Please use this identifier to cite or link to this item: https://hdl.handle.net/1959.11/17709
Title: Genome-wide association study identifies three loci for intramuscular fat in Hanwoo (Korean cattle)
Contributor(s): Lee, S H (author); Choi, B H (author); Jang, S S (author); Lee, H K (author); Kang, H S (author); Yang, B S (author); Cho, S H (author); Lim, D (author); Choi, T J (author); Park, B H (author); Lee, J H (author); Gondro, Cedric  (author)orcid ; Sharma, A (author); Dang, C G (author)
Publication Date: 2014
DOI: 10.1016/j.livsci.2014.04.006
Handle Link: https://hdl.handle.net/1959.11/17709
Abstract: This study identified 59 SNPs significantly (P<0.001) associated with IMF using a genome-wide SNP panel, validating three SNPs using a validation dataset. The largest numbers (9 SNPs, 15% of the total significantly associated SNPs) of SNPs significantly associated with IMF were in BTA1. Of these, five were located between BTA1:22-27. Mb and three were between BTA1:82-85. Mb. The significantly associated SNPs accounted for only 3-5% of additive genetic variance. In the validation dataset, 3 SNPs (Hapmap54608-rs29020417, ARS-BFGL-NGS-5976 and Hapmap47624-BTA-44484) that showed an association with IMF in the single-point GWAS were significantly, positively associated with percent IMF (favorable alleles). One SNP (ARS-BFGL-NGS-29493) was significantly negatively associated (unfavorable allele). This study found that, in Hanwoo cattle, three loci were associated with IMF using GWAS and a validation dataset. The 3 SNPs explain 5.4% of phenotypic variation for IMF in Hanwoo commercial steers. In conclusion, IMF had a high heritability (0.5) but was expected to be affected by many loci with small effects.
Publication Type: Journal Article
Source of Publication: Livestock Science, v.165, p. 27-32
Publisher: Elsevier BV
Place of Publication: The Netherlands
ISSN: 1871-1413
Field of Research (FOR): 070201 Animal Breeding
Socio-Economic Outcome Codes: 970106 Expanding Knowledge in the Biological Sciences
830301 Beef Cattle
Peer Reviewed: Yes
HERDC Category Description: C1 Refereed Article in a Scholarly Journal
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