1364-病原体效应子组(eORFeome):跨病原体与通路的效应子功能系统发现 episode artwork

EPISODE · Jul 31, 2026 · 29 MIN

1364-病原体效应子组(eORFeome):跨病原体与通路的效应子功能系统发现

from 聊聊Sci

这项研究介绍了一个名为 eORFeome 的大型功能基因组学平台,其包含了来自病毒、细菌及寄生虫的约 4,000个病原体效应子开放阅读框。通过在人类细胞中进行高通量 lentiviral 筛选,研究人员系统地鉴定了这些效应子如何扰乱 NF-κB、p53、STING、凋亡及 MHC-I 展示等核心生物学通路。该研究不仅发现了数百种先前未知的效应子功能,还深入揭示了特定蛋白质的作用机制,例如 HHV6A U14 能够拮抗 p53 并促进肿瘤生长。此外,研究还确认了 HHV7 U21 具备降解 STING 以逃避先天免疫的双重功能,以及腺病毒 13.6K 蛋白对抗原呈递的抑制作用。这些成果为理解宿主-病原体相互作用提供了通用框架,并展示了病原体蛋白作为研究和重组人类细胞通路工具的巨大潜力。References:Pachano T, Leng H, Dugied G, et al. Systematic discovery of pathogen effector functions across human pathogens and pathways[J]. Cell, 2025.前往小宇宙评论区与主播互动

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1364-病原体效应子组(eORFeome):跨病原体与通路的效应子功能系统发现

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