Journal Title
Title of Journal: Behav Genet
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Abbravation: Behavior Genetics
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Authors: Veronika N Laine Gábor Herczeg Takahito Shikano Johanna Vilkki Juha Merilä
Publish Date: 2013/11/06
Volume: 44, Issue: 1, Pages: 77-88
Abstract
The genetic architecture of behavioral traits is yet relatively poorly understood in most nonmodel organisms Using an F2intercross n = 283 offspring between behaviorally divergent ninespined stickleback Pungitius pungitius populations we tested for and explored the genetic basis of different behavioral traits with the aid of quantitative trait locus QTL analyses based on 226 microsatellite markers The behaviors were analyzed both separately viz feeding activity risktaking and exploration and combined in order to map composite behavioral type Two significant QTL—explaining on average 6 of the phenotypic variance—were detected for composite behavioral type on the experimentwide level located on linkage groups 3 and 8 In addition several suggestive QTL located on six other linkage groups were detected on the chromosomewide level Apart from providing evidence for the genetic basis of behavioral variation the results provide a good starting point for finerscale analyses of genetic factors influencing behavioral variation in the ninespined sticklebackWe thank Abigel Gonda Mirva Turtianen and Pirkko Siikamäki the Oulanka Research Station University of Oulu for help in obtaining the fish Kirsi Kähkönen for help in genotyping Jacquelin De Faveri for comments that improved an earlier version of this manuscript and DJ de Koning for suggestions regarding treating of the trait data Our research was supported by Academy of Finland grant numbers 34728 250435 and 265211to JM and 128716 to GH and the Biological Interactions Graduate School to VNL GH was also supported by the Hungarian Scientific Research Fund GH OTKAK 105517 and the János Bólyai Research Scholarship of the Hungarian Academy of Sciences The experiments carried out in this study were conducted under license from the Finnish National Animal Experiment Board license no STH211A and the fish from Kuusamo were obtained with license from Metsähallitus permit given for GH
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