Use of a Pooled Transposon Mutation Grid to Demonstrate Roles in Disease Development for Erwinia carotovora subsp. atroseptica Putative Type III Secreted Effector (DspE/A) and Help... oleh Maria C. Holeva, Kenneth S. Bell, Lizbeth J. Hyman, Anna O. Avrova, Stephen C. Whisson, Paul R. J. Birch, Ian K. Toth