Periplasmic gatekeeping of phage DNA entry by rSAM enzyme-mediated maturation of an effector with His-X-Ser repeats
Mengling Li, Erchao Sun, Shuangshuang Wang, Yuxuan Huang, Haiguang Song, Sirong Kuang, Guoqi Li, Y. G. Liu, Ziwei Xia, Xueqi Zhang, Jiumin Han, Zhaoxu Dong, Venigalla Basaveswara Rao, Lvhui Sun, Pan Tao
This study identifies a bacterial antiphage system, HXS, that targets phage DNA entry through rSAM enzyme-mediated maturation of an effector with His-X-Ser repeats.
bioRxiv · Jan 6, 2026 · PreprintMicrobiology