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Sex separation induces differences in the olfactory sensory receptor repertoires of male and female mice

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Listed:
  • Carl van der Linden

    (University of Wyoming)

  • Susanne Jakob

    (Harvard University
    Harvard University)

  • Pooja Gupta

    (University of Wyoming)

  • Catherine Dulac

    (Harvard University)

  • Stephen W. Santoro

    (University of Wyoming)

Abstract

Within the mammalian olfactory sensory epithelium, experience-dependent changes in the rate of neuronal turnover can alter the relative abundance of neurons expressing specific chemoreceptors. Here we investigate how the mouse olfactory sensory receptor repertoire changes as a function of exposure to odors emitted from members of the opposite sex, which are highly complex and sexually dimorphic. Upon housing mice either sex-separated or sex-combined until six months of age, we find that sex-separated mice exhibit significantly more numerous differentially expressed genes within their olfactory epithelia. A subset of these chemoreceptors exhibit altered expression frequencies following both sex-separation and olfactory deprivation. We show that several of these receptors detect either male- or female-specific odors. We conclude that the distinct odor experiences of sex-separated male and female mice induce sex-specific differences in the abundance of neurons that detect sexually dimorphic odors.

Suggested Citation

  • Carl van der Linden & Susanne Jakob & Pooja Gupta & Catherine Dulac & Stephen W. Santoro, 2018. "Sex separation induces differences in the olfactory sensory receptor repertoires of male and female mice," Nature Communications, Nature, vol. 9(1), pages 1-15, December.
    • Handle: RePEc:nat:natcom:v:9:y:2018:i:1:d:10.1038_s41467-018-07120-1
    DOI: 10.1038/s41467-018-07120-1
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    Cited by:

    1. Predrag Jovanovic & Allan-Hermann Pool & Nancy Morones & Yidan Wang & Edward Novinbakht & Nareg Keshishian & Kaitlyn Jang & Yuki Oka & Celine E. Riera, 2023. "A sex-specific thermogenic neurocircuit induced by predator smell recruiting cholecystokinin neurons in the dorsomedial hypothalamus," Nature Communications, Nature, vol. 14(1), pages 1-19, December.
    2. Benjamin Padilla-Morales & Alin P. Acuña-Alonzo & Huseyin Kilili & Atahualpa Castillo-Morales & Karina Díaz-Barba & Kathryn H. Maher & Laurie Fabian & Evangelos Mourkas & Tamás Székely & Martin-Alejan, 2024. "Sexual size dimorphism in mammals is associated with changes in the size of gene families related to brain development," Nature Communications, Nature, vol. 15(1), pages 1-11, December.

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