The N-terminal region of pdm09/H1N1 PA synergizes with its cognate NP to enhance mammalian adaptation of avian-origin H9N2 canine influenza virus - Yefan Zhou; Pingping Wang; Shiqi Li; Fanyuan Sun; Min Zhu; Rang Wang; Shanshan Dong; Haodong Zhang; Yifeng Qin; Kang Ouyang; Yeshi Yin; Zuzhang Wei; et al. (Veterinary Microbiology, 2026)