Genomic variation in Pekin duck populations developed in three different countries as revealed by whole‐genome data

Genomic variation in Pekin duck populations developed in three different countries as revealed by... It is well known that both British and American Pekin ducks originated from China. However, the populations differ substantially in production performance, but the genetic changes involved are still poorly understood. Herein, we sequenced 24 individual Pekin ducks (eight from each population) with an average sequencing depth of more than 45× for each population (mean coverage of 6.29 per individual). Among these populations from three different countries, we identified a large number of SNPs and indels as well as many unique population variants, which can be used as population‐specific molecular markers. Genomic comparisons among the three duck populations revealed many candidate genes as well as pathways and Gene Ontology categories that are putatively associated with meat yield in the British population, growth in the American population and brain development in all three populations. These findings will enable a better understanding of the artificial selection history of Pekin ducks and provide a valuable resource for future research on the breeding of this species. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Animal Genetics Wiley

Genomic variation in Pekin duck populations developed in three different countries as revealed by whole‐genome data

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Publisher
Wiley Subscription Services, Inc., A Wiley Company
Copyright
Copyright © 2018 Stichting International Foundation for Animal Genetics
ISSN
0268-9146
eISSN
1365-2052
D.O.I.
10.1111/age.12639
Publisher site
See Article on Publisher Site

Abstract

It is well known that both British and American Pekin ducks originated from China. However, the populations differ substantially in production performance, but the genetic changes involved are still poorly understood. Herein, we sequenced 24 individual Pekin ducks (eight from each population) with an average sequencing depth of more than 45× for each population (mean coverage of 6.29 per individual). Among these populations from three different countries, we identified a large number of SNPs and indels as well as many unique population variants, which can be used as population‐specific molecular markers. Genomic comparisons among the three duck populations revealed many candidate genes as well as pathways and Gene Ontology categories that are putatively associated with meat yield in the British population, growth in the American population and brain development in all three populations. These findings will enable a better understanding of the artificial selection history of Pekin ducks and provide a valuable resource for future research on the breeding of this species.

Journal

Animal GeneticsWiley

Published: Jan 1, 2018

Keywords: ; ;

References

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