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Transcriptome profiling of longissimus dorsi during different prenatal stages to identify genes involved in intramuscular fat deposition in lean and obese pig breeds

文献类型： 外文期刊

作者： Chen, Jun Feng 1 ; Wang, Jing 1 ; Chai, Jin 2 ; Jin, Wei 1 ; Ren, Qiao Ling 1 ; Ma, Qiang 1 ; Lu, Qing Xia 1 ; Sun, Jia Jie 4 ; Mo, De Lin 5 ; Zhang, Jia Qing 1 ; Xing, Bao Song 1 ;

作者机构： 1.Henan Acad Agr Sci, Henan Key Lab Farm Anim Breeding & Nutr Regulat, Inst Anim Husb & Vet Sci, Huayuan Rd 116, Zhengzhou 450002, Henan, Peoples R China

2.Huazhong Agr Univ, Agr Minist Key Lab Swine Breeding & Genet, Minist Educ, Wuhan 430070, Peoples R China

3.Huazhong Agr Univ, Key Lab Agr Anim Genet Breeding & Reprod, Minist Educ, Wuhan 430070, Peoples R China

4.South China Agr Univ, Coll Anim Sci, Natl Engn Res Ctr Breeding Swine Ind, Guangdong Prov Key Lab Agroanim Genom & Mol Breedi, Guangzhou, Guangdong, Peoples R China

5.Sun Yat Sen Univ, Sch Life Sci, State Key Lab Biocontrol, Guangzhou, Guangdong, Peoples R China

关键词： Transcriptome; Muscle development; Meat quality trait; Pig; Different embryonic stages

期刊名称：MOLECULAR BIOLOGY REPORTS （ 影响因子：2.8； 五年影响因子：2.7 ）

ISSN： 0301-4851

年卷期： 2024 年 51 卷 1 期

页码：

收录情况： SCI

摘要： BackgroundThere was significant difference in muscle development between fat-type and lean-type pig breeds.Methods and resultsIn current study, transcriptome analysis and bioinformatics analysis were used to compare the difference in longissimus dorsi (LD) muscle at three time-points (38 days post coitus (dpc), 58 dpc, and 78 dpc ) between Huainan (HN) and Large white (LW) pig breeds. A total of 24500 transcripts were obtained in 18 samples, and 2319, 2799, and 3713 differently expressed genes (DEGs) were identified between these two breeds at 38 dpc, 58 dpc, and 78 dpc, respectively. And the number and foldchange of DEGs were increased, the alternative splice also increased. The cluster analysis of DEGs indicated the embryonic development progress of LD muscle between these two breeds was different. There were 539 shared DEGs between HN and LW at three stages, and the top-shared DEGs were associated with muscle development and lipid deposition, such as KLF4, NR4A1, HSP70, ZBTB16 and so on.ConclusionsThe results showed DEGs between Huainan (HN) and Large white (LW) pig breeds, and contributed to the understanding the muscle development difference between HN and LW, and provided basic materials for improvement of meat quality.

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