During the past two decades research on animal plant and microbial toxins has expanded rapidly and new and exciting information has appeared to clarify both the clinical and therapeutic aspects of intoxication and even more impor tant to help us understand more exactly the structure and the mode of action of toxins on a molecular basis. Animal plant and microbial toxins volume 2 chemistry pharmacology and immunology authors akira ohsaka kyozo hayashi yoshio sawai ryosuke murata masaru funatsu nobuo tamiya edition. Animal plant and microbial toxins volume 1 biochemistry ohsaka akira hayashi kyozo sawai yoshio amazoncomau books. Among the papers presented at this 5th international symposium on animal plant and microbial toxins held in san jose costa rica in aug 1976 was one by j kuc n lisker 829 835 on a toxin from phytophthora infestans which regulates phenolic and terpenoid metabolism in potato