scholarly journals Associations of Single Nucleotide Polymorphisms in the Bovine <i>FADS</i>6 Gene with Fatty Acid Composition in Hanwoo (Korean Cattle)

2015 ◽  
Vol 05 (04) ◽  
pp. 137-144
Author(s):  
Krishnamoorthy Srikanth ◽  
Anam Kwan ◽  
Eunjin Lee ◽  
Seonkwan Kim ◽  
Youngjo Lim ◽  
...  
2019 ◽  
Vol 12 (7) ◽  
pp. 1160-1166
Author(s):  
Amalia Puji Rahayu ◽  
Tety Hartatik ◽  
Agung Purnomoadi ◽  
Edy Kurnianto

Aim: The study aimed to identify fatty acid synthase (FASN), LOC514211, and fat mass and obesity-associated (FTO) gene polymorphisms and to investigate their associations with milk traits in an Indonesian-Holstein dairy cow population. Materials and Methods: A total of 100 Indonesian-Holstein cows consisting of 50 heads (0th generation; G0) and 50 heads of their daughters (1st generation; G1) were used. Polymerase chain reaction-restriction fragment length polymorphism was performed to genotype three single nucleotide polymorphisms: rs41919985 in the FASN gene, rs42688595 in the LOC514211 gene, and g.1371T>A in the FTO gene. Results: FASN rs41919985 was associated with milk protein percentage (p<0.05), FTO g.1371T>A was associated with milk fat percentage (p<0.05), and LOC514211 rs42688595 was not associated with any trait (p>0.05). Heterozygote variants showed a higher protein percentage for FASN and the highest fat percentage for FTO. These associations were consistent in the G0 and G1 populations. Conclusion: Our results indicate that the milk protein and fat percentages can be improved by increasing the frequency of the AG genotype of FASN and the AT genotype of FTO, respectively.


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