Non-genomic action of testosterone mediates avian vocal behavior

Yoko Yazaki, Kazutoshi Yamamoto, Toshiya Matsushima, Kiyoshi Aoki

    Research output: Contribution to journalArticlepeer-review

    4 Citations (Scopus)

    Abstract

    The nucleus intercollicularis (ICo) is a critical region for avian vocalization. Implantation of a testosterone pellet into a specific area in the midbrain of Japanese quail chicks rapidly alters their vocal behavior to crowing from distress calling. The speed with which this change occurs cannot be accounted for by the genomic action of testosterone. We found and purified testosterone binding proteins in the membrane of neurons within the ICo. We suggest that this protein mediates the action of testosterone on vocal behavior. This is the direct evidence that neural membrane protein mediates the action of steroid hormones.

    Original languageEnglish
    Pages (from-to)132-135
    Number of pages4
    JournalProceedings of the Japan Academy Series B: Physical and Biological Sciences
    Volume74
    Issue number6
    Publication statusPublished - 1998 Jun

    Keywords

    • Avian
    • Binding proteins
    • Non-genomic action
    • Testosterone
    • Vocal behavior

    ASJC Scopus subject areas

    • Agricultural and Biological Sciences(all)
    • General

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