New prenylxanthones, polyketide hemiterpenoid pigments from the endophytic fungus Emericella sp. XL029 and their anti-agricultural pathogenic fungal and antibacterial activities

Four new prenylxanthones and five known compounds were isolated from the plant endophytic fungusEmericellasp. XL029. Biological assays revealed that the compounds showed selective inhibitory activity against bacterial and fungal strains.