Cited by 106Gut microbiota and healthGenetics and Neurodevelopmental DisordersRNA Research and Splicing

Social interaction-induced activation of RNA splicing in the amygdala of microbiome-deficient mice

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Stilling, Roman M, Moloney, Gerard M, Ryan, Feargal J, Hoban, Alan E, Bastiaanssen, Thomaz FS, Shanahan, Fergus, Clarke, Gerard, Claesson, Marcus J +2 more·2018·eLife

Abstract

Social behaviour is regulated by activity of host-associated microbiota across multiple species. However, the molecular mechanisms mediating this relationship remain elusive. We therefore determined the dynamic, stimulus-dependent transcriptional regulation of germ-free (GF) and GF mice colonised post weaning (exGF) in the amygdala, a brain region critically involved in regulating social interaction. In GF mice the dynamic response seen in controls was attenuated and replaced by a marked increase in expression of splicing factors and alternative exon usage in GF mice upon stimulation, which was even more pronounced in exGF mice. In conclusion, we demonstrate a molecular basis for how the host microbiome is crucial for a normal behavioural response during social interaction. Our data further suggest that social behaviour is correlated with the gene-expression response in the amygdala, established during neurodevelopment as a result of host-microbe interactions. Our findings may help toward understanding neurodevelopmental events leading to social behaviour dysregulation, such as those found in autism spectrum disorders (ASDs).

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  • In response to social interaction, there are profound alterations in the transcriptome and spliceosome in the amygdala of GF mice, which may contribute to the social deficits observed.

    “In response to social interaction, there are profound alterations in the transcriptome and spliceosome in the amygdala of GF mice, which may contribute to the social deficits observed (Stilling et al., 2018).”

    From The Microbiota-Gut-Brain Axis (2019) · cites this paper as Stilling et al., 2018

    The Results sections on gene expression and alternative splicing report a distinct transcriptomic response and markedly increased splicing in the amygdala of GF mice after social interaction; the Results also report reduced social interaction in GF mice. The Discussion, however, interprets increased splicing as a possible compensatory response that supports behavioural performance, rather than as a contributor to the social deficits. (LLM, conf=0.86)

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  • Germ-free animals show enhanced expression of gene splicing factors and alternative exon usage.

    “as well as enhanced expression of gene splicing factors and alternative exon usage (Stilling et al., 2018).”

    From The Microbiota-Gut-Brain Axis (2019) · cites this paper as Stilling et al., 2018

  • GF mice are unable to distinguish between a novel and a familiar conspecific, representing a cognitive deficit in the identification of social novelty.

    “Moreover, while a conventionally colonized mouse will prefer to spend more time interacting with a novel conspecific over a familiar one, GF mice are unable to distinguish between either animal, which represents a cognitive deficit in the identification of social novelty (Desbonnet et al., 2014;Stilling et al., 2018).”

    From The Microbiota-Gut-Brain Axis (2019) · cites this paper as Stilling et al., 2018

    The Methods (3-chamber social interaction test; page unavailable) describe a choice between one conspecific and a non-social object, not between a novel and a familiar conspecific. The Results report reduced social interaction in germ-free mice, but do not test whether they can identify social novelty (searched: familiar conspecific, social novelty preference). (LLM, conf=0.78)

    Experimental — accuracy not yet measured

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Authors
Stilling, R. M., Moloney, G. M., Ryan, F. J., Hoban, A. E., Bastiaanssen, T. F., Shanahan, F., Clarke, G., Claesson, M. J., Dinan, T. G., & Cryan, J. F.
Affiliations
University College Cork (IE)
Corresponding author
  • Stilling, Roman M
  • Cryan, John F
Venue
eLife
Published
2018-05-29
Volume
7
ISSN
2050-084X (ISSN-L)
OpenAlex
W2805802451
Cited by
106
References
90
Citations by year
2026: 3 · 2025: 5 · 2024: 8 · 2023: 10 · 2022: 13 · 2021: 21 · 2020: 26 · 2019: 15 · 2018: 3 · 2017: 1
FWCI
5.78
Type
journal article
Language
en
Open access
Locations
  • eLife (publishedVersion, cc-by)
  • Europe PMC (PubMed Central) (publishedVersion, cc-by)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • Arrow@dit (Dublin Institute of Technology) (acceptedVersion)
  • Cork Open Research Archive (University College Cork, Ireland) (submittedVersion, cc-by)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion)
  • GoeScholar The Publication Server of the Georg-August-Universität Göttingen (Georg-August-Universität Göttingen) (submittedVersion, cc-by)
Funders
  • Science Foundation Ireland (12/RC/2273)
  • Irish Research Council (GOIPD/2014/355)
  • Irish Health Board
  • National Alliance for Research on Schizophrenia and Depression (20771)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Gut microbiota and health
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Genetics › Genetics and Neurodevelopmental Disorders
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › RNA Research and Splicing
Keywords
host microbiome, germ-free mice, amygdala, RNA splicing, social interaction, social behavior, splicing factors, alternative exon usage, host-microbe interactions, brain development, autism spectrum disorder, gene expression regulation
MeSH terms
Autism Spectrum Disorder, Gastrointestinal Microbiome, RNA Splicing Factors, Amygdala, Animals, Animal Communication, Disease Models, Animal, Germ-Free Life, Male, Nerve Tissue Proteins, RNA Splicing, Weaning, Mice, Neurogenesis

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