| an asian origin of virulent aeromonas hydrophila responsible for disease epidemics in united states-farmed catfish. | since 2009, catfish farming in the southeastern united states has been severely impacted by a highly virulent and clonal population of aeromonas hydrophila causing motile aeromonas septicemia (mas) in catfish. the possible origin of this newly emerged highly virulent a. hydrophila strain is unknown. in this study, we show using whole-genome sequencing and comparative genomics that a. hydrophila isolates from diseased grass carp in china and catfish in the united states have highly similar genome ... | 2014 | 24895303 |