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http://dx.doi.org/10.5851/kosfa.2011.31.3.356

Porcine Fatty Acid Synthase Gene Polymorphisms Are Associated with Meat Quality and Fatty Acid Composition  

Kim, Sang-Wook (Department of Animal Science, Chungbuk National University)
Choi, Yang-Il (Department of Animal Science, Chungbuk National University)
Choi, Jung-Suck (Department of Animal Science, Chungbuk National University)
Kim, Jong-Joo (School of Biotechnology, Yeungnam University)
Choi, Bong-Hwan (Division of Animal Genomics and Bioinformatics, National Institute of Animal Science)
Kim, Tae-Hun (Division of Animal Genomics and Bioinformatics, National Institute of Animal Science)
Kim, Kwan-Suk (Department of Animal Science, Chungbuk National University)
Publication Information
Food Science of Animal Resources / v.31, no.3, 2011 , pp. 356-365 More about this Journal
Abstract
We assessed the effects of single-nucleotide polymorphisms (SNPs) within the porcine fatty acid synthase (FASN) gene regarding meat quality and fatty acid composition in two pig populations: Korean native pigs (KNP) were crossed with Yorkshire (YS) $F_2$, and KNP were crossed with Landrace (LR) $F_2$. Direct DNA sequencing using eight KNP and eight YS pigs revealed two SNPs: c.265C>T (silent) in exon 4 and c.6545A>C (Asn${\rightarrow}$His) in exon 39. The frequency of the two SNPs was analyzed using the polymerase chain reaction-restriction fragment length polymorphism method in seven pig breeds and their association with meat quality traits and fatty acid composition was studied. In the $KNP{\times}YSF_2$ population, both SNPs were significantly associated with the level of monounsaturated fatty acids, including palmitoleic (C16:1) and oleic acid (C18:1) (p<0.005). c.6545A>C was associated with intramuscular fat content in both populations. Our results indicate that variations in c.265C>T and c.6545A>C of the pig FASN can be used to select animals with better fatty acid composition and meat quality. Moreover, KNP was a useful breed for identifying genetic factors affecting meat quality and fatty acid composition and for producing high quality pork.
Keywords
fatty acid synthase; single nucleotide polymorphisms; meat quality; fatty acid composition; pig;
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Times Cited By KSCI : 8  (Citation Analysis)
Times Cited By Web Of Science : 1  (Related Records In Web of Science)
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