In situ structures of the Legionella Dot/Icm T4SS identify the DotA–IcmX complex as the gatekeeper for effector translocation - Jian Yue; Samira Heydari; Donghyun Park; David Chetrit; Shoichi Tachiyama; Wangbiao Guo; Jack M. Botting; Shenping Wu; Craig R. Roy; Jun Liu (Proceedings of the National Academy of Sciences, 2025)