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Academic Report: Spermine in semen of male sea lamprey acts as a sex pheromone

At the invitation of Institute of Animal Genetic Resources, School of Life Sciences, Nanjing Normal University, Professor Jia Liang, candidate in the Department of Fisheries and Wildlife at Michigan State University, came to our university for academic exchange on Sep 5. He gave an talk entitled “Spermine in semen of male sea lamprey acts as a sex pheromone " on the round meeting room of the School of Life Science at 15:00 p.m.

Prof. Jia’s doctoral research at Michigan State University is with Dr. Weiming Li where they investigate sea lamprey chemical communication and ligands interactions with olfactory receptors, especially in characterization of lamprey trace amine-associated receptors, resulting in a publication of part of his dissertation in PLOS BIOLOGY. He also is an appointed reviewer for Conservation Physiology in 2018. In this report Prof. Jia first introduced that semen is fundamental for sexual reproduction. And then presented sea lamprey seminal plasma contains high level of spermine that stimulates lamprey olfactory system and only attracts ovulatory females at a subpicomolar concentration.

At the end of the report everyone was enthusiastic to ask questions. Prof. Jia answered the questions of the teachers and students attending the meeting seriously and had a serious discussion with teachers and students on related issues. The meeting ended smoothly with warm applause.