900-Orthrus:进化与功能指导下的RNA基础模型 episode artwork

EPISODE · May 4, 2026 · 22 MIN

900-Orthrus:进化与功能指导下的RNA基础模型

from 聊聊Sci

这篇论文介绍了 Orthrus,一个基于 Mamba 架构的成熟 RNA 基础模型,旨在通过学习演化与功能特征来预测转录本的生物属性。该模型采用了对比学习预训练方法,通过最大化剪接异构体及跨物种同源序列之间的相似性,有效地捕捉了功能保守的基因组特征。研究表明,Orthrus 在预测 mRNA 半衰期、核糖体载量和亚细胞定位等任务中达到了顶尖水平。即便在标注数据极少的少样本场景下,它依然展现出卓越的性能,大幅领先于参数量更多的现有模型。此外,该模型能够通过潜在空间聚类区分不同异构体的功能差异,为理解复杂的 RNA 调控机制提供了强有力的计算工具。References:Fradkin P, Shi R I, Dalal T, et al. Orthrus: toward evolutionary and functional RNA foundation models[J]. Nature Methods, 2026: 1-11.前往小宇宙评论区与主播互动

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900-Orthrus:进化与功能指导下的RNA基础模型

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