Cited by 1,248Genomics and Phylogenetic StudiesChromosomal and Genetic VariationsEvolution and Genetic Dynamics

The evolution of gene expression levels in mammalian organs

Brawand, David, Soumillon, Magali, Necsulea, Anamaria, Julien, Philippe, Csárdi, Gábor, Harrigan, Patrick, Weier, Manuela, Liechti, Angélica +10 more·2011·Nature

Abstract

Changes in gene expression are thought to underlie many of the phenotypic differences between species. However, large-scale analyses of gene expression evolution were until recently prevented by technological limitations. Here we report the sequencing of polyadenylated RNA from six organs across ten species that represent all major mammalian lineages (placentals, marsupials and monotremes) and birds (the evolutionary outgroup), with the goal of understanding the dynamics of mammalian transcriptome evolution. We show that the rate of gene expression evolution varies among organs, lineages and chromosomes, owing to differences in selective pressures: transcriptome change was slow in nervous tissues and rapid in testes, slower in rodents than in apes and monotremes, and rapid for the X chromosome right after its formation. Although gene expression evolution in mammals was strongly shaped by purifying selection, we identify numerous potentially selectively driven expression switches, which occurred at different rates across lineages and tissues and which probably contributed to the specific organ biology of various mammals.

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Crossref · 10.1038/nature10532

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  • Previous reports show high constraints of brain gene expression variance across evolution.

    “This is in accordance with previous reports showing high constraints of brain gene expression variance across evolution”
  • The integrative modeling approach employs a Bayesian network to weigh and combine several complementary data types probabilistically.

    “This method uses a Bayesian network to probabilistically weigh and combine multiple types of data complementary to each other: bioinformatically predicted motif sites represented by MECS scores, protein-RNA interaction sites mapped by Rbfox HITS-CLIP, Rbfox1-dependent splicing identified by comparison of WT with Rbfox1 KO mouse brain using exon-junction microarrays (Gehman et al., 2011), Rbfox2-”

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Authors
Brawand, D., Soumillon, M., Necsulea, A., Julien, P., Csárdi, G., Harrigan, P., Weier, M., Liechti, A., Aximu-Petri, A., Kircher, M., Albert, F. W., Zeller, U., Khaitovich, P., Grützner, F., Bergmann, S., Nielsen, R., Pääbo, S., & Kaessmann, H.
Affiliations
  • University of Lausanne (CH)
  • SIB Swiss Institute of Bioinformatics (CH)
  • University of California, Berkeley (US)
  • Max Planck Society (DE)
  • Humboldt-Universität zu Berlin (DE)
  • The University of Adelaide (AU)
  • University of Copenhagen (DK)
Corresponding author
Kaessmann, Henrik
Venue
Nature
Published
2011-10
Volume
478
Issue
7369
Pages
343-348
ISSN
  • 0028-0836 (ISSN-L)
  • 1476-4687
OpenAlex
W1983275320
Cited by
1,248
References
57
Citations by year
2026: 49 · 2025: 68 · 2024: 84 · 2023: 57 · 2022: 93 · 2021: 85 · 2020: 88 · 2019: 79 · 2018: 96 · 2017: 85 · 2016: 104 · 2015: 113 · 2014: 98 · 2013: 80 · 2012: 67
FWCI
32.04
Type
journal article
Language
en
Open access
closed
Locations
  • Nature (publishedVersion)
  • PubMed (publishedVersion)
  • Research at the University of Copenhagen (University of Copenhagen) (publishedVersion)
  • HAL (submittedVersion)
  • RePEc: Research Papers in Economics (submittedVersion)
  • Adelaide Research & Scholarship (AR&S) (University of Adelaide) (submittedVersion)
  • Max Planck Institute for Plasma Physics (submittedVersion)
  • IRIS (submittedVersion)
  • MPG.PuRe (Max Planck Society) (submittedVersion)
  • SERVAL (Université de Lausanne) (submittedVersion)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Genomics and Phylogenetic Studies
  • Life Sciences › Agricultural and Biological Sciences › Plant Science › Chromosomal and Genetic Variations
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Genetics › Evolution and Genetic Dynamics
Keywords
gene expression evolution, purifying selection, X chromosome evolution, testis, nervous tissue, marsupials, monotremes, rodents, apes, regulatory mutations, organ-specific gene expression, comparative transcriptomics
MeSH terms
Animals, Humans, Phylogeny, RNA, Messenger, X Chromosome, Evolution, Molecular, Gene Expression Profiling, Principal Component Analysis

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