Utilizza questo identificativo per citare o creare un link a questo documento: http://hdl.handle.net/2067/47399
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dc.contributor.authorZappaterra, Martinait
dc.contributor.authorGioiosa, Silviait
dc.contributor.authorChillemi, Giovanniit
dc.contributor.authorZambonelli, Paoloit
dc.contributor.authorDavoli, Robertait
dc.date.accessioned2022-03-29T06:32:34Z-
dc.date.available2022-03-29T06:32:34Z-
dc.date.issued2020it
dc.identifier.issn1932-6203it
dc.identifier.urihttp://hdl.handle.net/2067/47399-
dc.description.abstractIntramuscular fat content (IMF) is a complex trait influencing the technological and sensorial features of meat products and determining pork quality. Thus, we aimed at analyzing through RNA-sequencing the Semimembranosus muscle transcriptome of Italian Large White pigs to study the gene networks associated with IMF deposition. Two groups of samples were used; each one was composed of six unrelated pigs with extreme and divergent IMF content (0.67 ± 0.09% in low IMF vs. 6.81 ± 1.17% in high IMF groups) that were chosen from 950 purebred individuals. Paired-end RNA sequences were aligned to Sus scrofa genome assembly 11.1 and gene counts were analyzed using WGCNA and DeSeq2 packages in R environment. Interestingly, among the 58 differentially expressed genes (DEGs), several were related to primary cilia organelles (such as Lebercilin 5 gene), in addition to the genes involved in the regulation of cell differentiation, in the control of RNA-processing, and G-protein and ERK signaling pathways. Together with cilia-related genes, we also found in high IMF pigs an over-expression of the Fibroblast Growth Factor 2 (FGF2) gene, which in other animal species was found to be a regulator of ciliogenesis. Four WGCNA gene modules resulted significantly associated with IMF deposition: grey60 (P = 0.003), darkturquoise (P = 0.022), skyblue1 (P = 0.022), and lavenderblush3 (P = 0.030). The genes in the significant modules confirmed the results obtained for the DEGs, and the analysis with "cytoHubba" indicated genes controlling RNA splicing and cell differentiation as hub genes. Among the complex molecular processes affecting muscle fat depots, genes involved in primary cilia may have an important role, and the transcriptional reprogramming observed in high IMF pigs may be related to an FGF-related molecular cascade and to ciliogenesis, which in the literature have been associated with fibro-adipogenic precursor differentiation.it
dc.format.mediumSTAMPAit
dc.language.isoengit
dc.titleMuscle transcriptome analysis identifies genes involved in ciliogenesis and the molecular cascade associated with intramuscular fat content in Large White heavy pigsit
dc.typearticle*
dc.identifier.doi10.1371/journal.pone.0233372it
dc.identifier.pmid32428048it
dc.identifier.scopus2-s2.0-85084963295it
dc.relation.journalPLOS ONEit
dc.relation.firstpagee0233372it
dc.relation.volume15it
dc.relation.issue5it
dc.subject.scientificsectorAGR/17it
dc.subject.ercsectorLS2_12 Bioinformaticsit
dc.description.internationalnoit
dc.contributor.countryITAit
dc.type.refereeREF_1it
dc.type.miur262*
item.openairetypearticle-
item.openairecristypehttp://purl.org/coar/resource_type/c_18cf-
item.cerifentitytypePublications-
item.grantfulltextrestricted-
item.languageiso639-1en-
item.fulltextWith Fulltext-
crisitem.journal.journalissn1932-6203-
crisitem.journal.anceE192179-
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