V579 Rendement Napole Gene (RN)
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The gene PRGAK3 is associated with muscle glycogen content and meat quality. In pigs, a variant of this gene is known as the Rendement Napole (RN) gen or allele.
Carriers of this dominant mutation show lower muscle pH 24 hr after slaughter, reduced water-holding capacity in the muscle, and much lower yield of a cured cooked ham product due to an increase in muscle glycogen content. Carriers, on the other hand, have meat that is easier to cut, with a stronger taste and smell and greater acidity.
Specifications
Chromosome: 15
Gene: PRKAG3
Mode of Inheritance: Autosomal Dominant
Also known as: RN
Organ: Muscles
Sub-organ: Whole muscular system
Species:Pigs
Year published: 2000
Clinical Features
The change of amino acid at this location on the PRKAG3 gene is involved in glucose metabolism and therefore the muscle glycogen content.
Additional information
Meat quality is based on many factors. It is influenced by postmortem tenderization, which is a complex structural and functional process that depends on species, genetic background, metabolic status of the animal antemortem, the protein complement of the muscle, and environmental factors.
References
Omia: 1085
Pubmed: 10818001
