Differential expression of mRNA-miRNAs related to intramuscular fat content in the longissimus dorsi in Xinjiang brown cattle
文献类型： 外文期刊
作者： Li, Na 1 ; Zhang, Yang 2 ; Li, Hai-Peng 3 ; Han, Ling 1 ; Yan, Xiang-Min 2 ; Li, Hong-Bo 2 ; Du, Wei 2 ; Zhang, Jin-Shan; 1 ;
作者机构： 1.Gansu Agr Univ, Dept Food Sci & Engn, Lanzhou, Gansu, Peoples R China
2.Xinjiang Acad Anim Sci, Dept Res Livestock, Urumqi, Xinjiang, Peoples R China
3.Chinese Acad Agr Sci, Dept Anim Sci, Beijing, Peoples R China
期刊名称：PLOS ONE （ 影响因子：3.24； 五年影响因子：3.788 ）
ISSN： 1932-6203
年卷期： 2018 年 13 卷 11 期
页码：
收录情况： SCI
摘要： In this study, we examined the role of mRNAs and miRNAs in variations in intramuscular fat content in the longissimus dorsi muscle in Xinjiang brown cattle. Two groups of Xinjiang brown cattle with extremely different intramuscular fat content in the longissimus dorsi were selected for combined of miRNA and mRNA analysis using an RNA-Seq. In total, 296 mRNAs and 362 miRNAs were significantly differentially expressed, including 155 newly predicted miRNAs, 275 significantly upregulated genes, 252 significantly upregulated miRNAs, 21 significantly downregulated genes and 110 significantly downregulated miRNAs. The combined miRNA and mRNA analysis identified 96 differentially expressed miRNAs and 27 differentially expressed mRNAs. In all, 47 upregulated miRNAs had a regulatory effect on 14 differentially downregulated target genes, and 49 downregulated miRNAs had a regulatory effect on 13 upregulated target genes. To verify the sequencing results, 10 differentially expressed genes (DEGs) and 10 differentially expressed miRNAs were selected for qRT-PCR. The qRT-PCR results confirmed the sequencing results. The results of this study shed light on the molecular regulation of bovine adipose tissue, which might help with the development of new strategies for improving meat quality and animal productivity in beef cattle to provide healthier meat products for consumers.
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