1. THE EXTREMOLYTES ECTOINE AND HYDROXYECTOINE: IMPORT, SYNTHESIS AND GENETIC REGULATION IN RESPONSE TO OSMOTIC STRESS. Authors: ERHARD BREMER.2. SYNTHESIS, UPTAKE AND EXCRETION OF ECTOINES IN THE ALPHA-PROTEOBACTERIA HYPHOMONAS NEPTUNIUM AND NOVOSPHINGOBIUM SP. LH128. Authors: LAURA CZECH, SANDER SMITS, ERHARD BREMER.3. MAKING THE STRESS-PROTECTANT ECTOINE: STRUCTURAL AND BIOCHEMICAL INSIGHTS INTO THE ACETYLTRANSFERASE EctA. Authors: ALEXANDRA A. RICHTER, STEFANIE KOBUS, LAURA CZECH, ASTRID HÖPPNER, JAN ZARZYCKI, TOBIAS ERB, LUKAS LAUTERBACH, JEROEN S. DICKSCHAT, ERHARD BREMER, SANDER H.J. SMITS.4. CATABOLISM OF THE EXTREMOLYTES ECTOINE AND HYDROXYECTOINE – REGULATION AND MECHANISMS. Authors: LUCAS HERMANN, ERHARD BREMER.