生命产毒,也会耐毒,魔高一尺,道高一丈。在西湖大学演化生态基因组实验室(甄莹实验室),毒的研究是一个方向。研究中的疑问接二连三,最终化作声声惊叹。问世间,毒为何物?今天我们不谈情,只聊毒。本文主角是三种昆虫——帝王蝶、螽(zhong)斯、萤火虫,都是甄莹实验室的研究对象。它们都和一类强心甾类固醇的天然毒素有关。只不过,温柔甜蜜常相似,毒魔狠怪各有方。专业名词强心甾类固醇(CTS)是一类具有甾体骨架(steroid core)的化合物,其基本结构为5β,14β-雄甾烷-3β,14-二醇(5β,14β-androstane-3β,14-diol)。这类化合物包括强心苷(Cardiac Glycosides)和强心苷元(Cardiac Aglycones)(即不含糖基的强心苷)。强心苷是强心甾类固醇与糖类(通常为1-4个糖基)通过糖苷键连接形成的化合物,例如地高辛(digoxin)和洋地黄毒苷(digitoxin)。审核 西湖大学演化生态基因组实验室 特聘研究员 甄莹主持 沈是音乐Theodore Kuchar,National Symphony Orchestra of Ukraine - Gadfly, Suite Op.97a:IntroductionValeri Polyansky,Moscow Philharmonic Orchestra,Alexander Ivashkin - Cello Concerto No.2 Op.126:Allegretto原稿https://mp.weixin.qq.com/s/T_EUcu8QMdGzOdYLi-Ux7Q西湖大学公共事务部 出品
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