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Challenges and prospects in genome wide QTL mapping of standing genetic variation in natural populations.

Schielzeth, Holger; Husby, Arild
Preprint
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URI
http://hdl.handle.net/11250/2393232
Date
2014
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  • Institutt for biologi [1656]
  • Publikasjoner fra CRIStin - NTNU [19946]
Original version
Annals of the New York Academy of Sciences 2014, 1320:35-57   10.1111/nyas.12397
Abstract
A considerable challenge in evolutionary genetics is to understand the genetic mechanisms that facilitate or impede

evolutionary adaptation in natural populations. For this, we must understand the genetic loci contributing to trait

variation and the selective forces acting on them. The decreased costs and increased feasibility of obtaining genotypic

data on a large number of individuals have greatly facilitated gene mapping in natural populations, particularly

because organisms whose genetics have been historically difficult to study are now within reach. Here we review the

methods available to evolutionary ecologists interested in dissecting the genetic basis of traits in natural populations.

Our focus lies on standing genetic variation in outbred populations. We present an overview of the current state of

research in the field, covering studies on both plants and animals. We also draw attention to particular challenges

associated with the discovery of quantitative trait loci and discuss parallels to studies on crops, livestock, and humans.

Finally, we point to some likely future developments in genetic mapping studies.
Publisher
Wiley
Journal
Annals of the New York Academy of Sciences

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