EPISODE · May 22, 2026 · 23 MIN
1012-千种生物三维基因组架构的进化轨迹
from 聊聊Sci
这项科学研究通过分析一千多种物种的Hi-C数据，揭示了基因组三维结构的演化历程。研究识别出两种核心的高级架构：反映染色体整体空间布局的“全局折叠”和体现染色质分区的“棋盘格”模式。研究发现，植物倾向于保持稳定的全局折叠，而动物则随着进化复杂度的提升，发展出更显著的棋盘格结构。虽然演化路径不同，但这两种生物界都趋向于利用空间组织来辅助基因调控。此外，该研究还观察到人类胚胎发育过程中存在从全局折叠向棋盘格模式的转变。这一成果验证了“结构决定功能”的生物学基本原理。References:Che Y, Bush S J, Lin H, et al. The evolution of high-order genome architecture revealed from 1,000 species[J]. Cell, 2026.前往小宇宙评论区与主播互动
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1012-千种生物三维基因组架构的进化轨迹
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