new serratia marcescens strain, prodigiosin and its use as immunosuppressant

摘要

There are disclosed a novel microorganism Serratia marcescens strain and a prodigiosin isolated from the microorganism. The prodigiosin is useful as an immunosuppressive in various fields, including the treatment of the diseases requiring immunosuppression and the basic research for the diseases, the transplantation of the organs or tissues, and the immune cells.