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Haplotype blocks an...
Haplotype blocks and heterozygosity rich regions on ECA2 in Swedish Warmblood horses
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- Eriksson, Susanne (author)
- Swedish University of Agricultural Sciences,Sveriges lantbruksuniversitet,Institutionen för husdjursgenetik (HGEN),Department of Animal Breeding and Genetics
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- Mikko, Sofia (author)
- Swedish University of Agricultural Sciences,Sveriges lantbruksuniversitet,Institutionen för husdjursgenetik (HGEN),Department of Animal Breeding and Genetics
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(creator_code:org_t)
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- ISBN 9789086869404
- The Netherlands : Wageningen Academic Publishers, 2022
- 2022
- English.
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Abstract
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- The Fragile Foal Syndrome (FFS) is a disease caused by a recessive lethal missense mutation in the PLOD1 gene (ECA2). Despite its harmful effect, a relatively high frequency of the FFS allele carriers has been found in the Swedish Warmblood (SWB), suggesting a heterozygous advantage. Balancing selection can be further studied in haplotype blocks and increased heterozygosity around the target of selection. In this study we evaluated the presence of haplotype blocks and Runs of Heterozygosity on ECA2 in 380 SWB horses divided by sport discipline. In horses mainly bred for dressage a haplotype block comprising the FFS variant was found. On average 11.7 Runs of Heterozygosity were identified per horse on ECA2, with no significant difference in numbers between the sport disciplines. This study provides a preliminary characterization of haplotype blocks and heterozygosity rich regions on ECA2 which may further corroborate the potential presence of balancing selection for the FFS allele.
Subject headings
- LANTBRUKSVETENSKAPER -- Husdjursvetenskap -- Husdjursvetenskap (hsv//swe)
- AGRICULTURAL SCIENCES -- Animal and Dairy Sience -- Animal and Dairy Science. (hsv//eng)
- LANTBRUKSVETENSKAPER -- Bioteknologi med applikationer på växter och djur -- Genetik och förädling inom lantbruksvetenskap (hsv//swe)
- AGRICULTURAL SCIENCES -- Agricultural Biotechnology -- Genetics and Breeding in Agricultural Sciences (hsv//eng)
Publication and Content Type
- ref (subject category)
- kon (subject category)
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