271-ELLA: 亚细胞空间转录组基因表达模型

这篇文章介绍了一种名为 ELLA (subcellular expression localization analysis) 的统计框架，旨在对高分辨率空间转录组学数据中细胞内的亚细胞mRNA定位变异进行建模和检测。ELLA 利用过度分散的非齐次泊松过程 (NHPP) 来处理空间计数数据，并创建一个统一的细胞坐标系统，以适应不同的细胞形态。研究通过模拟和分析来自 Seq-Scope、Stereo-seq、seqFISH+ 和 MERFISH 等平台的多个真实数据集，证明了 ELLA 在识别具有独特亚细胞定位模式的基因方面的鲁棒性、高功效和可扩展性。主要发现包括核富集基因往往更长，并富含长非编码RNA和转录因子，而细胞质或膜富集基因则常编码核糖体蛋白或含有信号肽，这突出了 mRNA 定位与细胞功能之间的关键关联。References:* Wang J X, Zhou X....去小宇宙查看完整单集简介前往小宇宙评论区与主播互动

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