Papyracillic acid is a fungal metabolite and a derivative of penicillic acid originally isolated from L. papyraceum and has antibiotic, antifungal, and phytotoxic activities.1,2 It is active against the bacteria X. campestris and B. subtilis and the fungus C. tropicalis in a disc assay when used at a concentration of 5 µg/disc.2 Papyracillic acid (1 mg/ml) induces necrotic lesion formation in a panel of 10 plants.
1.Shan, R., Anke, H., Stadler, M., et al.Papyracillic acid, a new penicillic acid analogue from the Ascomycete Lachnum papyraceumTetrahedron52(30)10249-10254(1996) 2.Evidente, A., Berestetskiy, A., Cimmino, A., et al.Papyracillic acid, a phytotoxic 1,6-dioxaspiro[4,4]nonene produced by Ascochyta agropyrina Var. nana, a potential mycoherbicide for Elytrigia repens biocontrolJ. Agric. Food Chem.57(23)11168-11173(2009)