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Transcriptome profiling analysis of uterus during chicken laying periods
Tiantian Sun1, Cong Xiao1, Zhuliang Yang1
1College of Animal Science and Technology, Guangxi University, Nanning, 530004, China.
BMC Genomics
|August 3, 2023
Summary
Researchers identified key genes crucial for maintaining chicken uterine function and eggshell quality. This study enhances understanding of the extracellular matrix and collagen
Area of Science:
- Reproductive Biology
- Genomics
- Animal Science
Background:
- Avian eggshell formation occurs in the uterus, making uterine function critical for eggshell quality.
- Understanding the genetic basis of uterine functional maintenance is essential for poultry production.
Purpose of the Study:
- To identify critical genes involved in maintaining uterine function in chickens across different ages.
- To elucidate the molecular mechanisms underlying uterine functional maintenance and its impact on eggshell quality.
Main Methods:
- RNA sequencing and bioinformatics analysis were performed on chicken uteri from three age groups (22W, 31W, 51W).
- Differential gene expression analysis, Gene Ontology (GO), Kyoto Encyclopedia of Genes and Genomes (KEGG) pathway analysis, and protein-protein interaction (PPI) analysis were conducted.
Main Results:
- A significant number of differentially expressed genes (DEGs) were identified between age groups.
- Enrichment analysis revealed DEGs were significantly associated with extracellular matrix (ECM) components and ECM-receptor interactions.
- Key candidate genes, including FN1, LOX, COL1A1, and SPP1, were highlighted for their potential roles in uterine functional maintenance.
Conclusions:
- This study identified dominant genes and pathways essential for chicken uterine functional maintenance.
- Findings provide novel insights into the molecular regulation of uterine function impacting eggshell quality in poultry.
