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Genome size diversity in angiosperms and its influence on gene space

  • Steven Dodsworth
    ,
  • Andrew R. Leitch
    ,
  • Ilia J. Leitch
  • Queen Mary University of London
    ,
  • Royal Botanic Gardens, Kew
Research Output: Contribution to journal Article Peer-review

Open access

Abstract

Genome size varies c. 2400-fold in angiosperms (flowering plants), although the range of genome size is skewed towards small genomes, with a mean genome size of 1C = 5.7 Gb. One of the most crucial factors governing genome size in angiosperms is the relative amount and activity of repetitive elements. Recently, there have been new insights into how these repeats, previously discarded as ‘junk’ DNA, can have a significant impact on gene space (i.e. the part of the genome comprising all the genes and gene-related DNA). Here we review these new findings and explore in what ways genome size itself plays a role in influencing how repeats impact genome dynamics and gene space, including gene expression.

Publication Information

Output type

Research Output: Contribution to journal Article Peer-review

Original language

English

Pages from-to (Number of pages)

Pages 73-78

Journal (Volume, Issue Number)

Current Opinion in Genetics and Development (Volume 35)

Publication milestones

  • Published - 21/11/2015

Publication status

Published - 21/11/2015

ISSN

0959-437X

External Publication IDs

  • handle.net: 10547/623131
  • Scopus: 84947713166

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