Dr. Gertrudis Rojas Dorantes, a top scientist of the Cuban Centro de Inmunología Molecular (CIM), is visiting the Departments of Biotechnology and Medical Biotechnology at TUBS for the sixth time in 10 years, supported by the Humboldt Foundation and the German Academic Exchange Service (DAAD). This time, Dr. Maren Schubert, group leader in the host department, has joined the cooperation to support the work with her newly developed production method for difficult-to-manufacture biological substances in insect cells.