Genes and pathways associated with pregnancy loss in dairy cattle

Abstract Pregnancy loss directly impairs reproductive performance in dairy cattle. Here, we investigated genetic factors associated with pregnancy loss following detection of a viable embryo around 42 days of gestation. The objectives of this study were to perform whole-genome scans and subsequent g...

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Autores principales: Anil Sigdel, Rafael S. Bisinotto, Francisco Peñagaricano
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Lenguaje:EN
Publicado: Nature Portfolio 2021
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spelling oai:doaj.org-article:4759892c5d264c1588442fe09bfaa00e2021-12-02T16:07:03ZGenes and pathways associated with pregnancy loss in dairy cattle10.1038/s41598-021-92525-02045-2322https://doaj.org/article/4759892c5d264c1588442fe09bfaa00e2021-06-01T00:00:00Zhttps://doi.org/10.1038/s41598-021-92525-0https://doaj.org/toc/2045-2322Abstract Pregnancy loss directly impairs reproductive performance in dairy cattle. Here, we investigated genetic factors associated with pregnancy loss following detection of a viable embryo around 42 days of gestation. The objectives of this study were to perform whole-genome scans and subsequent gene-set analyses for identifying candidate genes, functional gene-sets and gene signaling pathways implicated in pregnancy loss in US Holstein cows. Data consisted of about 58,000 pregnancy/abortion records distributed over nulliparous, primiparous, and multiparous cows. Threshold models were used to assess the binary response of pregnancy loss. Whole‐genome scans identified at least seven genomic regions on BTA2, BTA10, BTA14, BTA16, BTA21, BTA24 and BTA29 associated with pregnancy loss in heifers and lactating cows. These regions harbor several candidate genes that are directly implicated in pregnancy maintenance and fetal growth, such as CHST14, IGF1R, IGF2, PSEN2, SLC2A5 and WNT4. Moreover, the enrichment analysis revealed at least seven significantly enriched processes, containing genes associated with pregnancy loss, including calcium signaling, cell–cell attachment, cellular proliferation, fetal development, immunity, membrane permeability, and steroid metabolism. Additionally, the pathway analysis revealed a number of significant gene signaling pathways that regulate placental development and fetal growth, including Wnt, Hedgehog, Notch, MAPK, Hippo, mTOR and TGFβ pathways. Overall, our findings contribute to a better understanding of the genetic and biological basis of pregnancy loss in dairy cattle and points out novel strategies for improving pregnancy maintenance via marker‐assisted breeding.Anil SigdelRafael S. BisinottoFrancisco PeñagaricanoNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 11, Iss 1, Pp 1-11 (2021)
institution DOAJ
collection DOAJ
language EN
topic Medicine
R
Science
Q
spellingShingle Medicine
R
Science
Q
Anil Sigdel
Rafael S. Bisinotto
Francisco Peñagaricano
Genes and pathways associated with pregnancy loss in dairy cattle
description Abstract Pregnancy loss directly impairs reproductive performance in dairy cattle. Here, we investigated genetic factors associated with pregnancy loss following detection of a viable embryo around 42 days of gestation. The objectives of this study were to perform whole-genome scans and subsequent gene-set analyses for identifying candidate genes, functional gene-sets and gene signaling pathways implicated in pregnancy loss in US Holstein cows. Data consisted of about 58,000 pregnancy/abortion records distributed over nulliparous, primiparous, and multiparous cows. Threshold models were used to assess the binary response of pregnancy loss. Whole‐genome scans identified at least seven genomic regions on BTA2, BTA10, BTA14, BTA16, BTA21, BTA24 and BTA29 associated with pregnancy loss in heifers and lactating cows. These regions harbor several candidate genes that are directly implicated in pregnancy maintenance and fetal growth, such as CHST14, IGF1R, IGF2, PSEN2, SLC2A5 and WNT4. Moreover, the enrichment analysis revealed at least seven significantly enriched processes, containing genes associated with pregnancy loss, including calcium signaling, cell–cell attachment, cellular proliferation, fetal development, immunity, membrane permeability, and steroid metabolism. Additionally, the pathway analysis revealed a number of significant gene signaling pathways that regulate placental development and fetal growth, including Wnt, Hedgehog, Notch, MAPK, Hippo, mTOR and TGFβ pathways. Overall, our findings contribute to a better understanding of the genetic and biological basis of pregnancy loss in dairy cattle and points out novel strategies for improving pregnancy maintenance via marker‐assisted breeding.
format article
author Anil Sigdel
Rafael S. Bisinotto
Francisco Peñagaricano
author_facet Anil Sigdel
Rafael S. Bisinotto
Francisco Peñagaricano
author_sort Anil Sigdel
title Genes and pathways associated with pregnancy loss in dairy cattle
title_short Genes and pathways associated with pregnancy loss in dairy cattle
title_full Genes and pathways associated with pregnancy loss in dairy cattle
title_fullStr Genes and pathways associated with pregnancy loss in dairy cattle
title_full_unstemmed Genes and pathways associated with pregnancy loss in dairy cattle
title_sort genes and pathways associated with pregnancy loss in dairy cattle
publisher Nature Portfolio
publishDate 2021
url https://doaj.org/article/4759892c5d264c1588442fe09bfaa00e
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AT rafaelsbisinotto genesandpathwaysassociatedwithpregnancylossindairycattle
AT franciscopenagaricano genesandpathwaysassociatedwithpregnancylossindairycattle
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