4.8 Review

Mammalian genome innovation through transposon domestication

Journal

NATURE CELL BIOLOGY
Volume 24, Issue 9, Pages 1332-1340

Publisher

NATURE PORTFOLIO
DOI: 10.1038/s41556-022-00970-4

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Funding

  1. NIH [R00HD096108, R01HG007175, U24ES026699, U01CA200060, U01HG009391, U41HG010972, U24HG012070, 1R01GM114414, R01CA139067, 1R21OD027053, GRANT12095758, 1R01HD106809, R01NS120287]
  2. Siebel Stem Cell Institute
  3. HHMI Faculty Scholar award
  4. Bakar Fellow award

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This review discusses how sequences introduced by transposon activities contribute to genome innovation and document the evolutionary path of each species.
In this Review, Andrew Modzelewski, Johnny Gan Chong, Ting Wang and Lin He discuss how sequences introduced by transposon activities provide raw material for genome innovation and document the distinct evolutionary path of each species. Since the discovery of transposons, their sheer abundance in host genomes has puzzled many. While historically viewed as largely harmless 'parasitic' DNAs during evolution, transposons are not a mere record of ancient genome invasion. Instead, nearly every element of transposon biology has been integrated into host biology. Here we review how host genome sequences introduced by transposon activities provide raw material for genome innovation and document the distinct evolutionary path of each species.

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