Dr. Umesh Desai and Dr. Martin Safo is Published in Emerging Microbes and Infections Journal December 15, 2017 Maintaining pH-dependent conformational flexibility of M1 is critical for efficient influenza A virus replication. Chiang MJ, Musayev FN, Kosikova M, Lin Z, Gao Y, Mosier PD, Althufairi B, Ye Z, Zhou Q, Desai UR, Xie H, Safo MK.