[1Pa] Social Behavior

[1Pa-124] A paralogous gene of the hpd gene, specifically expressed in the brain barrier system of medaka fish, is essential for social hierarchy formation and phenylalanine-tyrosine metabolism in medaka fish.

○Hikari Kaga³, Moe Yamashita^1,2, Ryoma Watanabe², Akiyoshi Hirayama^4,5, Akio Kanai^4,5, Tomoyoshi Soga^4,5, Teruhiro Okuyama⁶, Takafumi Katsumura^2,7, Kataaki Okubo⁸, Yasuo Uchida⁹, Satoshi Ansai^1,10, Hideaki Takeuchi^1,2 (1. Grad. Sch. Life Sci., Tohoku Univ., 2. Grad. Sch. Nat.Sci., Okayama Univ., 3. Dep. Sci., Tohoku Univ., 4. IAB, Keio Univ, 5. Grad. Sch. Media&Governance, Keio Univ, 6. IQB, The Univ. of Tokyo, 7. Dept. Anatomy, Kitasato Univ. Sch. Med., 8. Grad. Sch. of Agric. and Life Sci., The Univ. of Tokyo, 9. Grad. Sch. Biomed. Health Sci., Hiroshima Univ., 10. Grad. Sch. Agri. Kyoto Univ.)

Keywords:brain barrier system, hierarchy formation, metabolism, Dopamine