Fecha de publicación: -- Fuente: WIPO "tomato" Provided are compositions and methods employing Defensin peptides and proteins, including folding variants of antimicrobial Defensin peptides and proteins (DEF_PFV) that exhibit favorable antifungal properties and a desirable resistance or susceptibility to protease cleavage, which antimicrobial DEF_PFV can be applied ex vivo directly to a plant, human, or animal or can be administered in vivo to a plant, human, or animal.