Regionally specific occurrence of an active sodefrin variant in the red-bellied newt

Takeo Iwata, Yoko Ishizuka, Tomoaki Nakada, Fumiyo Toyoda, Kazutoshi Yamamoto, John M. Conlon, Sakae Kikuyama*

*この研究の対応する著者

    研究成果: Article査読

    2 被引用数 (Scopus)

    抄録

    Sodefrin (SIPSKDALLK) is a female-attracting pheromone that is secreted by the abdominal gland of the male red-bellied newt. We found that mRNA encoding a sodefrin variant, [Val8] sodefrin, is expressed exclusively in specimens captured in the Nara area of Japan. The synthetic peptide was tested for its activity. It attracted females from Nara, but not those from other regions, suggesting that there is a geographic variation in the pheromone molecule and in the responsiveness to the pheromone. Employing an abdominal gland extract and synthetic substrates, the possibility of generation of the putative pheromone, [Val8] sodefrin, from the precursor molecule was demonstrated.

    本文言語English
    ページ(範囲)351-353
    ページ数3
    ジャーナルAnnals of the New York Academy of Sciences
    1040
    DOI
    出版ステータスPublished - 2005

    ASJC Scopus subject areas

    • 生化学、遺伝学、分子生物学(全般)
    • 科学史および科学哲学

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