Integrated Transcriptomic and Metabolomic Profiling Reveals Candidate Genes and Metabolites Associated with Abdominal Fat Deposition in Pekin Ducks.

Chunyan Yang, Anqi Chen, Shuya Yang, Hao Bai, Yong Jiang, Guobin Chang, Guohong Chen, Zhixiu Wang

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8 authors.

Chunyan YangKey Laboratory for Animal Genetics & Molecular Breeding of Jiangsu Province, College of Animal Science and Technology, Yangzhou University, Yangzhou 225009, China.ORCID 0000-0003-0875-8812

Anqi ChenKey Laboratory for Animal Genetics & Molecular Breeding of Jiangsu Province, College of Animal Science and Technology, Yangzhou University, Yangzhou 225009, China.

Shuya YangKey Laboratory for Animal Genetics & Molecular Breeding of Jiangsu Province, College of Animal Science and Technology, Yangzhou University, Yangzhou 225009, China.

Hao BaiKey Laboratory for Animal Genetics & Molecular Breeding of Jiangsu Province, College of Animal Science and Technology, Yangzhou University, Yangzhou 225009, China.

Yong JiangKey Laboratory for Animal Genetics & Molecular Breeding of Jiangsu Province, College of Animal Science and Technology, Yangzhou University, Yangzhou 225009, China.

Guobin ChangKey Laboratory for Animal Genetics & Molecular Breeding of Jiangsu Province, College of Animal Science and Technology, Yangzhou University, Yangzhou 225009, China.

Guohong ChenKey Laboratory for Animal Genetics & Molecular Breeding of Jiangsu Province, College of Animal Science and Technology, Yangzhou University, Yangzhou 225009, China.

Zhixiu WangKey Laboratory for Animal Genetics & Molecular Breeding of Jiangsu Province, College of Animal Science and Technology, Yangzhou University, Yangzhou 225009, China.

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6 · The paper itself

Abstract

Abdominal fat deposition is an important economic trait in meat ducks, but the molecular mechanisms underlying individual variation in abdominal fat rate remain unclear. In this study, abdominal fat traits were measured in 316 male Pekin ducks, from which six ducks with high abdominal fat rates and six ducks with low abdominal fat rates were selected for transcriptomic and metabolomic analyses of abdominal adipose tissue. Considerable individual variation in abdominal fat rate was observed in the population, providing a phenotypic basis for divergent group selection. Transcriptomic analysis identified 549 differentially expressed genes, including 181 upregulated and 368 downregulated genes in the LF group relative to the HF group. Functional enrichment analysis revealed that these genes were mainly involved in lipid metabolism, fatty acid metabolism, glycerolipid and glycerophospholipid metabolism, triglyceride metabolism, cholesterol metabolism, lipid transport, and the PI3K-Akt signaling pathway. Among the representative candidate genes,

Indexed as

abdominal fat depositionmetabolomicsPekin ducktranscriptomics

Identifiers

PMID42651896

DOI10.3390/ani16162491

PMCPMC13508903

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.