2. With INRA in France and Agrocampus we established a collaboration with the researcher Philippe Grappin with the purpose of recruiting a postdoctoral researcher who works between Agrocampus and CIB. This research aims to describe the immune response of Arabidopsis and Brassica through the transgenerational transmission of pathogens such as Alternaria brassicola, a disease that causes economic losses of importance in the cultivation of Colombian cruciferous.