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Gene-specific patterns of expression variation across organs and species

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dc.contributor.author Breschi, Alessandra, 1988-
dc.contributor.author Djebali, Sarah
dc.contributor.author Gillis, Jesse
dc.contributor.author Pervouchine, Dmitri D.
dc.contributor.author Dobin, Alexander
dc.contributor.author Davis, Carrie A.
dc.contributor.author Gingeras, Thomas R.
dc.contributor.author Guigó Serra, Roderic
dc.date.accessioned 2016-11-22T16:33:40Z
dc.date.available 2016-11-22T16:33:40Z
dc.date.issued 2016
dc.identifier.citation Breschi A, Djebali S, Gillis J, Pervouchine D, Dobin A, Davis C et al. Gene-specific patterns of expression variation across organs and species. Genome Biology. 2016;17:151. DOI: 10.1186/s13059-016-1008-y
dc.identifier.issn 1474-760X
dc.identifier.uri http://hdl.handle.net/10230/27573
dc.description.abstract Background: A comparison of transcriptional profiles derived from different tissues in a given species or among different species assumes that commonalities reflect evolutionarily conserved programs and that differences reflect species or tissue responses to environmental conditions or developmental program staging. Apparently conflicting results have been published regarding whether organ-specific transcriptional patterns dominate over species-specific patterns, or vice versa, making it unclear to what extent the biology of a given organism can be extrapolated to another. These studies have in common that they treat the transcriptomes monolithically, implicitly ignoring that each gene is likely to have a specific pattern of transcriptional variation across organs and species. Results: We use linear models to quantify this pattern. We find a continuum in the spectrum of expression variation: the expression of some genes varies considerably across species and little across organs, and simply reflects evolutionary distance. At the other extreme are genes whose expression varies considerably across organs and little across species; these genes are much more likely to be associated with diseases than are genes whose expression varies predominantly across species. Conclusions: Whether transcriptomes, when considered globally, cluster preferentially according to one component or the other may not be a property of the transcriptomes, but rather a consequence of the dominant behavior of a subset of genes. Therefore, the values of the components of the variance of expression for each gene could become a useful resource when planning, interpreting, and extrapolating experimental data from mouse to humans.
dc.description.sponsorship This project was supported by awards U54HG007004 and U41HG007234 from the National Human Genome Research Institute of the National Institutes of Health, as well as from the Spanish Ministry of Economy and Competitiveness, Centro de Excelencia Severo Ochoa 2013–2017, SEV-2012-0208, and Programa de Ayudas FPI del Ministerio de Economia y Competitividad, BES-2012-055848. We would also like to acknowledge support from the European Research Council (ERC) under the European Union’s Seventh Framework Programme (FP7/2007-2013)/ERC grant agreement 294653.
dc.format.mimetype application/pdf
dc.language.iso eng
dc.publisher BioMed Central
dc.relation.ispartof Genome Biology. 2016;17:151
dc.rights © 2016 The Author(s). Open Access This article is distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made.
dc.rights.uri http://creativecommons.org/licenses/by/4.0/
dc.title Gene-specific patterns of expression variation across organs and species
dc.type info:eu-repo/semantics/article
dc.identifier.doi http://dx.doi.org/10.1186/s13059-016-1008-y
dc.subject.keyword RNA-seq
dc.subject.keyword Comparative transcriptomics
dc.subject.keyword Gene expression
dc.subject.keyword Clustering
dc.subject.keyword Vertebrate
dc.subject.keyword Organ
dc.subject.keyword Species
dc.relation.projectID info:eu-repo/grantAgreement/EC/FP7/294653
dc.relation.projectID info:eu-repo/grantAgreement/ES/3PN/BES2012-055848
dc.relation.projectID info:eu-repo/grantAgreement/ES/3PN/SEV2012-0208
dc.rights.accessRights info:eu-repo/semantics/openAccess
dc.type.version info:eu-repo/semantics/publishedVersion


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