Interpreting the genomic landscape of introgression.

S.H. Martin, C.D. Jiggins

Research output: Contribution to journalArticlepeer-review

Abstract / Description of output

Introgression, the transfer of genetic material between species through hybridisation, occurs in many taxa and has important consequences. Genomic studies allow us to characterise the landscape of introgression across the genome, shedding light on both its adaptive benefits and the incompatibilities that help to maintain species barriers. Studies taking a genome-wide view suggest that adaptive introgression may be common, but that introgressed variation between many species is selected against throughout much of the genome. Confounding factors can complicate interpretations from these data, and computational simulations have proved vital to illustrate expected patterns under different scenarios. Future developments will move beyond correlative evidence to explicit models that account for how selection and genetic drift influence introgressed variation.
Original languageEnglish
Pages (from-to)69-74
Number of pages6
JournalCurrent Opinion in Genetics and Development
Publication statusPublished - 17 Dec 2017
Externally publishedYes

Keywords / Materials (for Non-textual outputs)

  • Alleles
  • Animals
  • Genetic Drift
  • Genome
  • Genomics
  • Hybridization, Genetic
  • Selection, Genetic
  • Sequence Analysis, DNA
  • Species Specificity


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