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Detecting the True Extent of Introgression during Anthropogenic Hybridization

McFarlane, S. Eryn LU and Pemberton, Josephine M. (2019) In Trends in Ecology and Evolution 34(4). p.315-326
Abstract

Hybridization among naturally separate taxa is increasing owing to human impact, and can result in taxon loss. Previous classification of anthropogenic hybridization has largely ignored the case of bimodal hybrid zones, in which hybrids commonly mate with parental species, resulting in many backcrossed individuals with a small proportion of introgressed genome. Genetic markers can be used to detect such hybrids, but until recently too few markers have been used to detect the true extent of introgression. Recent studies of wolves and trout have employed thousands of markers to reveal previously undetectable backcrosses. This improved resolution will lead to increased detection of late-generation backcrosses, shed light on the... (More)

Hybridization among naturally separate taxa is increasing owing to human impact, and can result in taxon loss. Previous classification of anthropogenic hybridization has largely ignored the case of bimodal hybrid zones, in which hybrids commonly mate with parental species, resulting in many backcrossed individuals with a small proportion of introgressed genome. Genetic markers can be used to detect such hybrids, but until recently too few markers have been used to detect the true extent of introgression. Recent studies of wolves and trout have employed thousands of markers to reveal previously undetectable backcrosses. This improved resolution will lead to increased detection of late-generation backcrosses, shed light on the consequences of anthropogenic hybridization, and pose new management issues for conservation scientists.

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author
organization
publishing date
type
Contribution to journal
publication status
published
subject
in
Trends in Ecology and Evolution
volume
34
issue
4
pages
315 - 326
publisher
Elsevier
external identifiers
  • scopus:85059868703
ISSN
0169-5347
DOI
10.1016/j.tree.2018.12.013
language
English
LU publication?
yes
id
85c59047-4e73-4a6e-aee3-874cfacbe8bd
date added to LUP
2019-01-24 10:21:09
date last changed
2019-11-05 05:11:31
@article{85c59047-4e73-4a6e-aee3-874cfacbe8bd,
  abstract     = {<p>Hybridization among naturally separate taxa is increasing owing to human impact, and can result in taxon loss. Previous classification of anthropogenic hybridization has largely ignored the case of bimodal hybrid zones, in which hybrids commonly mate with parental species, resulting in many backcrossed individuals with a small proportion of introgressed genome. Genetic markers can be used to detect such hybrids, but until recently too few markers have been used to detect the true extent of introgression. Recent studies of wolves and trout have employed thousands of markers to reveal previously undetectable backcrosses. This improved resolution will lead to increased detection of late-generation backcrosses, shed light on the consequences of anthropogenic hybridization, and pose new management issues for conservation scientists.</p>},
  author       = {McFarlane, S. Eryn and Pemberton, Josephine M.},
  issn         = {0169-5347},
  language     = {eng},
  month        = {01},
  number       = {4},
  pages        = {315--326},
  publisher    = {Elsevier},
  series       = {Trends in Ecology and Evolution},
  title        = {Detecting the True Extent of Introgression during Anthropogenic Hybridization},
  url          = {http://dx.doi.org/10.1016/j.tree.2018.12.013},
  volume       = {34},
  year         = {2019},
}