Poly(A)-tail-length-dependent surveillance of viral RNA by PABPC1 orchestrates broad-spectrum antiviral defense
Shimin Yang, Li Zhou, Xiaoya Huang, Shunhua Zhu, Weiyi Yu, Xiao Guo, J Liu, Jikai Deng, Yuzhen Zhang, Jiejie Liu, Qianyun Liu, Ming Guo, Wenjie Xiang, Xin Wang, Zhen Zhang, , Yu Chen
This study identifies PABPC1 as a host factor that selectively targets viral RNA with short poly(A) tails, leading to degradation and antiviral defense, and develops a synthetic therapeutic based on this mechanism.
bioRxiv · Jan 13, 2026 · PreprintMicrobiology