Epistatic effects between pairs of the growth hormone secretagogue receptor 1a, growth hormone, growth hormone receptor, non-SMC condensin I complex, subunit G and stearoyl-CoA desaturase genes on carcass, price-related and fatty acid composition traits in Japanese Black cattle

Anim Sci J. 2018 Feb;89(2):273-288. doi: 10.1111/asj.12947. Epub 2017 Nov 20.

Abstract

Growth hormone secretagogue receptor 1a (GHSR1a), growth hormone (GH), growth hormone receptor (GHR), non-SMC condensin I complex, subunit G (NCAPG) and stearoyl-CoA desaturase (SCD), are known to play important roles in growth and lipid metabolisms. Single and epistatic effects of the five genes on carcass, price-related and fatty acid (FA) composition traits were analyzed in a commercial Japanese Black cattle population of Ibaraki Prefecture. A total of 650 steers and 116 heifers for carcass and price-related traits, and 158 steers for FA composition traits were used in this study. Epistatic effects between pairs of the five genes were found in several traits. Alleles showing strain-specific differences in the five genes had significant single and epistatic effects in some traits. The data suggest that a TG-repeat polymorphism of the GHSR1a.5'UTR-(TG)n locus plays a central role in gene-gene epistatic interaction of FA composition traits in the adipose tissue of Japanese Black cattle.

Keywords: NCAPG; GHSR1a/GH/GHR; Japanese Black cattle; carcass and fatty acids traits; epistasis.

MeSH terms

  • 5' Untranslated Regions / genetics*
  • Adipose Tissue / metabolism*
  • Alleles
  • Animals
  • Cattle / genetics*
  • Cattle / metabolism*
  • Cell Cycle Proteins / genetics*
  • Commerce*
  • Epistasis, Genetic / genetics*
  • Fatty Acids / analysis*
  • Female
  • Growth Hormone / genetics*
  • Lipid Metabolism / genetics
  • Male
  • Meat / analysis*
  • Meat / economics*
  • Multifactorial Inheritance / genetics*
  • Receptors, Ghrelin / genetics*
  • Receptors, Somatotropin / genetics*
  • Stearoyl-CoA Desaturase / genetics*

Substances

  • 5' Untranslated Regions
  • Cell Cycle Proteins
  • Fatty Acids
  • Receptors, Ghrelin
  • Receptors, Somatotropin
  • Growth Hormone
  • Stearoyl-CoA Desaturase