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dc.contributor.authorREIS, D. R. de L.
dc.contributor.authorCAMPOS, M. M.
dc.contributor.authorTOMICH, T. R.
dc.contributor.authorMACHADO, F. S.
dc.contributor.authorPEREIRA, L. G. R.
dc.contributor.authorDOMINGUES, R.
dc.contributor.authorFRANCO, A. L.
dc.contributor.authorMARTINS, M. F.
dc.contributor.authorPANETTO, J. C. do C.
dc.contributor.authorSILVA, M. V. G. B.
dc.contributor.authorCARVALHO, W. A.
dc.contributor.authorMACHADO, M. A.
dc.date.accessioned2026-01-27T14:48:51Z-
dc.date.available2026-01-27T14:48:51Z-
dc.date.created2026-01-26
dc.date.issued2025
dc.identifier.citationGenetics and Molecular Biology, v. 48, n. 4, e20250036, 2025.
dc.identifier.urihttp://www.alice.cnptia.embrapa.br/alice/handle/doc/1183891-
dc.descriptionThe selection of high feed efficiency (FE) animals impacts sustainability and profitability of beef and dairy cattle production systems. An approach to investigate the mechanisms of FE involves analyzing gene expression profile in liver. This study used residual feed intake as a metric of FE to select 10 Gir x Holstein crossbred cows (Girolando F1) divided into high (HE) and low (LE) FE groups. Hepatic biopsies were used for differential gene expression investigation using RNA-seq analyses which revealed 20,787 known genes mapped accordingly to the bovine reference genome. The comparison of HE and LE revealed 149 significantly differentially expressed genes (DEG), 41 up-regulated, and 108 down-regulated in the LE group. Among DEG, some stood out as potential candidate genes, including DLK1, CACNG4, SLC2A12, SLC26A4, DUOX2, and DUOXA2. Functional enrichment analyses showed pathways that potentially influence FE, such as the negative regulation of leukocyte migration, regulation of calcium channel activity, negative regulation of cell migration and adhesion, extracellular matrix (ECM) organization, and thyroid hormone synthesis. ECM composition and immune system roles were also highlighted. These results could help understanding the mechanisms related to FE in dairy cattle and the development of selection strategies to improve this trait.
dc.language.isoeng
dc.rightsopenAccess
dc.subjectGado Girolando
dc.subjectRNA-seq
dc.titleGene expression analysis for feed efficiency trait in liver tissue of lactating Girolando cows.
dc.typeArtigo de periódico
dc.subject.thesagroBovino
dc.subject.thesagroAlimentação
dc.subject.thesagroRação
dc.subject.thesagroGado Leiteiro
riaa.ainfo.id1183891
riaa.ainfo.lastupdate2026-01-27
dc.identifier.doihttps://doi.org/10.1590/1678-4685-GMB-2025-0036
dc.contributor.institutionDANIELE RIBEIRO DE LIMA REIS FAZA, CNPGL; MARIANA MAGALHAES CAMPOS, CNPGL; THIERRY RIBEIRO TOMICH, CNPGL; FERNANDA SAMARINI MACHADO, CNPGL; LUIZ GUSTAVO RIBEIRO PEREIRA, CNPGL; ROBERT DOMINGUES, CNPGL; ANA LUIZA FRANCO, UNIVERSIDADE FEDERAL DE JUIZ DE FORA; MARTA FONSECA MARTINS, CNPGL; JOAO CLAUDIO DO CARMO PANETTO, CNPGL; MARCOS VINICIUS GUALBERTO BARBOSA DA SILVA, CNPGL; WANESSA ARAUJO CARVALHO, CNPGL; MARCO ANTONIO MACHADO, CNPGL.
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