Repetitive DNA and chromosomal rearrangements: Speciation-related events in plant genomes

O. Raskina, J. C. Barber, E. Nevo, A. Belyayev

Research output: Contribution to journalReview articlepeer-review


Chromosomal change is one of the more hotly debated potential mechanisms of speciation. It has long been argued over whether - and to what degree - changes in chromosome structure contribute to reproductive isolation and, ultimately, speciation. In this review we do not aim to completely analyze accumulated data about chromosomal speciation but wish to draw attention to several critical points of speciation-related chromosomal change, namely: (a) interrelations between chromosomal rearrangements and repetitive DNA fraction; (b) mobility of ribosomal DNA clusters; and (c) rDNA and transposable elements as perpetual generators of genome instability.

Original languageEnglish
Pages (from-to)351-357
Number of pages7
JournalCytogenetic and Genome Research
Issue number3-4
StatePublished - May 2008

ASJC Scopus subject areas

  • Molecular Biology
  • Genetics
  • Genetics(clinical)


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