Membrane Accumulation of Influenza a Virus Hemagglutinin Triggers Nuclear Export of the Viral Genome via Pkcα Mediated Activation of Erk Signaling

*) Institute for Medical Virology, Justus-Liebig-University, Frankfurter Str. 107, D-35392 Giessen, Germany †) Institute for Virology, Philipps University, Robert-Koch Str. 17, D-35037 Marburg, Germany #: present address: Paul-Ehrlich-Institute, Paul-Ehrlich Str. 51-59, D-63225 Langen, Germany ‡) Friedrich-Loeffler-Institute, Federal Research Institute for Animal Health, Institute for Immunology, Paul-Ehrlich Str. 28, D-72076 Tübingen, Germany §) Institute for Molecular Virology, Westfälische-Wilhelms-University, von-Esmarch Str. 56, D48149 Münster, Germany