The cytoplasm of Phytophthora palmivora is rich in soluble p-(1 + 3)-glucans of which two different types can be recognized. The glucans extracted from the mycelium are all neutral molecules. In the asexual reproductive stages (sporangia, zoospores, and cysts) neutral glucan is also present but the main component is a family of novel phosphoglucans. By ion exchange chromatography, five differen...