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“什么基因变化让我们成为独特的人类?”是《科学》在建刊125周年之际提出的25个最重要的问题之一。比对人类与黑猩猩的基因组,编码序列的分歧率仅为1.23%,这无法解释它们之间的巨大性状差异。确实,在人工智能时代到来之际,我们对人的自然智能仍缺乏全面的认识。中科院数学院发现,人类独特的认知和智能,很大程度上可以通过全基因组顺式调控元件频率(CREF)矩阵构建的特征模块识别。从猿到人,第4级和第9级的CREF特征向量发生跳变。相比黑猩猩,人类特有的认知和智能包括:以突触可塑性、增强的髓鞘(白质)、Schaffer collateral–CA1突触为特征的长期记忆;基于特有耳蜗形态生成和发声行为构成的语言与音乐能力;视觉、观察和关联学习能力;探索行为;以及调节睡眠的GABA-B受体激活通路、血清素的合成和信号传导功能等。与渐变的、近中性的蛋白质序列进化相比,基因表达的順式调控进化既有渐变模式,也有跳变模式,研究结果近期作为封面文章发表于Quantitative Biology。
Publication:
WILEY Online Library First published: 03 January 2025 and 14 January 2025
https://onlinelibrary.wiley.com/doi/10.1002/qub2.88 和https://onlinelibrary.wiley.com/doi/10.1002/qub2.92
Author:
Xiaojie Li
Academy of Mathematics and Systems Science, Chinese Academy of Sciences, Beijing, China
School of Mathematical Sciences, University of the Chinese Academy of Sciences, Beijing, China
Contribution: Data curation, Formal analysis, Investigation, Software, Validation, Visualization, Writing - original draft, Writing - review & editing
Jianhui Shi
Academy of Mathematics and Systems Science, Chinese Academy of Sciences, Beijing, China
School of Mathematical Sciences, University of the Chinese Academy of Sciences, Beijing, China
Contribution: Data curation, Formal analysis, Investigation, Software, Validation, Visualization, Writing - original draft, Writing - review & editing
Lei M. Li
Academy of Mathematics and Systems Science, Chinese Academy of Sciences, Beijing, China
School of Mathematical Sciences, University of the Chinese Academy of Sciences, Beijing, China
address: lilei@amss.ac.cn
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