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RNA-Seq Reveals Pathways Responsible for Meat Quality Characteristic Differences between Two Yunnan Indigenous Chicken Breeds and Commercial Broilers

文献类型： 外文期刊

作者： Liu, Yong 1 ; Zhang, Xia 2 ; Wang, Kun 2 ; Li, Qihua 2 ; Yan, Shixiong 1 ; Shi, Hongmei 1 ; Liu, Lixian 2 ; Liang, Shuangmin 6 ; Yang, Min 2 ; Su, Zhengchang 7 ; Ge, Changrong 2 ; Jia, Junjing 2 ; Xu, Zhiqiang 6 ; Dou, Tengfei 2 ;

作者机构： 1.Yunnan Open Univ, Yunnan Rural Revitalizat Educ Inst, Kunming 650101, Peoples R China

2.Yunnan Agr Univ, Coll Anim Sci & Technol, Kunming 650201, Peoples R China

3.Chinese Acad Agr Sci, Guangxi Bufialo Res Inst, Key Lab Buffalo Genet Breeding & Reprod Technol, Nanning 530001, Peoples R China

4.Lvliang Univ, Sch Biol & Food Engn, Lvliang 033000, Peoples R China

5.Chuxiong Normal Univ, Inst Sci & Technol, Chuxiong 675000, Peoples R China

6.Yunnan Agr Univ, Coll Food Sci & Technol, Kunming 650201, Peoples R China

7.Univ N Carolina, Coll Comp & Informat, Dept Bioinformat & Genom, Charlotte, NC 28223 USA

关键词： chicken; meat quality characteristics; RNA-Seq; differentially expressed genes; fat metabolism

期刊名称：FOODS （ 影响因子：4.7； 五年影响因子：5.1 ）

ISSN：

年卷期： 2024 年 13 卷 13 期

页码：

收录情况： SCI

摘要： Poultry is a source of meat that is in great demand in the world. The quality of meat is an imperative point for shoppers. To explore the genes controlling meat quality characteristics, the growth and meat quality traits and muscle transcriptome of two indigenous Yunnan chicken breeds, Wuding chickens (WDs) and Daweishan mini chickens (MCs), were compared with Cobb broilers (CBs). The growth and meat quality characteristics of these two indigenous breeds were found to differ from CB. In particular, the crude fat (CF), inosine monophosphate content, amino acid (AA), and total fatty acid (TFA) content of WDs were significantly higher than those of CBs and MCs. In addition, it was found that MC pectoralis had 420 differentially expressed genes (DEGs) relative to CBs, and WDs had 217 DEGs relative to CBs. Among them, 105 DEGs were shared. The results of 10 selected genes were also confirmed by qPCR. The differentially expressed genes were six enriched Kyoto Encyclopedia of Genes and Genomes (KEGG) biological pathways including lysosomes, phagosomes, PPAR signaling pathways, cell adhesion molecules, cytokine-cytokine receptor interaction, and phagosome sphingolipid metabolism. Interestingly, four genes (LPL, GK, SCD, and FABP7) in the PPAR signal pathway related to fatty acid (FA) metabolism were elevated in WD muscles, which may account for higher CF, inosine monophosphate content, and AA and FA contents, key factors affecting meat quality. This work laid the foundation for improving the meat quality of Yunnan indigenous chickens, especially WD. In future molecular breeding, the genes in this study can be used as molecular screening markers and applied to the molecular breeding of chicken quality characteristics.

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