比较转录组学和蛋白质组学分析为迪庆大型藏猪肌肉生长的关键基因提供了见解

IF 1.2 4区 农林科学 Q3 AGRICULTURE, DAIRY & ANIMAL SCIENCE
Jingru Nie, Bo Zhang, Li Ma, Dawei Yan, Hao Zhang, Ying Bai, Shiyi Liu, Xinxing Dong
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引用次数: 0

摘要

猪的生长涉及多种基因和协调的调控机制。迪庆大藏猪是中国特有的高原生猪品种。关于TPs中肌肉生长和发育机制的数据有限,其转录调控机制尚不清楚。这项研究确定了与TPs肌肉生长有关的重要基因和蛋白质。我们通过RNA-seq和等压标签分别获得了TPs和杜洛克猪(DPs)背最长肌组织的转录组学和蛋白质组学数据,用于相对定量和绝对定量分析。TPs和DPs的比较分析得到557个差异表达基因(DEGs)和56个差异丰富蛋白(DAPs)。这些DEGs和DAPs的功能注释富集在代谢过程、代谢途径、细胞骨架蛋白结合、AMPK信号通路、胰岛素信号通路、PPAR信号通路等相关途径中。10个基因被鉴定为关键的候选调节因子(FASN、PPARG、PCK1、ACTA2、TXN、SNU13、APOA1、ATP8、ALDH2和IGFN1),它们可能在TPs的肌肉生长性状中发挥重要作用。本研究为分析猪肌肉生长的遗传调控机制,通过分子标记辅助选择提高TPs肉产量提供参考。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Comparative transcriptomic and proteomic analyses provide insights into the key genes involved in muscle growth in the large Diqing Tibetan pig
Pig growth involves multiple genes and coordinated regulatory mechanisms. The large Diqing Tibetan pigs (TPs) are a unique plateau pig breed in China. Data on the mechanisms of muscle growth and development in TPs are limited, and its transcriptional regulation mechanism remains unclear. This study identifies important genes and proteins involved in muscle growth in TPs. We obtained transcriptomic and proteomic data from the longissimus dorsi muscle tissues of TPs and Duroc pigs (DPs) via RNA-seq and isobaric tags for relative and absolute quantitation analyses, respectively. Comparative analyses of TPs and DPs yielded 557 differentially expressed genes (DEGs) and 56 differentially abundant proteins (DAPs). Functional annotation of these DEGs and DAPs was enriched in metabolic processes, metabolic pathways, cytoskeletal protein binding, AMPK signaling pathway, insulin signaling pathway, PPAR signaling pathway, and other related pathways. Ten genes were identified as key candidate regulators ( FASN, PPARG, PCK1, ACTA2, TXN, SNU13, APOA1, ATP8, ALDH2, and IGFN1) that may play important roles in the muscle growth traits of TPs. This study provides a reference for analyzing the genetic regulation mechanism underlying muscle growth in pigs and improving the meat yield of TPs via molecular marker-assisted selection.
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来源期刊
Canadian Journal of Animal Science
Canadian Journal of Animal Science 农林科学-奶制品与动物科学
CiteScore
2.30
自引率
0.00%
发文量
51
审稿时长
6 months
期刊介绍: Published since 1957, this quarterly journal contains new research on all aspects of animal agriculture and animal products, including breeding and genetics; cellular and molecular biology; growth and development; meat science; modelling animal systems; physiology and endocrinology; ruminant nutrition; non-ruminant nutrition; and welfare, behaviour, and management. It also publishes reviews, letters to the editor, abstracts of technical papers presented at the annual meeting of the Canadian Society of Animal Science, and occasionally conference proceedings.
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