1226-VIPerturb-seq: 可扩展的全基因组单细胞扰动筛选平台 episode artwork

EPISODE · Jul 4, 2026 · 19 MIN

1226-VIPerturb-seq: 可扩展的全基因组单细胞扰动筛选平台

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这份名为 VIPerturb-seq 的研究介绍了一种新型单细胞 CRISPR 筛选平台,旨在实现低成本、高通量的全基因组遗传扰动制图。该技术通过创新的双条形码系统与分割探针策略,仅需少量定制探针即可识别超过五万种基因引导 RNA,显著降低了传统测序的昂贵开销。由于该流程兼容固定细胞采样,研究人员能够在测序前对展现特定表型的“重要扰动”(VIP)细胞进行表型富集,从而精准捕捉关键基因功能。此外,结合组合索引技术,该方案将单细胞处理通量提升了 50 倍,且基因检测灵敏度更优。通过对全基因组库 GuEST-List 的应用,研究成功识别了波形蛋白的新型调节因子,证明了该平台在构建“虚拟细胞”模型及系统性探索基因变异功能方面的强大潜力。References:Bradu A, Blair J D, Grabski I N, et al. Genome-wide single-cell perturbation screens with VIPerturb-seq[J]. bioRxiv, 2026.前往小宇宙评论区与主播互动

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1226-VIPerturb-seq: 可扩展的全基因组单细胞扰动筛选平台

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