Enhanced Resistance to Viruses in Nicotiana edwardsonii ‘Columbia’ Is Dependent on Salicylic Acid, Correlates with High Glutathione Levels, and Extends to Plant-Pathogenic Bacteria... oleh Lóránt Király, Bernd Zechmann, Réka Albert, Renáta Bacsó, Ildikó Schwarczinger, Judit Kolozsváriné Nagy, Gábor Gullner, Yaser Mohamed Hafez, András Künstler