<abstract xmlns="http://www.w3.org/1999/xhtml"><p>The present study was undertaken to analyse the genetic variation in coding sequences, splicing sites and regulatory sequences of <italic>FABP4, PPARγ</italic> and <italic>SCD</italic> genes in five breeds of sheep raised in Poland with different purposes: meat (Suffolk, Ile de France), dairy/prolific (Olkuska sheep, Kołuda) and primitive breeds (Polish Mountain Sheep). To identify genetic variability HRM-PCR, sequencing and PCR-RFLP method were used. Determining the genetic structure of the mentioned genes revealed six SNPs: <italic>FABP4 –</italic> c.73 + 13A>T and c.348 + 85G>A, <italic>PPARγ –</italic> c.391 – 66C>T (c.481 – 66C>T) and c.529 + 27G>C (c.619 + 27G>C), <italic>SCD –</italic> c.*945G>A and c.*1116A>G. For the c.*1116A>G SNP, a potential association with specific sheep body type and breeding purpose was found. In turn, the substitution c.*945G>A located in the regulatory region of the 3'-UTR of the <italic>Ovis aries SCD</italic> gene was identified for the first time. Based on the relationship demonstrated between sheep body constitution and productive type (dairy, meat) and the polymorphism of the <italic>SCD</italic> gene, further research is needed. The correlation between c.*1116A>G polymorphism and growth rate, slaughter and carcass value as well as meat quality of lambs needs to be studied in more detail. Such studies may lead to more effective selection processes in sheep breeding in the future.</p></abstract>

The present study was undertaken to analyse the genetic variation in coding sequences, splicing sites and regulatory sequences of FABP4, PPARγ and SCD genes in five breeds of sheep raised in Poland with different purposes: meat (Suffolk, Ile de France), dairy/prolific (Olkuska sheep, Kołuda) and primitive breeds (Polish Mountain Sheep). To identify genetic variability HRM-PCR, sequencing and PCR-RFLP method were used. Determining the genetic structure of the mentioned genes revealed six SNPs: FABP4 – c.73 + 13A>T and c.348 + 85G>A, PPARγ – c.391 – 66C>T (c.481 – 66C>T) and c.529 + 27G>C (c.619 + 27G>C), SCD – c.*945G>A and c.*1116A>G. For the c.*1116A>G SNP, a potential association with specific sheep body type and breeding purpose was found. In turn, the substitution c.*945G>A located in the regulatory region of the 3'-UTR of the Ovis aries SCD gene was identified for the first time. Based on the relationship demonstrated between sheep body constitution and productive type (dairy, meat) and the polymorphism of the SCD gene, further research is needed. The correlation between c.*1116A>G polymorphism and growth rate, slaughter and carcass value as well as meat quality of lambs needs to be studied in more detail. Such studies may lead to more effective selection processes in sheep breeding in the future.

Genetic Variability in the <italic>Loci</italic> of <italic>FABP4</italic>, <italic>PPARγ</italic> and <italic>SCD</italic> Genes of Sheep Breeds Raised for Different Purposes

Department of Animal Molecular Biology, National Research Institute of Animal Production

Annals of Animal Science

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Genetic Variability in the  of ,  and  Genes of Sheep Breeds Raised for Different Purposes

The present study was undertaken to analyse the genetic variation in coding sequences, splicing sites and regulatory sequences of FABP4, PPARγ and SCD genes in...

Genetic Variability in the Loci of FABP4, PPARγ and SCD Genes of Sheep Breeds Raised for Different Purposes

Published Online: Oct 30, 2019

Page range: 937 - 954

Received: Dec 05, 2018

Accepted: Apr 26, 2019

DOI: https://doi.org/10.2478/aoas-2019-0033

Keywords
polymorphism, sheep

© 2019 Mirosław Kucharski et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Genetic Variability in the Loci of FABP4, PPARγ and SCD Genes of Sheep Breeds Raised for Different Purposes

Published Online: Oct 30, 2019

Page range: 937 - 954

Received: Dec 05, 2018

Accepted: Apr 26, 2019

DOI: https://doi.org/10.2478/aoas-2019-0033

Keywordspolymorphism, sheep

© 2019 Mirosław Kucharski et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Keywords
polymorphism, sheep