High-throughput sequencing reveals crucial miRNAs in skeletal muscle development of Bian chicken
Wu, P.;Zhou, K.;Zhang, L.;Li, P.;He, M.;Zhang, X.;Ye, H.;Zhang, Q.;Wei, Q.;Zhang, G.
Description
- Growth performance is significant for chickens. MicroRNAs (miRNAs) have been found to play important roles in the post-transcriptional regulation of skeletal muscle growth. However, the mechanism of miRNAs in this process has not been elucidated. 2. This study involved collecting leg muscle from slow- and fast-growing groups of Bian chicken at 16 weeks of age for high-throughput sequencing. A total of 42 differentially expressed miRNAs (DEMs) were identified. Among them, 22 DEMs were up-regulated and 20 DEMs were down-regulated. 3. Biological process terms, relating to growth, were found by GO enrichment for target genes of DEMs and KEGG pathway analysis of target genes. This revealed some significantly enriched pathways closely related to skeletal muscle development, such as the calcium signalling pathway, ECM-receptor interaction, lysine degradation, apoptosis and tight junctions. Network interaction analysis of DEMs and target genes showed that the top fifty hub genes were targeted by thirteen DEMs. 4. Four important miRNAs (novel_miR_158, novel_miR_144, novel_miR_291, and miR-205a) as well as some other valuable miRNAs, such as gga-miR-214 and gga-miR-3525 were identified. The qPCR results of five DEMs were highly consistent with that of sequencing between the two groups, which proved the reliability of miRNA-seq. 5. The study will help to improve the molecular mechanism of miRNAs in chickens and guide future experiments concerning miRNA function in chicken growth.
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Publication Details
DOI
Publisher
Taylor & Francis
Subfield
Molecular Biology
Field
Biochemistry, Genetics and Molecular Biology
Domain
Life Sciences
Confidence Score
60%
Source
Scholar Data Model
Keywords
BiophysicsBiochemistryMedicineCell BiologyGeneticsFOS: Biological sciencesMolecular Biology59999 Environmental Sciences not elsewhere classifiedFOS: Earth and related environmental sciences39999 Chemical Sciences not elsewhere classifiedFOS: Chemical sciencesEcology69999 Biological Sciences not elsewhere classifiedDevelopmental Biology