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Variation in the ovine WFIKKN2 gene
Jiqing Wang1, Huitong Zhou2, Qian Fang2
1Gansu Key Laboratory of Herbivorous Animal Biotechnology, Faculty of Animal Science and Technology, Gansu Agricultural University, Lanzhou 730070, China.
Gene
|April 8, 2014
Summary
Ovine WFIKKN2 gene exhibits significant polymorphism in intron 1 and the 3' untranslated region. Further research is needed to determine if these genetic variations impact sheep growth and muscle development.
Area of Science:
- Animal Genetics
- Molecular Biology
- Livestock Science
Background:
- The WFIKKN2 gene, identified in humans in 2001, is implicated in muscle growth regulation via interaction with GDF8 and GDF11.
- Previous research on WFIKKN2 function has primarily focused on mouse models, with limited investigation in livestock species.
Purpose of the Study:
- To investigate the genetic polymorphism of the ovine WFIKKN2 gene in two key regions: intron 1 and the 3' untranslated region (3' UTR).
- To identify single nucleotide polymorphisms (SNPs) and sequence variants within these regions of the ovine WFIKKN2 gene.
Main Methods:
- Polymerase Chain Reaction-Single Stranded Conformational Polymorphism (PCR-SSCP) was employed to analyze DNA sequences.
- Sequence analysis was performed on amplified DNA fragments from intron 1 and the 3' UTR of ovine WFIKKN2.
- Genotyping was conducted on 487 sheep across eight different breeds.
Main Results:
- One single nucleotide polymorphism (SNP) was identified in the 3' UTR, resulting in two distinct sequences (a and b).
- Twelve SNPs were detected in intron 1, leading to five different PCR-SSCP patterns (A-E) and identifying variants.
- Variants B and C were the most prevalent in intron 1 across the studied sheep breeds.
Conclusions:
- The ovine WFIKKN2 gene is genetically polymorphic, with identified variations in both intron 1 and the 3' UTR.
- The detected WFIKKN2 sequences show homology with those from other species, confirming their identity as ovine gene variants.
- Further studies are warranted to explore the association between WFIKKN2 gene variations and economically important traits such as growth and muscle development in sheep.
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