Abstract
APMAP is single transmembrane arylesterase which plays a cardinal role in adipogenesis. In this experiment, three tissue and blood samples of Rex rabbits at 3 growing periods were selected. The expression levels of APMAP gene in different tissues were detected by real-time fluorescence quantitative PCR and the content of APMAP in the blood was detected by Elisa. The results showed that fat deposition, the expression of APMAP in muscle and the content of APMAP in the blood increased rapidly during the growth of Rex rabbits. The correlation analysis showed that the correlation coefficient between APMAP content in the blood and the expression level of APMAP gene in longissimus lumborum muscle was 0.75(p < 0.05); the correlation coefficients between APMAP content in the blood and intramuscular fat and 24-hour pH were 0.90 (p < 0.01) and 0.75 (p < 0.05), respectively. According to the analysis results, we inferred APMAP content in the blood in Rex rabbits may influence meat quality and the meat quality of high APMAP content in the blood in Rex rabbits is better. These results revealed APMAP content in the blood may be one of the important signs for meat quality traits of molecular markers.
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