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    Association and expression analysis of porcine HNF1A gene related to meat and carcass quality traits
    (Elsevier Sci Ltd, 2013) Kayan, Autchara; Uddin, Muhammad Jasim; Kocamis, Hakan; Tesfaye, Dawit; Looft, Christian; Tholen, Ernst; Cinar, Mehmet Ulas
    The aim of this study was to investigate the association and expression of HNF1A gene as a candidate gene for meat and carcass quality traits in pigs. Statistical analysis revealed that the g.8260 A>G polymorphism significantly associated with pH 24(H), meat percentage and muscle area in the F-2 Duroc x Pietrain (DuPi, n = 313) and with pH 24(L), fat area and backfat thickness in the Pietrain (Pi, n = 110) population. HNF1A mRNA and protein expressions were higher (p < 0.05) in animals with the low post-mortem muscle pH 24(L). The promoter methylation profiling suggested that methylation was not involved on HNF1A expression regulation (p > 0.05) in animal with divergent muscle pH. In conclusion, polymorphism in porcine HNF1A gene could be used as a candidate marker to improve the meat and carcass quality traits, with the consideration of breed-specific effect. (C) 2013 Elsevier Ltd. All rights reserved.