Phytotoxic and Antifungal Activity of (-)-Penienone Produced by Penicillium palitans (Ascomycota) Isolated from Deep Sea Sediments in the Southern Ocean, Maritime Antarctica.

Metabolites isolated from Penicillium palitans, obtained from deep sea sediments in the maritime Antarctica, were investigated for phytotoxic and antifungal activities. The fungus was submitted to solid state fermentation, and its crude extract was produced. Chromatographic separations of the P.