Analysis of Transcriptomic Differences in the Ovaries of High- and Low-Laying Ducks

文献类型： 外文期刊

第一作者： Chang, Yuguang

作者： Chang, Yuguang;Zeng, Tao;Sun, Hanxue;Tian, Yong;Cao, Yongqing;Xu, Ligen;Duan, Mingcai;Lu, Lizhi;Chen, Li;Guo, Rongbing;Han, Xue

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关键词： duck; ovary; RNA-seq; egg production

期刊名称：GENES （ 影响因子：3.5； 五年影响因子：3.9 ）

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年卷期： 2024 年 15 卷 2 期

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收录情况： SCI

摘要： The egg-laying performance of Shan Ma ducks (Anas Platyrhynchos) is a crucial economic trait. Nevertheless, limited research has been conducted on the egg-laying performance of this species. We examined routine blood indicators and observed higher levels of metabolic and immune-related factors in the high-egg-production group compared with the low-egg-production group. Furthermore, we explored the ovarian transcriptome of both high- and low-egg-production groups of Shan Ma ducks using Illumina NovaSeq 6000 sequencing. A total of 1357 differentially expressed genes (DEGs) were identified, with 686 down-regulated and 671 up-regulated in the high-egg-production (HEP) ducks and low-egg-production (LEP) ducks. Several genes involved in the regulation of ovarian development, including neuropeptide Y (NPY), cell cycle protein-dependent kinase 1 (CDK1), and transcription factor 1 (E2F1), exhibited significant differential expressions at varying stages of egg production. Pathway functional analysis revealed that the DEGs were primarily associated with the steroid biosynthesis pathway, and the neuroactive ligand-receptor interaction pathway exhibited higher activity in the HEP group compared to the LEP group. This study offers valuable information about and novel insights into high egg production.

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