosomes and elicit profound genetic consequences via recombination-repair, (b) repeating sequences, probably in their non-B conformations, cause gross genomic rearrangements (translocations, deletions, insertions, inversions, and duplications), and (c) these rearrangements are the genetic basis for numerous human diseases including polycystic kidney disease, adrenoleukodystrophy, follicular lymphomas, and spermatogenic failure.

Original languageEnglish
Pages (from-to)1161-1170
Number of pages10
JournalDNA Repair
Volume5
Issue number9-10
DOIs
StatePublished - Sep 8 2006

Keywords

  • Gross deletions
  • Hereditary diseases
  • Low copy repeats (LCRs)
  • Non-B DNA conformations
  • Triplet and tetranucleotide repeats

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