A Comparative Analysis of Metabolic Profiles of Embryonic Skeletal Muscle from Lantang and Landrace Pigs
Elucidation of the complex regulation of porcine muscle development is key to increasing pork output and improving pork quality. However, the molecular mechanisms involved in early porcine embryonic muscle development in different pig breeds remain largely unknown. Here, GC–MS based metabolomics and...
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MDPI AG
2022-02-01
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| author | Shufang Cai Tianqi Duo Xiaoyu Wang Xian Tong Chenglong Luo Yaosheng Chen Jianhao Li Delin Mo |
| author_facet | Shufang Cai Tianqi Duo Xiaoyu Wang Xian Tong Chenglong Luo Yaosheng Chen Jianhao Li Delin Mo |
| author_sort | Shufang Cai |
| collection | DOAJ |
| description | Elucidation of the complex regulation of porcine muscle development is key to increasing pork output and improving pork quality. However, the molecular mechanisms involved in early porcine embryonic muscle development in different pig breeds remain largely unknown. Here, GC–MS based metabolomics and metabolomic profiling was used to examine the <i>longissimus lumborum</i> (<i>LL</i>) of the Lantang (LT) and the Landrace (LR) pig at embryonic day 35 (E35). Metabolites showed clear separation between LT and LR, with 40 metabolites having higher abundances in LT and 14 metabolites having lower abundances in LT compared with LR. In addition, these metabolic changes were mainly associated with nucleotide metabolism and energy metabolism, such as purine metabolism, pyrimidine metabolism, the pentose phosphate pathway, and the TCA cycle. More interestingly, the contents of DNA, RNA, and ATP per unit mass of <i>LL</i> tissues were higher in LT, indicating rapid synthesis of nucleic acids and ATP, to meet both the material and energy requirements of rapid cell proliferation and differentiation. Furthermore, enzyme activity associated with the TCA cycle and pentose phosphate pathway, including α-ketoglutaric dehydrogenase (KGDH), malate dehydrogenase (MDH), pyruvate dehydrogenase (PDH), succinate dehydrogenase (SDH), and glucose-6-phosphate dehydrogenase (G6PDH), were higher in LT. Based on these results, we conclude that there are significant differences in nucleotide metabolism and energy metabolism of <i>LL</i> between LT and LR, and we speculate that the enhanced nucleic acid metabolism and energy metabolism in LT can meet the material and energy requirements of rapid cell proliferation and differentiation, making myogenesis more intense in LT compared to LR which might be the metabolic mechanism underlying the distinct skeletal muscle development in the two breeds. |
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| spelling | doaj.art-0f76c17e1d834711a71df375a99b9ce92023-11-23T18:24:48ZengMDPI AGAnimals2076-26152022-02-0112442010.3390/ani12040420A Comparative Analysis of Metabolic Profiles of Embryonic Skeletal Muscle from Lantang and Landrace PigsShufang Cai0Tianqi Duo1Xiaoyu Wang2Xian Tong3Chenglong Luo4Yaosheng Chen5Jianhao Li6Delin Mo7State Key Laboratory of Livestock and Poultry Breeding & Guangdong Public Laboratory of Animal Breeding and Nutrition & Guangdong Key Laboratory of Animal Breeding and Nutrition, Institute of Animal Science, Guangdong Academy of Agricultural Sciences, Guangzhou 510640, ChinaState Key Laboratory of Biocontrol, School of Life Sciences, Sun Yat-Sen University, Guangzhou 510006, ChinaState Key Laboratory of Biocontrol, School of Life Sciences, Sun Yat-Sen University, Guangzhou 510006, ChinaState Key Laboratory of Biocontrol, School of Life Sciences, Sun Yat-Sen University, Guangzhou 510006, ChinaState Key Laboratory of Livestock and Poultry Breeding & Guangdong Public Laboratory of Animal Breeding and Nutrition & Guangdong Key Laboratory of Animal Breeding and Nutrition, Institute of Animal Science, Guangdong Academy of Agricultural Sciences, Guangzhou 510640, ChinaState Key Laboratory of Biocontrol, School of Life Sciences, Sun Yat-Sen University, Guangzhou 510006, ChinaState Key Laboratory of Livestock and Poultry Breeding & Guangdong Public Laboratory of Animal Breeding and Nutrition & Guangdong Key Laboratory of Animal Breeding and Nutrition, Institute of Animal Science, Guangdong Academy of Agricultural Sciences, Guangzhou 510640, ChinaState Key Laboratory of Biocontrol, School of Life Sciences, Sun Yat-Sen University, Guangzhou 510006, ChinaElucidation of the complex regulation of porcine muscle development is key to increasing pork output and improving pork quality. However, the molecular mechanisms involved in early porcine embryonic muscle development in different pig breeds remain largely unknown. Here, GC–MS based metabolomics and metabolomic profiling was used to examine the <i>longissimus lumborum</i> (<i>LL</i>) of the Lantang (LT) and the Landrace (LR) pig at embryonic day 35 (E35). Metabolites showed clear separation between LT and LR, with 40 metabolites having higher abundances in LT and 14 metabolites having lower abundances in LT compared with LR. In addition, these metabolic changes were mainly associated with nucleotide metabolism and energy metabolism, such as purine metabolism, pyrimidine metabolism, the pentose phosphate pathway, and the TCA cycle. More interestingly, the contents of DNA, RNA, and ATP per unit mass of <i>LL</i> tissues were higher in LT, indicating rapid synthesis of nucleic acids and ATP, to meet both the material and energy requirements of rapid cell proliferation and differentiation. Furthermore, enzyme activity associated with the TCA cycle and pentose phosphate pathway, including α-ketoglutaric dehydrogenase (KGDH), malate dehydrogenase (MDH), pyruvate dehydrogenase (PDH), succinate dehydrogenase (SDH), and glucose-6-phosphate dehydrogenase (G6PDH), were higher in LT. Based on these results, we conclude that there are significant differences in nucleotide metabolism and energy metabolism of <i>LL</i> between LT and LR, and we speculate that the enhanced nucleic acid metabolism and energy metabolism in LT can meet the material and energy requirements of rapid cell proliferation and differentiation, making myogenesis more intense in LT compared to LR which might be the metabolic mechanism underlying the distinct skeletal muscle development in the two breeds.https://www.mdpi.com/2076-2615/12/4/420pigGC–MSskeletal muscleTCA cyclenucleotide metabolismenergy metabolism |
| spellingShingle | Shufang Cai Tianqi Duo Xiaoyu Wang Xian Tong Chenglong Luo Yaosheng Chen Jianhao Li Delin Mo A Comparative Analysis of Metabolic Profiles of Embryonic Skeletal Muscle from Lantang and Landrace Pigs Animals pig GC–MS skeletal muscle TCA cycle nucleotide metabolism energy metabolism |
| title | A Comparative Analysis of Metabolic Profiles of Embryonic Skeletal Muscle from Lantang and Landrace Pigs |
| title_full | A Comparative Analysis of Metabolic Profiles of Embryonic Skeletal Muscle from Lantang and Landrace Pigs |
| title_fullStr | A Comparative Analysis of Metabolic Profiles of Embryonic Skeletal Muscle from Lantang and Landrace Pigs |
| title_full_unstemmed | A Comparative Analysis of Metabolic Profiles of Embryonic Skeletal Muscle from Lantang and Landrace Pigs |
| title_short | A Comparative Analysis of Metabolic Profiles of Embryonic Skeletal Muscle from Lantang and Landrace Pigs |
| title_sort | comparative analysis of metabolic profiles of embryonic skeletal muscle from lantang and landrace pigs |
| topic | pig GC–MS skeletal muscle TCA cycle nucleotide metabolism energy metabolism |
| url | https://www.mdpi.com/2076-2615/12/4/420 |
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